Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Total	$ 670	$ 452
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	4 years	3 years
Gross Carrying Amount	$ 176	$ 69
Accumulated Amortization	58	22
Total	$ 118	$ 47
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	6 years	5 years
Gross Carrying Amount	$ 2,468	$ 2,349
Accumulated Amortization	1,919	1,949
Total	$ 549	$ 400
Trade names and associated trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	2 years	3 years
Gross Carrying Amount	$ 9	$ 14
Accumulated Amortization	6	9
Total	$ 3	$ 5