| Financial Information for Tracking Stock Groups (Tables)
 | 12 Months Ended | 
| Dec. 31, 2023 | 
|---|
| Financial Information for Tracking Stock Groups | Ìý | 
| Condensed Balance Sheets | BALANCE SHEET INFORMATION December 31, 2023 (unaudited) ​ 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | Âé¶¹×îгöÆ· | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM  | ​ | Formula One | ​ | Live | ​ | Inter-Group | ​ | Consolidated | ​ |  
| ​ | ÌýÌýÌýÌý | Group | ​ | Group | ​ | Group | ​ | Eliminations | ​ | Âé¶¹×îгöÆ· | ÌýÌýÌýÌý |  |  |  
| ​ | ​ | amountsÌýinÌýmillions | ​ |  
| Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Current assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Cash and cash equivalents | ​ | $ |  306 | ​ |  1,408 | ​ |  305 | ​ |  — | ​ |  2,019 | Ìý |  
| Trade and other receivables, net | ​ | Ìý |  709 | ​ |  123 | ​ |  — | ​ |  — | ​ |  832 | Ìý |  
| Other current assets | ​ | Ìý |  346 | ​ |  180 | ​ |  — | ​ |  — | ​ |  526 | Ìý |  
| Total current assets | ​ | Ìý |  1,361 | ​ |  1,711 | ​ |  305 | ​ |  — | ​ |  3,377 | Ìý |  
| Investments in affiliates, accounted for using the equity method (note 1) | ​ | Ìý |  715 | ​ |  41 | ​ |  333 | ​ |  — | ​ |  1,089 | Ìý |  
| ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Property and equipment, at cost | ​ | Ìý |  3,105 | ​ |  973 | ​ |  — | ​ |  — | ​ |  4,078 | Ìý |  
| Accumulated depreciation | ​ | Ìý |  (1,860) | ​ |  (135) | ​ |  — | ​ |  — | ​ |  (1,995) | Ìý |  
| ​ | ​ | Ìý |  1,245 | ​ |  838 | ​ |  — | ​ |  — | ​ |  2,083 | Ìý |  
| ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Intangible assets not subject to amortization | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Goodwill | ​ | Ìý |  15,209 | ​ |  3,956 | ​ |  — | ​ |  — | ​ |  19,165 | Ìý |  
| FCC licenses | ​ | Ìý |  8,600 | ​ |  — | ​ |  — | ​ |  — | ​ |  8,600 | Ìý |  
| Other | ​ | Ìý |  1,242 | ​ |  — | ​ |  — | ​ |  — | ​ |  1,242 | Ìý |  
| ​ | ​ | Ìý |  25,051 | ​ |  3,956 | ​ |  — | ​ |  — | ​ |  29,007 | Ìý |  
| Intangible assets subject to amortization, net | ​ | Ìý |  1,014 | ​ |  2,858 | ​ |  — | ​ |  — | ​ |  3,872 | Ìý |  
| Other assets | ​ | Ìý |  515 | ​ |  863 | ​ |  524 | ​ |  (162) | ​ |  1,740 | Ìý |  
| Total assets | ​ | $ |  29,901 | ​ |  10,267 | ​ |  1,162 | ​ |  (162) | ​ |  41,168 | Ìý |  
| ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Liabilities and Equity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Current liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Intergroup payable (receivable) (note 4) | ​ | $ |  62 | ​ |  (63) | ​ |  1 | ​ |  — | ​ |  — | ​ |  
| Accounts payable and accrued liabilities | ​ | ​ |  1,474 | ​ |  535 | Ìý |  1 | ​ |  — | ​ |  2,010 | ​ |  
| Current portion of debt (noteÌý1) | ​ | Ìý |  1,074 | ​ |  36 | Ìý |  70 | ​ |  — | ​ |  1,180 | ​ |  
| Deferred revenue | ​ | Ìý |  1,195 | ​ |  247 | Ìý |  — | ​ |  — | ​ |  1,442 | ​ |  
| Other current liabilities | ​ | Ìý |  71 | ​ |  32 | Ìý |  8 | ​ |  — | ​ |  111 | ​ |  
| Total current liabilities | ​ | Ìý |  3,876 | ​ |  787 | Ìý |  80 | ​ |  — | ​ |  4,743 | ​ |  
| Long-term debt (note 1) | ​ | Ìý |  10,063 | ​ |  2,870 | Ìý |  1,247 | ​ |  — | ​ |  14,180 | ​ |  
| Deferred income tax liabilities (note 3) | ​ | Ìý |  2,245 | ​ |  3 | Ìý |  — | ​ |  (162) | ​ |  2,086 | ​ |  
| Other liabilities | ​ | Ìý |  526 | ​ |  188 | Ìý |  — | ​ |  — | ​ |  714 | ​ |  
| Total liabilities | ​ | Ìý |  16,710 | ​ |  3,848 | Ìý |  1,327 | ​ |  (162) | ​ |  21,723 | ​ |  
| Equity / Attributed net assets | ​ | Ìý |  10,165 | ​ |  6,419 | Ìý |  (188) | ​ |  — | ​ |  16,396 | ​ |  
| Noncontrolling interests in equity of subsidiaries | ​ | Ìý |  3,026 | ​ |  — | Ìý |  23 | ​ |  — | ​ |  3,049 | ​ |  
| Total liabilities and equity | ​ | $ |  29,901 | ​ |  10,267 | Ìý |  1,162 | ​ |  (162) | ​ |  41,168 | ​ |  ​ BALANCE SHEET INFORMATION December 31, 2022 (unaudited) 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM  | ​ | Formula One | ​ | Braves | ​ | Inter-Group | ​ | Consolidated | ​ |  
| ​ | ÌýÌýÌýÌý | Group | ​ | Group | ​ | Group | ​ | Eliminations | ​ | Âé¶¹×îгöÆ· | ÌýÌýÌýÌý |  |  |  
| ​ | ​ | amountsÌýinÌýmillions | ​ |  
| Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Current assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Cash and cash equivalents | ​ | $ |  362 | ​ |  1,733 | ​ |  151 | ​ |  — | ​ |  2,246 | Ìý |  
| Trade and other receivables, net | ​ | Ìý |  669 | ​ |  123 | ​ |  45 | ​ |  — | ​ |  837 | Ìý |  
| Other current assets | ​ | Ìý |  523 | ​ |  167 | ​ |  78 | ​ |  — | ​ |  768 | Ìý |  
| Total current assets | ​ | Ìý |  1,554 | ​ |  2,023 | ​ |  274 | ​ |  — | ​ |  3,851 | Ìý |  
| Intergroup interests (note 1) | ​ | Ìý |  282 | ​ |  219 | ​ |  — | ​ |  (501) | ​ |  — | Ìý |  
| Investments in affiliates, accounted for using the equity method (noteÌý1) | ​ | ​ |  823 | ​ |  34 | ​ |  95 | ​ |  — | ​ |  952 | ​ |  
| ​ | ​ | Ìý | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Ìý |  
| Property and equipment, at cost | ​ | Ìý |  2,957 | ​ |  516 | ​ |  1,008 | ​ |  — | ​ |  4,481 | Ìý |  
| Accumulated depreciation | ​ | Ìý |  (1,840) | ​ |  (108) | ​ |  (278) | ​ |  — | ​ |  (2,226) | Ìý |  
| ​ | ​ | ​ |  1,117 | ​ |  408 | ​ |  730 | ​ |  — | ​ |  2,255 | ​ |  
| ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Intangible assets not subject to amortization | ​ | Ìý | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Ìý |  
| Goodwill | ​ | Ìý |  15,209 | ​ |  3,956 | ​ |  176 | ​ |  — | ​ |  19,341 | Ìý |  
| FCC licenses | ​ | Ìý |  8,600 | ​ |  — | ​ |  — | ​ |  — | ​ |  8,600 | Ìý |  
| Other | ​ | Ìý |  1,242 | ​ |  — | ​ |  124 | ​ |  — | ​ |  1,366 | Ìý |  
| ​ | ​ | Ìý |  25,051 | ​ |  3,956 | ​ |  300 | ​ |  — | ​ |  29,307 | Ìý |  
| Intangible assets subject to amortization, net | ​ | Ìý |  1,101 | ​ |  3,163 | ​ |  24 | ​ |  — | ​ |  4,288 | Ìý |  
| Other assets | ​ | ​ |  551 | ​ |  1,213 | ​ |  54 | ​ |  (7) | ​ |  1,811 | Ìý |  
| Total assets | ​ | $ |  30,479 | ​ |  11,016 | ​ |  1,477 | ​ |  (508) | ​ |  42,464 | ​ |  
| ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Liabilities and Equity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Current liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Intergroup payable (receivable) (note 4) | ​ | $ |  7 | ​ |  — | ​ |  (7) | ​ |  — | ​ |  — | ​ |  
| Accounts payable and accrued liabilities | ​ | Ìý |  1,405 | ​ |  396 | Ìý |  55 | ​ |  — | ​ |  1,856 | ​ |  
| Current portion of debt (noteÌý1) | ​ | Ìý |  1,543 | ​ |  61 | Ìý |  75 | ​ |  — | ​ |  1,679 | ​ |  
| Deferred revenue | ​ | Ìý |  1,321 | ​ |  347 | Ìý |  105 | ​ |  — | ​ |  1,773 | ​ |  
| Other current liabilities | ​ | Ìý |  68 | ​ |  29 | Ìý |  5 | ​ |  — | ​ |  102 | ​ |  
| Total current liabilities | ​ | Ìý |  4,344 | ​ |  833 | Ìý |  233 | ​ |  — | ​ |  5,410 | ​ |  
| Long-term debt (note 1) | ​ | Ìý |  11,600 | ​ |  2,886 | Ìý |  467 | ​ |  — | ​ |  14,953 | ​ |  
| Deferred income tax liabilities (note 3) | ​ | Ìý |  2,054 | ​ |  — | Ìý |  54 | ​ |  (7) | ​ |  2,101 | ​ |  
| Redeemable intergroup interests (note 1) | ​ | Ìý |  — | ​ |  223 | ​ |  278 | ​ |  (501) | ​ |  — | ​ |  
| Other liabilities | ​ | Ìý |  584 | ​ |  139 | Ìý |  151 | ​ |  — | ​ |  874 | ​ |  
| Total liabilities | ​ | Ìý |  18,582 | ​ |  4,081 | Ìý |  1,183 | ​ |  (508) | ​ |  23,338 | ​ |  
| Equity / Attributed net assets | ​ | ​ |  8,759 | ​ |  6,910 | Ìý |  294 | ​ |  — | ​ |  15,963 | ​ |  
| Noncontrolling interests in equity of subsidiaries | ​ | ​ |  3,138 | ​ |  25 | Ìý |  — | ​ |  — | ​ |  3,163 | ​ |  
| Total liabilities and equity | ​ | $ |  30,479 | ​ |  11,016 | Ìý |  1,477 | ​ |  (508) | ​ |  42,464 | ​ |  ​ | 
| Condensed Statement of Operations | STATEMENT OF OPERATIONS INFORMATION December 31, 2023 (unaudited) ​ 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | Âé¶¹×îгöÆ· | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM  | ​ | Formula One | ​ | Live | ​ | Braves | ​ | Consolidated | ​ |  
| ​ | ​ | Group | ​ | Group | ​ | Group | ​ | Group | ​ | Âé¶¹×îгöÆ· | ​ |  |  |  
| ​ | ​ | amounts in millions | ​ |  
| Revenue: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Sirius XM Holdings revenue | ​ | $ |  8,953 | ​ |  — | ​ |  — | Ìý |  — | ​ |  8,953 | ​ |  
| Formula 1 revenue | ​ | ​ |  — | ​ |  3,222 | ​ |  — | ​ |  — | ​ |  3,222 | ​ |  
