Debt and Other Financing - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) day	Jun. 30, 2023 USD ($)
Convertible Debt
Debt Instrument
Contractual interest expense	$ 16,000,000	$ 14,000,000	$ 31,000,000	$ 25,000,000
Debt discount amortization	$ 2,000,000	$ 2,000,000	$ 5,000,000	$ 3,000,000
2025 Accreting Notes
Debt Instrument
Effective interest rate, percentage (in percent)	2.70%		2.70%
2025 Accreting Notes | Convertible Debt
Debt Instrument
Interest rate, stated percentage (in percent)	2.50%		2.50%
Trading days (whether or not consecutively) | day			20
Trading days (consecutive) | day			30
Percentage of conversion stock price (in percent)			276.00%
Principal amount of Notes			$ 1,000
Redemption price, percentage of principal amount to be redeemed (in percent)			100.00%
Debt, fair value	$ 28,000,000		$ 28,000,000
Converted value exceeded the principal value			$ 0
Non-Accreting Notes | Convertible Debt
Debt Instrument
Trading days (whether or not consecutively) | day			20
Trading days (consecutive) | day			30
Percentage of conversion stock price (in percent)			130.00%
During number of business day period (in days)			5 days
Consecutive trading day period (after any)			10 days
Principal amount of Notes			$ 1,000
Measurement period percentage (less than) (in percent)			98.00%
2024 Notes | Convertible Debt
Debt Instrument
Interest rate, stated percentage (in percent)	1.125%		1.125%
Effective interest rate, percentage (in percent)	1.50%		1.50%
Debt, fair value	$ 115,000,000		$ 115,000,000
Converted value exceeded the principal value			$ 0
2025 Notes | Convertible Debt
Debt Instrument
Interest rate, stated percentage (in percent)	0.625%		0.625%
Effective interest rate, percentage (in percent)	0.90%		0.90%
Debt, fair value	$ 705,000,000		$ 705,000,000
Converted value exceeded the principal value			$ 0
2026 Notes | Convertible Debt
Debt Instrument
Interest rate, stated percentage (in percent)	1.00%		1.00%
Effective interest rate, percentage (in percent)	1.20%		1.20%
Debt, fair value	$ 855,000,000		$ 855,000,000
Converted value exceeded the principal value			$ 0
2027 Notes | Convertible Debt
Debt Instrument
Interest rate, stated percentage (in percent)	3.25%		3.25%
Effective interest rate, percentage (in percent)	3.60%		3.60%
Debt, fair value	$ 793,000,000		$ 793,000,000
Converted value exceeded the principal value			$ 0
2028 Notes | Convertible Debt
Debt Instrument
Interest rate, stated percentage (in percent)	3.50%		3.50%
Effective interest rate, percentage (in percent)	3.80%		3.80%
Debt, fair value	$ 1,000,000,000.0		$ 1,000,000,000.0
Converted value exceeded the principal value			$ 104,000,000
Revolving Credit Facility | Senior Secured Revolving Credit Facility
Debt Instrument
Debt instrument, term			5 years
Maximum borrowing capacity	600,000,000		$ 600,000,000
Letters of credit outstanding, amount	$ 69,000,000		$ 69,000,000