Leases Supplemental Lease Disclosures (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating Lease, Payments	$ 80	$ 89	$ 101
Finance Lease, Interest Payment on Liability	5	5	5
Finance Lease, Principal Payments	16	13	9
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	50	23	37
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 18	$ 6	$ 4
Operating Lease, Weighted Average Remaining Lease Term	8 years 9 months 18 days	8 years 10 months 24 days	8 years 1 month 6 days
Finance Lease, Weighted Average Remaining Lease Term	3 years 10 months 24 days	4 years 9 months 18 days	5 years 10 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	9.10%	9.60%	9.60%
Finance Lease, Weighted Average Discount Rate, Percent	8.50%	8.90%	9.10%