Goodwill, Customer Relationships and Other Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived and Indefinite-Lived Intangible Assets
Goodwill	$ 1,970	$ 6,666	$ 7,405
Finite lived intangible assets, net	4,973	5,725
Customer relationships
Finite-Lived and Indefinite-Lived Intangible Assets
Finite lived intangible assets, net	4,563	5,325
Accumulated amortization	3,265	2,779
Capitalized software
Finite-Lived and Indefinite-Lived Intangible Assets
Finite lived intangible assets, net	410	378
Accumulated amortization	387	349
Trade names
Finite-Lived and Indefinite-Lived Intangible Assets
Finite lived intangible assets, net	0	22
Accumulated amortization	$ 130	$ 109