Leases - Supplemental cash flow and other information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities:	$ 286	$ 295	$ 317
Right of use assets obtained in exchange for operating lease liabilities:	$ 285	$ 261	$ 342