| Other revenue | ​ | Ìý |  — | ​ |  — | ​ |  — | Ìý |  350 | ​ |  350 | ​ |  
| Total revenue | ​ | Ìý |  8,953 | ​ |  3,222 | ​ |  — | Ìý |  350 | ​ |  12,525 | ​ |  
| Operating costs and expenses, including stock-based compensation (note 2): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Cost of Sirius XM Holdings services (exclusive of depreciation shown separately below): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Revenue share and royalties | ​ | Ìý |  2,895 | ​ |  — | ​ |  — | Ìý |  — | ​ |  2,895 | ​ |  
| Programming and content | ​ | Ìý |  618 | ​ |  — | ​ |  — | Ìý |  — | ​ |  618 | ​ |  
| Customer service and billing | ​ | Ìý |  476 | ​ |  — | ​ |  — | Ìý |  — | ​ |  476 | ​ |  
| Other | ​ | Ìý |  220 | ​ |  — | ​ |  — | Ìý |  — | ​ |  220 | ​ |  
| Cost of Formula 1 revenue (exclusive of depreciation shown separately below) | ​ | ​ |  — | ​ |  2,240 | ​ |  — | Ìý |  — | ​ |  2,240 | ​ |  
| Subscriber acquisition costs | ​ | Ìý |  359 | ​ |  — | ​ |  — | Ìý |  — | ​ |  359 | ​ |  
| Other operating expenses | ​ | Ìý |  322 | ​ |  — | ​ |  — | Ìý |  274 | ​ |  596 | ​ |  
| Selling, general and administrative | ​ | Ìý |  1,534 | ​ |  316 | ​ |  11 | Ìý |  69 | ​ |  1,930 | ​ |  
| Depreciation and amortization | ​ | Ìý |  624 | ​ |  369 | ​ |  — | Ìý |  37 | ​ |  1,030 | ​ |  
| Impairment, restructuring and acquisition costs, net of recoveries | ​ | ​ |  66 | ​ |  — | ​ |  — | Ìý |  1 | ​ |  67 | ​ |  
| Litigation settlements, net of recoveries | ​ | ​ | 31 | ​ |  — | ​ |  — | Ìý |  — | ​ |  31 | ​ |  
| ​ | ​ | Ìý |  7,145 | ​ |  2,925 | ​ |  11 | Ìý |  381 | ​ |  10,462 | ​ |  
| Operating income (loss) | ​ | Ìý |  1,808 | ​ |  297 | ​ |  (11) | Ìý |  (31) | ​ |  2,063 | ​ |  
| Other income (expense): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Interest expense | ​ | Ìý |  (538) | ​ |  (214) | ​ |  (10) | Ìý |  (20) | ​ |  (782) | ​ |  
| Share of earnings (losses) of affiliates, net | ​ | Ìý |  108 | ​ |  (4) | ​ |  22 | Ìý |  12 | ​ |  138 | ​ |  
| Unrealized gain/(loss) on intergroup interests | ​ | ​ |  68 | ​ |  15 | ​ |  — | ​ |  (83) | ​ |  — | ​ |  
| Realized and unrealized gains (losses) on financial instruments, net | ​ | Ìý |  (215) | ​ |  42 | ​ |  (153) | Ìý |  3 | ​ |  (323) | ​ |  
| Gains (losses) on dilution of investment in affiliate | ​ | ​ |  (6) | ​ |  — | ​ |  2 | Ìý |  — | ​ |  (4) | ​ |  
| Other, net | ​ | Ìý |  43 | ​ |  75 | ​ |  (30) | Ìý |  5 | ​ |  93 | ​ |  
| ​ | ​ | Ìý |  (540) | ​ |  (86) | ​ |  (169) | Ìý |  (83) | ​ |  (878) | ​ |  
| Earnings (loss) before income taxes | ​ | Ìý |  1,268 | ​ |  211 | ​ |  (180) | Ìý |  (114) | ​ |  1,185 | ​ |  
| Income tax (expense) benefit (note 3) | ​ | Ìý |  (237) | ​ |  (27) | ​ |  38 | Ìý |  3 | ​ |  (223) | ​ |  
| Net earnings (loss) | ​ | Ìý |  1,031 | ​ |  184 | ​ |  (142) | Ìý |  (111) | ​ |  962 | ​ |  
| Less net earnings (loss) attributable to the noncontrolling interests | ​ | Ìý |  202 | ​ |  (1) | ​ |  — | Ìý |  — | ​ |  201 | ​ |  
| Net earnings (loss) attributable to Âé¶¹×îгöÆ· stockholders | ​ | $ |  829 | ​ |  185 | ​ |  (142) | Ìý |  (111) | ​ |  761 | ​ |  ​ STATEMENT OF OPERATIONS INFORMATION December 31, 2022  (unaudited) ​ 
|  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM | ​ | Formula One | ​ | Braves | ​ | Consolidated | ​ |  
| ​ | ​ | Group | ​ | Group | ​ | Group | ​ | Âé¶¹×îгöÆ· | ​ |  |  |  
| ​ | ​ | amounts in millions | ​ |  
| Revenue: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Sirius XM Holdings revenue | ​ | $ |  9,003 | ​ |  — | Ìý |  — | ​ |  9,003 | ​ |  
| Formula 1 revenue | ​ | ​ |  — | ​ |  2,573 | ​ |  — | ​ |  2,573 | ​ |  
| Other revenue | ​ | Ìý |  — | ​ |  — | Ìý |  588 | ​ |  588 | ​ |  
| Total revenue | ​ | Ìý |  9,003 | ​ |  2,573 | Ìý |  588 | ​ |  12,164 | ​ |  
| Operating costs and expenses, including stock-based compensation (note 2): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Cost of Sirius XM Holdings services (exclusive of depreciation shown separately below): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Revenue share and royalties | ​ | Ìý |  2,802 | ​ |  — | Ìý |  — | ​ |  2,802 | ​ |  
| Programming and content | ​ | Ìý |  604 | ​ |  — | Ìý |  — | ​ |  604 | ​ |  
