Leases (Supplemental Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 62	$ 53	$ 47
Right-of-use assets obtained in exchange for operating liabilities:
Operating leases	43	73	$ 48
Right-of-use asset balance:
Operating leases	177	187
Lease liability balance:
Current operating leases	42	42
Long-term operating leases	133	142
Total operating leases	$ 175	$ 184
Operating lease (years)	4 years 10 months 24 days	5 years 6 months
Operating lease (Percent)	7.32%	6.77%