Long-Term Debt - Debt Repurchases (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Nov. 30, 2024
Debt Instrument [Line Items]
Gain on extinguishment of debt	$ 54	$ 119	$ 0	$ 8
Repurchased face amount		219
Notes and Debt Instruments
Debt Instrument [Line Items]
Gain on extinguishment of debt		$ 34
Senior Notes | 4.250% Senior Notes Due 2028
Debt Instrument [Line Items]
Stated interest rate		4.25%			4.25%
Repurchased face amount		$ 34
Senior Notes | 3.625% Senior Notes Due 2029
Debt Instrument [Line Items]
Stated interest rate		3.625%
Repurchased face amount		$ 81
Senior Notes | 3.750% Senior Notes Due 2029
Debt Instrument [Line Items]
Stated interest rate		3.75%
Repurchased face amount		$ 86
Senior Notes | 3.875% Senior Notes Due 2029
Debt Instrument [Line Items]
Stated interest rate		3.875%
Repurchased face amount		$ 18