Leases - Components of Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating Lease Expense (Note 15)	$ 300	$ 295	$ 286
Finance Lease Expense:
Amortization of ROU assets	10	9	11
Interest on lease liabilities	20	21	21
Short Term Lease Expense	17	11	6
Variable Lease Expense	5	8	3
Sublease Income	(11)	(11)	(11)
Total Lease Expense	$ 341	$ 333	$ 316