| Customer service and billing | ​ | Ìý |  497 | ​ |  — | Ìý |  — | ​ |  497 | ​ |  
| Other | ​ | Ìý |  227 | ​ |  — | Ìý |  — | ​ |  227 | ​ |  
| Cost of Formula 1 revenue (exclusive of depreciation shown separately below) | ​ | ​ |  — | ​ |  1,750 | Ìý |  — | ​ |  1,750 | ​ |  
| Subscriber acquisition costs | ​ | Ìý |  352 | ​ |  — | Ìý |  — | ​ |  352 | ​ |  
| Other operating expenses | ​ | Ìý |  285 | ​ |  — | Ìý |  434 | ​ |  719 | ​ |  
| Selling, general and administrative | ​ | Ìý |  1,638 | ​ |  288 | Ìý |  105 | ​ |  2,031 | ​ |  
| Depreciation and amortization | ​ | Ìý |  611 | ​ |  362 | Ìý |  71 | ​ |  1,044 | ​ |  
| Impairment, restructuring and acquisition costs, net of recoveries | ​ | ​ |  68 | ​ |  — | Ìý |  6 | ​ |  74 | ​ |  
| ​ | ​ | Ìý |  7,084 | ​ |  2,400 | Ìý |  616 | ​ |  10,100 | ​ |  
| Operating income (loss) | ​ | Ìý |  1,919 | ​ |  173 | Ìý |  (28) | ​ |  2,064 | ​ |  
| Other income (expense): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Interest expense | ​ | Ìý |  (511) | ​ |  (149) | Ìý |  (29) | ​ |  (689) | ​ |  
| Share of earnings (losses) of affiliates, net | ​ | Ìý |  67 | ​ |  — | Ìý |  32 | ​ |  99 | ​ |  
| Unrealized gain/(loss) on intergroup interests | ​ | ​ |  (19) | ​ |  54 | ​ |  (35) | ​ |  — | ​ |  
| Realized and unrealized gains (losses) on financial instruments, net | ​ | Ìý |  471 | ​ |  115 | Ìý |  13 | ​ |  599 | ​ |  
| Gains (losses) on dilution of investment in affiliate | ​ | ​ |  10 | ​ |  — | Ìý |  — | ​ |  10 | ​ |  
| Other, net | ​ | Ìý |  32 | ​ |  58 | Ìý |  20 | ​ |  110 | ​ |  
| ​ | ​ | Ìý |  50 | ​ |  78 | Ìý |  1 | ​ |  129 | ​ |  
| Earnings (loss) before income taxes | ​ | Ìý |  1,969 | ​ |  251 | Ìý |  (27) | ​ |  2,193 | ​ |  
| Income tax (expense) benefit (note 3) | ​ | Ìý |  (467) | ​ |  311 | Ìý |  (8) | ​ |  (164) | ​ |  
| Net earnings (loss) | ​ | Ìý |  1,502 | ​ |  562 | Ìý |  (35) | ​ |  2,029 | ​ |  
| Less net earnings (loss) attributable to the noncontrolling interests | ​ | Ìý |  210 | ​ |  17 | Ìý |  — | ​ |  227 | ​ |  
| Less net earnings (loss) attributable to the redeemable noncontrolling interests | ​ | ​ |  — | ​ |  (13) | Ìý |  — | ​ |  (13) | ​ |  
| Net earnings (loss) attributable to Âé¶¹×îгöÆ· stockholders | ​ | $ |  1,292 | ​ |  558 | Ìý |  (35) | ​ |  1,815 | ​ |  ​ STATEMENT OF OPERATIONS INFORMATION December 31, 2021  (unaudited) ​ 
|  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM | ​ | Formula One | ​ | Braves | ​ | Consolidated | ​ |  
| ​ | ​ | Group | ​ | Group | ​ | Group | ​ | Âé¶¹×îгöÆ· | ​ |  |  |  
| ​ | ​ | amounts in millions | ​ |  
| Revenue: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Sirius XM Holdings revenue | ​ | $ |  8,696 | ​ |  — | Ìý |  — | ​ |  8,696 | ​ |  
| Formula 1 revenue | ​ | ​ |  — | ​ |  2,136 | ​ |  — | ​ |  2,136 | ​ |  
| Other revenue | ​ | Ìý |  — | ​ |  — | Ìý |  568 | ​ |  568 | ​ |  
| Total revenue | ​ | Ìý |  8,696 | ​ |  2,136 | Ìý |  568 | ​ |  11,400 | ​ |  
| Operating costs and expenses, including stock-based compensation (note 2): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Cost of Sirius XM Holdings services (exclusive of depreciation shown separately below): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Revenue share and royalties | ​ | Ìý |  2,672 | ​ |  — | Ìý |  — | ​ |  2,672 | ​ |  
| Programming and content | ​ | Ìý |  559 | ​ |  — | Ìý |  — | ​ |  559 | ​ |  
| Customer service and billing | ​ | Ìý |  501 | ​ |  — | Ìý |  — | ​ |  501 | ​ |  
| Other | ​ | Ìý |  236 | ​ |  — | Ìý |  — | ​ |  236 | ​ |  
| Cost of Formula 1 revenue (exclusive of depreciation shown separately below) | ​ | ​ |  — | ​ |  1,489 | Ìý |  — | ​ |  1,489 | ​ |  
| Subscriber acquisition costs | ​ | Ìý |  325 | ​ |  — | Ìý |  — | ​ |  325 | ​ |  
| Other operating expenses | ​ | Ìý |  265 | ​ |  — | Ìý |  377 | ​ |  642 | ​ |  
| Selling, general and administrative | ​ | Ìý |  1,598 | ​ |  210 | Ìý |  99 | ​ |  1,907 | ​ |  
| Depreciation and amortization | ​ | Ìý |  603 | ​ |  397 | Ìý |  72 | ​ |  1,072 | ​ |  
| Impairment, restructuring and acquisition costs, net of recoveries | ​ | ​ |  20 | ​ |  — | Ìý |  — | ​ |  20 | ​ |  
