Lease Obligations - Lessee - Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating leases, weighted average remaining lease term	10 years 9 months 18 days	8 years 11 months 1 day
Finance leases, weighted average remaining lease term	15 years 3 months 21 days	14 years 8 months 12 days
Operating leases, weighted average discount rate	3.35%	2.88%
Finance leases, weighted average discount rate	2.94%	2.74%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 90	$ 88	$ 91
Operating cash flows from finance leases	5	4	3
Financing cash flows from finance leases	23	16	11
Gains on sale-leaseback transactions	$ 4	$ 2	$ 3