Debt - Outstanding Debt, Debt Issuance Costs, Premium (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term debt	$ 10,175	$ 11,165
Debt issuance costs	44
Debt discount	$ 31
Average remaining term (in years)	7 years 8 months 4 days
Interest accrued for debt	$ 90	$ 99
Secured Debt
Debt Instrument [Line Items]
Average remaining term (in years)	7 years 8 months 12 days