| ​ | ​ | Ìý |  6,779 | ​ |  2,096 | Ìý |  548 | ​ |  9,423 | ​ |  
| Operating income (loss) | ​ | Ìý |  1,917 | ​ |  40 | Ìý |  20 | ​ |  1,977 | ​ |  
| Other income (expense): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Interest expense | ​ | Ìý |  (495) | ​ |  (123) | Ìý |  (24) | ​ |  (642) | ​ |  
| Share of earnings (losses) of affiliates, net | ​ | Ìý |  (253) | ​ |  23 | Ìý |  30 | ​ |  (200) | ​ |  
| Unrealized gain/(loss) on inter-group interests | ​ | ​ |  121 | ​ |  (90) | ​ |  (31) | ​ |  — | ​ |  
| Realized and unrealized gains (losses) on financial instruments, net | ​ | Ìý |  (433) | ​ |  (21) | Ìý |  3 | ​ |  (451) | ​ |  
| Gains (losses) on dilution of investment in affiliate | ​ | ​ |  152 | ​ |  — | ​ |  — | ​ |  152 | ​ |  
| Other, net | ​ | Ìý |  (60) | ​ |  14 | Ìý |  (1) | ​ |  (47) | ​ |  
| ​ | ​ | Ìý |  (968) | ​ |  (197) | Ìý |  (23) | ​ |  (1,188) | ​ |  
| Earnings (loss) before income taxes | ​ | Ìý |  949 | ​ |  (157) | Ìý |  (3) | ​ |  789 | ​ |  
| Income tax (expense) benefit (note 3) | ​ | Ìý |  (74) | ​ |  37 | Ìý |  (8) | ​ |  (45) | ​ |  
| Net earnings (loss) | ​ | Ìý |  875 | ​ |  (120) | Ìý |  (11) | ​ |  744 | ​ |  
| Less net earnings (loss) attributable to the noncontrolling interests | ​ | Ìý |  276 | ​ |  16 | Ìý |  — | ​ |  292 | ​ |  
| Less net earnings (loss) attributable to the redeemable noncontrolling interests | ​ | ​ |  — | ​ |  54 | ​ |  — | ​ |  54 | ​ |  
| Net earnings (loss) attributable to Âé¶¹×îгöÆ· stockholders | ​ | $ |  599 | ​ |  (190) | Ìý |  (11) | ​ |  398 | ​ |  | 
| Condensed Statement of Cash Flows | STATEMENT OF CASH FLOWS INFORMATION December 31, 2023 (unaudited) ​ 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | Âé¶¹×îгöÆ· | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM  | ​ | Formula One | ​ | Live | ​ | Braves | ​ | Consolidated | ​ |  
| ​ | ​ | Group | ​ | Group | ​ | Group | ​ | Group | ​ | Âé¶¹×îгöÆ· | ​ |  |  |  
| ​ | ​ | amountsÌýinÌýmillions | ​ |  
| Cash flows from operating activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Net earnings (loss) | ​ | $ |  1,031 | ​ |  184 | ​ |  (142) | Ìý |  (111) | ​ |  962 | ​ |  
| Adjustments to reconcile net earnings to net cash provided by operating activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | . | ​ | ​ | ​ |  
| Depreciation and amortization | ​ | Ìý |  624 | ​ |  369 | ​ |  — | Ìý |  37 | ​ |  1,030 | ​ |  
| Stock-based compensation | ​ | Ìý |  203 | ​ |  20 | ​ |  2 | Ìý |  7 | ​ |  232 | ​ |  
| Non-cash impairment and restructuring costs | ​ | ​ |  26 | ​ |  — | ​ |  — | ​ |  — | ​ |  26 | ​ |  
| Share of (earnings) loss of affiliates, net | ​ | Ìý |  (108) | ​ |  4 | ​ |  (22) | Ìý |  (12) | ​ |  (138) | ​ |  
| Unrealized (gains) losses on intergroup interests, net | ​ | ​ |  (68) | ​ |  (15) | ​ |  — | ​ |  83 | ​ |  — | ​ |  
| Realized and unrealized (gains) losses on financial instruments, net | ​ | Ìý |  215 | ​ |  (42) | ​ |  153 | Ìý |  (3) | ​ |  323 | ​ |  
| Noncash interest expense | ​ | ​ |  14 | ​ |  6 | ​ |  (1) | ​ |  1 | ​ |  20 | ​ |  
| Losses (gains) on dilution of investment in affiliate | ​ | ​ |  6 | ​ |  — | ​ |  (2) | ​ |  — | ​ |  4 | ​ |  
| Loss (gain) on early extinguishment of debt | ​ | ​ |  (30) | ​ |  (1) | ​ |  35 | ​ |  — | ​ |  4 | ​ |  
| Deferred income tax expense (benefit) | ​ | Ìý |  36 | ​ |  18 | ​ |  (37) | Ìý |  (3) | ​ |  14 | ​ |  
| Intergroup tax allocation | ​ | ​ |  177 | ​ |  (176) | ​ |  — | ​ |  (1) | ​ |  — | ​ |  
| Intergroup tax (payments) receipts | ​ | ​ |  (121) | ​ |  122 | ​ |  — | ​ |  (1) | ​ |  — | ​ |  
| Other charges (credits), net | ​ | Ìý |  2 | ​ |  (2) | ​ |  1 | Ìý |  3 | ​ |  4 | ​ |  
| Changes in operating assets and liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Current and other assets | ​ | Ìý |  (45) | ​ |  46 | ​ |  (5) | Ìý |  (34) | ​ |  (38) | ​ |  
| Payables and other liabilities | ​ | Ìý |  (136) | ​ |  86 | ​ |  5 | Ìý |  66 | ​ |  21 | ​ |  
| Net cash provided (used) by operating activities | ​ | Ìý |  1,826 | ​ |  619 | ​ |  (13) | Ìý |  32 | ​ |  2,464 | ​ |  
| Cash flows from investing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Cash proceeds from dispositions of investments | ​ | ​ |  — | ​ |  110 | ​ |  1 | ​ |  — | ​ |  111 | ​ |  
