Debt - Senior Notes (Details) - USD ($) $ in Millions	1 Months Ended			12 Months Ended
	Oct. 31, 2023	Jan. 31, 2023	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Repayments of senior notes				$ 1,100	$ 750
Senior notes | 3.85% senior notes due October 2023
Debt Instrument [Line Items]
Repayments of senior notes	$ 700
Debt instrument, interest rate (as a percent)	3.85%
Senior notes | 2.85% senior notes due January 2023
Debt Instrument [Line Items]
Repayments of senior notes		$ 400
Debt instrument, interest rate (as a percent)		2.85%
Senior notes | 3.65% senior notes due June 2022
Debt Instrument [Line Items]
Repayments of senior notes			$ 750
Debt instrument, interest rate (as a percent)			3.65%
Consolidated finance subsidiary co-issuer
Debt Instrument [Line Items]
Consolidated subsidiary, ownership interest held by the parent (as a percent)				100.00%