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Debt - Convertible Senior Notes due in 2024 and 2026 Narrative (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 09, 2019 | Sep. 09, 2019 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |
Net proceeds from issuance |  |  | $ 0 | $ 0 | $ 553,000,000
Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  | 1,672,000,000 |  |
0.75% convertible senior notes due 2024 | Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 73,000,000 | $ 600,000,000 | $ 608,000,000 |  |
Net proceeds from issuance | 72,000,000 | 592,000,000 |  |  |
Payments for Derivative Instrument, Financing Activities | $ 9,000,000 | 75,000,000 |  |  |
Debt instrument, interest rate stated percentage | 0.75% |  | 0.75% |  |
1.375% convertible senior notes due 2026 | Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  | 500,000,000 | $ 499,000,000 |  |
Net proceeds from issuance |  | 494,000,000 |  |  |
Payments for Derivative Instrument, Financing Activities |  | $ 75,000,000 |  |  |
Debt instrument, interest rate stated percentage |  |  | 1.375% |  |

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