| Investments in equity method affiliates and debt and equity securities | ​ | Ìý |  (50) | ​ |  (173) | ​ |  (3) | Ìý |  — | ​ |  (226) | ​ |  
| Repayment of loans and other cash receipts from equity method affiliates and debt and equity securities | ​ | ​ |  1 | ​ |  — | ​ |  — | ​ |  — | ​ |  1 | ​ |  
| Capital expended for property and equipment, including internal-use software and website development | ​ | Ìý |  (650) | ​ |  (426) | ​ |  — | Ìý |  (35) | ​ |  (1,111) | ​ |  
| Other investing activities, net | ​ | Ìý |  3 | ​ |  (21) | ​ |  3 | Ìý |  — | ​ |  (15) | ​ |  
| Net cash provided (used) by investing activities | ​ | Ìý |  (696) | ​ |  (510) | ​ |  1 | Ìý |  (35) | ​ |  (1,240) | ​ |  
| Cash flows from financing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Borrowings of debt | ​ | Ìý |  2,681 | ​ |  — | ​ |  1,135 | Ìý |  30 | ​ |  3,846 | ​ |  
| Repayments of debt | ​ | Ìý |  (3,782) | ​ |  (70) | ​ |  (918) | Ìý |  (20) | ​ |  (4,790) | ​ |  
| Settlement of intergroup interests | ​ | ​ |  273 | ​ |  (273) | ​ |  — | Ìý |  — | ​ |  — | ​ |  
| Subsidiary shares repurchased by subsidiary | ​ | Ìý |  (274) | ​ |  — | ​ |  — | Ìý |  — | ​ |  (274) | ​ |  
| Cash dividends paid by subsidiary | ​ | ​ |  (65) | ​ |  — | ​ |  — | Ìý |  — | ​ |  (65) | ​ |  
| Taxes paid in lieu of shares issued for stock-based compensation | ​ | Ìý |  (64) | ​ |  (9) | ​ |  — | Ìý |  (1) | ​ |  (74) | ​ |  
| Atlanta Braves Holdings, Inc. Split-Off | ​ | ​ |  — | ​ |  — | ​ |  — | Ìý |  (188) | ​ |  (188) | ​ |  
| Reclassification | ​ | ​ |  — | ​ |  (100) | ​ |  100 | Ìý |  — | ​ |  — | ​ |  
| Other financing activities, net | ​ | ​ |  46 | ​ |  17 | ​ |  — | ​ |  9 | ​ |  72 | ​ |  
| Net cash provided (used) by financing activities | ​ | Ìý |  (1,185) | ​ |  (435) | ​ |  317 | Ìý |  (170) | ​ |  (1,473) | ​ |  
| Effect of foreign exchange rates on cash, cash equivalents and restricted cash | ​ | ​ |  — | ​ |  1 | ​ |  — | Ìý |  — | ​ |  1 | ​ |  
| Net increase (decrease) in cash, cash equivalents and restricted cash | ​ | Ìý |  (55) | ​ |  (325) | ​ |  305 | Ìý |  (173) | ​ |  (248) | ​ |  
| Cash, cash equivalents and restricted cash at beginning of period | ​ | Ìý |  370 | ​ |  1,733 | ​ | NA | Ìý |  173 | ​ |  2,276 | ​ |  
| Cash, cash equivalents and restricted cash at end of period | ​ | $ |  315 | ​ |  1,408 | ​ |  305 | Ìý |  — | ​ |  2,028 | ​ |  ​ STATEMENT OF CASH FLOWS INFORMATION December 31, 2022  (unaudited) ​ 
|  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM  | ​ | Formula One | ​ | Braves | ​ | Consolidated | ​ |  
| ​ | ​ | Group | ​ | Group | ​ | Group | ​ | Âé¶¹×îгöÆ· | ​ |  |  |  
| ​ | ​ | amountsÌýinÌýmillions | ​ | ​ | ​ |  
| Cash flows from operating activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Net earnings (loss) | ​ | $ |  1,502 | ​ |  562 | Ìý |  (35) | ​ |  2,029 | ​ |  
| Adjustments to reconcile net earnings to net cash provided by operating activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Depreciation and amortization | ​ | Ìý |  611 | ​ |  362 | Ìý |  71 | ​ |  1,044 | ​ |  
| Stock-based compensation | ​ | Ìý |  209 | ​ |  16 | Ìý |  12 | ​ |  237 | ​ |  
| Non-cash impairment and restructuring costs | ​ | ​ |  65 | ​ |  — | ​ |  5 | ​ |  70 | ​ |  
| Share of (earnings) loss of affiliates, net | ​ | Ìý |  (67) | ​ |  — | Ìý |  (32) | ​ |  (99) | ​ |  
| Unrealized (gains) losses on intergroup interests, net | ​ | ​ |  19 | ​ |  (54) | ​ |  35 | ​ |  — | ​ |  
| Realized and unrealized (gains) losses on financial instruments, net | ​ | Ìý |  (471) | ​ |  (115) | Ìý |  (13) | ​ |  (599) | ​ |  
| Noncash interest expense  | ​ | ​ |  19 | ​ |  5 | ​ |  2 | ​ |  26 | ​ |  
| Losses (gains) on dilution of investment in affiliate | ​ | ​ |  (10) | ​ |  — | ​ |  — | ​ |  (10) | ​ |  
| Loss (gain) on early extinguishment of debt | ​ | ​ |  (21) | ​ |  (14) | ​ |  — | ​ |  (35) | ​ |  
| Deferred income tax expense (benefit) | ​ | Ìý |  329 | ​ |  (306) | Ìý |  (10) | ​ |  13 | ​ |  
| Intergroup tax allocation | ​ | ​ |  91 | ​ |  (109) | ​ |  18 | ​ |  — | ​ |  
| Intergroup tax (payments) receipts | ​ | ​ |  (80) | ​ |  72 | ​ |  8 | ​ |  — | ​ |  
