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Summary of Significant Accounting Policies - Narrative (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2023 USD ($) | Dec. 31, 2023 USD ($) segment reportingUnit | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Number of operating segments | segment |  | 1 |  |  |
Number of reportable segments | segment |  | 1 |  |  |
Cumulative translation gain |  | $ 5,000,000 | $ 13,000,000 |  |
Net realized and unrealized gains (losses) on foreign currency transactions and balances |  | $ (48,000,000) | 29,000,000 | $ (5,000,000) |
Number of reporting units | reportingUnit |  | 1 |  |  |
Goodwill impairment |  | $ 0 | 0 |  |
Intangible asset impairment |  | 0 | 0 |  |
Impairment of long-lived assets |  |  | $ 91,000,000 | 113,000,000 |
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | Restructuring charges |  |
Restructuring charges |  | $ 0 | $ 89,000,000 | 113,000,000 |
Number of days, long-term stay, minimum |  | 28 days |  |  |
Advance notice period required for cancellation |  | 30 days |  |  |
Bad debt expense |  | $ 60,000,000 | 49,000,000 | 27,000,000 |
Advertising expense |  | $ 953,000,000 | 786,000,000 | 542,000,000 |
Award contractual term |  | 10 years |  |  |
Overstatement (understatement) in cash flows from operating activities |  | $ 3,884,000,000 | 3,430,000,000 | 2,313,000,000 |
Overstatement (understatement) in cash flows from financing activities |  | (2,430,000,000) | (689,000,000) | 1,308,000,000 |
Taxes paid related to net share settlement of equity awards | $ 567,000,000 | $ 1,224,000,000 | $ 607,000,000 | 177,000,000 |
Domestic and Foreign Tax Authority |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Taxes paid related to net share settlement of equity awards |  |  |  |  | $ 1,700,000,000
Revision of Prior Period, Adjustment |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Overstatement (understatement) in cash flows from operating activities |  |  |  | (123,000,000) |
Overstatement (understatement) in cash flows from financing activities |  |  |  | 123,000,000 |
Revision of Prior Period, Adjustment | Foreign Tax Authority |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Taxes paid related to net share settlement of equity awards |  |  |  | $ 123,000,000 |
Minimum |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Intangible assets, estimated useful life |  | 1 year |  |  |
Maximum |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Intangible assets, estimated useful life |  | 10 years |  |  |

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