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Debt - Schedule of Convertible Senior Notes (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Debt Instrument [Line Items] |  |  |
Interest Expense | $ 9,000,000 | $ 8,000,000 |
Convertible senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amount | 1,672,000,000 |  |
Unamortized Debt Issuance Costs | 11,000,000 |  | $ 12,000,000
Fair Value | 1,860,000,000 |  | 1,664,000,000
Contractual Coupon Interest | 7,000,000 | 7,000,000 |
Amortization of Debt Issuance Costs | 1,000,000 |  |
Interest Expense | 8,000,000 | 7,000,000 |
Convertible senior notes | 2026 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amount | $ 499,000,000 |  |
Stated Interest Rate | 1.375% |  |
Effective Interest Rate | 1.57% |  |
Unamortized Debt Issuance Costs | $ 4,000,000 |  | 4,000,000
Fair Value | 590,000,000 |  | 504,000,000
Contractual Coupon Interest | 2,000,000 | 2,000,000 |
Amortization of Debt Issuance Costs | 0 |  |
Interest Expense | 2,000,000 | 2,000,000 |
Convertible senior notes | 2.75% convertible senior notes due 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amount | $ 565,000,000 |  |
Stated Interest Rate | 2.75% |  |
Effective Interest Rate | 3.20% |  |
Unamortized Debt Issuance Costs | $ 5,000,000 |  | 5,000,000
Fair Value | 571,000,000 |  | 531,000,000
Contractual Coupon Interest | 4,000,000 | 4,000,000 |
Amortization of Debt Issuance Costs | 0 |  |
Interest Expense | 4,000,000 | 4,000,000 |
Convertible senior notes | 0.75% convertible senior notes due 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amount | $ 608,000,000 |  |
Stated Interest Rate | 0.75% |  |
Effective Interest Rate | 1.02% |  |
Unamortized Debt Issuance Costs | $ 2,000,000 |  | 3,000,000
Fair Value | 699,000,000 |  | $ 629,000,000
Contractual Coupon Interest | 1,000,000 | 1,000,000 |
Amortization of Debt Issuance Costs | 1,000,000 |  |
Interest Expense | $ 2,000,000 | $ 1,000,000 |

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