| Other charges (credits), net | ​ | Ìý |  10 | ​ |  (1) | Ìý |  1 | ​ |  10 | ​ |  
| Changes in operating assets and liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Current and other assets | ​ | Ìý |  80 | ​ |  (87) | Ìý |  (10) | ​ |  (17) | ​ |  
| Payables and other liabilities | ​ | Ìý |  (327) | ​ |  203 | Ìý |  1 | ​ |  (123) | ​ |  
| Net cash provided (used) by operating activities | ​ | Ìý |  1,959 | ​ |  534 | Ìý |  53 | ​ |  2,546 | ​ |  
| Cash flows from investing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Subsidiary initial public offering proceeds returned from (invested in) trust account | ​ | ​ |  — | ​ |  579 | ​ |  — | ​ |  579 | ​ |  
| Cash proceeds from dispositions of investments | ​ | Ìý |  66 | ​ |  53 | ​ |  48 | ​ |  167 | ​ |  
| Cash (paid) received for acquisitions, net of cash acquired | ​ | ​ |  (136) | ​ |  — | ​ |  — | ​ |  (136) | ​ |  
| Investments in equity method affiliates and debt and equity securities | ​ | ​ |  (1) | ​ |  (52) | Ìý |  (5) | ​ |  (58) | ​ |  
| Return of investment in equity method affiliates | ​ | ​ |  1 | ​ |  9 | ​ |  28 | ​ |  38 | ​ |  
| Repayment of loans and other cash receipts from equity method affiliates and debt and equity securities | ​ | ​ |  2 | ​ |  — | ​ |  — | ​ |  2 | ​ |  
| Capital expended for property and equipment, including internal-use software and website development | ​ | Ìý |  (426) | ​ |  (291) | Ìý |  (18) | ​ |  (735) | ​ |  
| Other investing activities, net | ​ | Ìý |  1 | ​ |  96 | Ìý |  — | ​ |  97 | ​ |  
| Net cash provided (used) by investing activities | ​ | Ìý |  (493) | ​ |  394 | Ìý |  53 | ​ |  (46) | ​ |  
| Cash flows from financing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Borrowings of debt | ​ | Ìý |  3,150 | ​ |  2,884 | Ìý |  155 | ​ |  6,189 | ​ |  
| Repayments of debt | ​ | Ìý |  (3,553) | ​ |  (3,564) | Ìý |  (309) | ​ |  (7,426) | ​ |  
| Repayment of initial public offering proceeds to subsidiary shareholders | ​ | ​ |  — | ​ |  (579) | ​ |  — | ​ |  (579) | ​ |  
| Settlement of intergroup interests | ​ | ​ |  78 | ​ |  (64) | Ìý |  (14) | ​ |  — | ​ |  
| Âé¶¹×îгöÆ· stock repurchases | ​ | ​ |  (358) | ​ |  (37) | Ìý |  — | ​ |  (395) | ​ |  
| Subsidiary shares repurchased by subsidiary | ​ | ​ |  (647) | ​ |  — | Ìý |  — | ​ |  (647) | ​ |  
| Cash dividends paid by subsidiary | ​ | ​ |  (249) | ​ |  — | Ìý |  — | ​ |  (249) | ​ |  
| Taxes paid in lieu of shares issued for stock-based compensation | ​ | Ìý |  (147) | ​ |  24 | Ìý |  — | ​ |  (123) | ​ |  
| Other financing activities, net | ​ | ​ |  24 | ​ |  67 | ​ |  (9) | ​ |  82 | ​ |  
| Net cash provided (used) by financing activities | ​ | Ìý |  (1,702) | ​ |  (1,269) | Ìý |  (177) | ​ |  (3,148) | ​ |  
| Net increase (decrease) in cash, cash equivalents and restricted cash | ​ | Ìý |  (236) | ​ |  (341) | Ìý |  (71) | ​ |  (648) | ​ |  
| Cash, cash equivalents and restricted cash at beginning of period | ​ | Ìý |  606 | ​ |  2,074 | Ìý |  244 | ​ |  2,924 | ​ |  
| Cash, cash equivalents and restricted cash at end of period | ​ | $ |  370 | ​ |  1,733 | Ìý |  173 | ​ |  2,276 | ​ |  ​ STATEMENT OF CASH FLOWS INFORMATION December 31, 2021  (unaudited) ​ 
|  |  |  |  |  |  |  |  |  |  |  |  
| ​ | ​ | ​ | Attributed (note 1) | ​ | ​ | ​ |  
| ​ | ​ | Âé¶¹×îгöÆ·  | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| ​ | ​ | SiriusXM  | ​ | Formula One | ​ | Braves | ​ | Consolidated | ​ |  
| ​ | ​ | Group | ​ | Group | ​ | Group | ​ | Âé¶¹×îгöÆ· | ​ |  |  |  
| ​ | ​ | amountsÌýinÌýmillions | ​ |  
| Cash flows from operating activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Net earnings (loss) | ​ | $ |  875 | ​ |  (120) | Ìý |  (11) | ​ |  744 | ​ |  
| Adjustments to reconcile net earnings to net cash provided by operating activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Depreciation and amortization | ​ | Ìý |  603 | ​ |  397 | Ìý |  72 | ​ |  1,072 | ​ |  
| Stock-based compensation | ​ | Ìý |  215 | ​ |  29 | Ìý |  12 | ​ |  256 | ​ |  
| Non-cash impairment and restructuring costs | ​ | ​ |  24 | ​ |  — | ​ |  — | ​ |  24 | ​ |  
