Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Net Amount	$ 868	$ 452
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	4 years	3 years
Gross Carrying Amount	$ 266	$ 69
Accumulated Amortization	38	22
Net Amount	$ 228	$ 47
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	6 years	5 years
Gross Carrying Amount	$ 2,647	$ 2,349
Accumulated Amortization	2,011	1,949
Net Amount	$ 636	$ 400
Trade names and associated trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	3 years	3 years
Gross Carrying Amount	$ 14	$ 14
Accumulated Amortization	10	9
Net Amount	$ 4	$ 5