Debt - Commercial Paper Program (Details) - Commercial Paper Program - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 2,000,000,000	$ 2,000,000,000
Short-term debt	$ 720,000,000	$ 996,000,000
Term of facility	37 days	2 months
Weighted-average interest rate (as a percent)	5.70%	4.90%