| Share of (earnings) loss of affiliates, net | ​ | Ìý |  253 | ​ |  (23) | Ìý |  (30) | ​ |  200 | ​ |  
| Unrealized (gains) losses on intergroup interests, net | ​ | ​ |  (121) | ​ |  90 | ​ |  31 | ​ |  — | ​ |  
| Realized and unrealized (gains) losses on financial instruments, net | ​ | Ìý |  433 | ​ |  21 | Ìý |  (3) | ​ |  451 | ​ |  
| Noncash interest expense  | ​ | ​ |  15 | ​ |  1 | ​ |  — | ​ |  16 | ​ |  
| Losses (gains) on dilution of investment in affiliate | ​ | ​ |  (152) | ​ |  — | ​ |  — | ​ |  (152) | ​ |  
| Loss (gain) on early extinguishment of debt | ​ | ​ |  83 | ​ |  (3) | ​ |  — | ​ |  80 | ​ |  
| Deferred income tax expense (benefit) | ​ | Ìý |  (12) | ​ |  (41) | Ìý |  12 | ​ |  (41) | ​ |  
| Intergroup tax allocation | ​ | ​ |  9 | ​ |  (5) | ​ |  (4) | ​ |  — | ​ |  
| Intergroup tax (payments) receipts | ​ | ​ |  (2) | ​ |  (5) | ​ |  7 | ​ |  — | ​ |  
| Other charges (credits), net | ​ | Ìý |  (15) | ​ |  (3) | Ìý |  20 | ​ |  2 | ​ |  
| Changes in operating assets and liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Current and other assets | ​ | Ìý |  (59) | ​ |  (2) | Ìý |  (43) | ​ |  (104) | ​ |  
| Payables and other liabilities | ​ | Ìý |  (255) | ​ |  145 | Ìý |  (1) | ​ |  (111) | ​ |  
| Net cash provided (used) by operating activities | ​ | Ìý |  1,894 | ​ |  481 | Ìý |  62 | ​ |  2,437 | ​ |  
| Cash flows from investing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Subsidiary initial public offering proceeds returned from (invested in) trust account | ​ | ​ |  — | ​ |  (575) | ​ |  — | ​ |  (575) | ​ |  
| Cash proceeds from dispositions of investments | ​ | Ìý |  177 | ​ |  204 | ​ |  2 | ​ |  383 | ​ |  
| Cash (paid) received for acquisitions, net of cash acquired | ​ | ​ |  (14) | ​ |  — | ​ |  — | ​ |  (14) | ​ |  
| Investments in equity method affiliates and debt and equity securities | ​ | ​ |  (73) | ​ |  (179) | Ìý |  — | ​ |  (252) | ​ |  
| Return of investment in equity method affiliates | ​ | ​ |  1 | ​ |  39 | ​ |  — | ​ |  40 | ​ |  
| Repayment of loans and other cash receipts from equity method affiliates and debt and equity securities | ​ | ​ |  12 | ​ |  — | ​ |  — | ​ |  12 | ​ |  
| Capital expended for property and equipment, including internal-use software and website development | ​ | Ìý |  (388) | ​ |  (17) | Ìý |  (35) | ​ |  (440) | ​ |  
| Proceeds from insurance recoveries | ​ | ​ |  225 | ​ |  — | ​ |  — | ​ |  225 | ​ |  
| Other investing activities, net | ​ | Ìý |  (4) | ​ |  (72) | Ìý |  8 | ​ |  (68) | ​ |  
| Net cash provided (used) by investing activities | ​ | Ìý |  (64) | ​ |  (600) | Ìý |  (25) | ​ |  (689) | ​ |  
| Cash flows from financing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  
| Borrowings of debt | ​ | Ìý |  6,294 | ​ |  — | Ìý |  117 | ​ |  6,411 | ​ |  
| Repayments of debt | ​ | Ìý |  (5,872) | ​ |  (322) | Ìý |  (93) | ​ |  (6,287) | ​ |  
| Âé¶¹×îгöÆ· stock repurchases | ​ | ​ |  (500) | ​ |  (55) | ​ |  — | ​ |  (555) | ​ |  
| Subsidiary shares repurchased by subsidiary | ​ | Ìý |  (1,523) | ​ |  — | Ìý |  — | ​ |  (1,523) | ​ |  
| Proceeds from initial public offering of subsidiary | ​ | ​ |  — | ​ |  575 | ​ |  — | ​ |  575 | ​ |  
| Cash dividends paid by subsidiary | ​ | ​ |  (58) | ​ |  — | ​ |  — | ​ |  (58) | ​ |  
| Taxes paid in lieu of shares issued for stock-based compensation | ​ | Ìý |  (106) | ​ |  (48) | Ìý |  — | ​ |  (154) | ​ |  
| Settlement of intergroup call spread | ​ | ​ |  (384) | ​ |  384 | ​ |  — | ​ |  — | ​ |  
| Other financing activities, net | ​ | ​ |  (83) | ​ |  (22) | ​ |  (2) | ​ |  (107) | ​ |  
| Net cash provided (used) by financing activities | ​ | Ìý |  (2,232) | ​ |  512 | Ìý |  22 | ​ |  (1,698) | ​ |  
| Effect of foreign exchange rates on cash, cash equivalents and restricted cash | ​ | ​ |  — | ​ |  (3) | ​ |  — | ​ |  (3) | ​ |  
| Net increase (decrease) in cash, cash equivalents and restricted cash | ​ | Ìý |  (402) | ​ |  390 | Ìý |  59 | ​ |  47 | ​ |  
| Cash, cash equivalents and restricted cash at beginning of period | ​ | Ìý |  1,008 | ​ |  1,684 | Ìý |  185 | ​ |  2,877 | ​ |  
| Cash, cash equivalents and restricted cash at end of period | ​ | $ |  606 | ​ |  2,074 | Ìý |  244 | ​ |  2,924 | ​ |  ​ |