Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Operating Leases
Operating Lease ROU Assets		$ 976	$ 981
Operating Lease Liabilities due Within One Year (Note 15)		199	204
Operating Lease Liabilities (Note 15)		821	819
Total Operating Lease Liabilities		1,020	1,023
Finance Leases
Property, Plant and Equipment, at cost		269	264
Accumulated Depreciation		(69)	(64)
Property, Plant and Equipment, net		200	200
Long Term Debt and Finance Leases due Within One Year		8	18
Long Term Debt and Finance Leases		247	237
Total Finance Lease Liabilities	[1]	$ 255	$ 255
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]		Long-Term Debt and Lease Obligation	Long-Term Debt and Lease Obligation
Weighted Average Remaining Lease Term
Operating Leases		7 years 4 months 24 days	7 years 6 months
Finance Leases		29 years 2 months 12 days	30 years 1 month 6 days
Weighted Average Discount Rate
Operating Leases		6.82%	6.30%
Finance Leases		8.26%	8.40%

[1] Includes non-cash financing additions of $20 million and $14 million during the twelve month period ended December 31, 2022 and 2021, respectively.