Debt and Other Financing - Schedule of Outstanding Principal and Carrying Value (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument
Long-term debt, total	$ 3,212,000,000	$ 3,209,000,000
Short-term debt	117,000,000	117,000,000
Long-term debt	3,095,000,000	3,092,000,000
Convertible Debt | 2024 Notes
Debt Instrument
Principal Amount	117,000,000	117,000,000
Unamortized Debt Discount	0	0
Long-term debt, total	117,000,000	117,000,000
Convertible Debt | 2025 Notes
Debt Instrument
Principal Amount	754,000,000	754,000,000
Unamortized Debt Discount	(3,000,000)	(3,000,000)
Long-term debt, total	751,000,000	751,000,000
Convertible Debt | 2026 Notes
Debt Instrument
Principal Amount	949,000,000	949,000,000
Unamortized Debt Discount	(5,000,000)	(5,000,000)
Long-term debt, total	944,000,000	944,000,000
Convertible Debt | 2027 Notes
Debt Instrument
Principal Amount	690,000,000	690,000,000
Unamortized Debt Discount	(8,000,000)	(10,000,000)
Long-term debt, total	682,000,000	680,000,000
Convertible Debt | 2028 Notes
Debt Instrument
Principal Amount	690,000,000	690,000,000
Unamortized Debt Discount	(10,000,000)	(11,000,000)
Long-term debt, total	680,000,000	679,000,000
Convertible Debt | 2025 Accreting Notes
Debt Instrument
Principal Amount	38,000,000	38,000,000
Unamortized Debt Discount	0	0
Long-term debt, total	38,000,000	38,000,000
Revolving Credit Facility
Debt Instrument
Long-term debt, total	$ 0	$ 0