Leases Components of lease expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Short-term lease cost	$ 31	$ 27	$ 31
Sublease income	(3)	(4)	(4)
Total lease cost	387	355	374
Finance lease cost - Amortization of right-of-use assets	20	20	19
Finance lease cost - Interest on lease liabilities	38	38	32
Operating Lease, Cost	$ 301	$ 274	$ 296