Goodwill and Intangible Assets, Net - Schedule of Information Regarding Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 4,033	$ 5,398
Accumulated Amortization		(1,923)	(3,121)
Net Carrying Amount		$ 2,110	2,277
Derecognition of finite-lived intangible assets	$ 1,400
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)		11 years
Gross Carrying Amount		$ 1,830	2,971
Accumulated Amortization		(701)	(1,765)
Net Carrying Amount		$ 1,129	1,206
Service agreements
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)		10 years
Gross Carrying Amount		$ 1,126	1,137
Accumulated Amortization		(676)	(623)
Net Carrying Amount		$ 450	514
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)		12 years
Gross Carrying Amount		$ 759	833
Accumulated Amortization		(395)	(430)
Net Carrying Amount		$ 364	403
Technology
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)		10 years
Gross Carrying Amount		$ 284	264
Accumulated Amortization		(125)	(129)
Net Carrying Amount		$ 159	135
Other
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)		6 years
Gross Carrying Amount		$ 34	193
Accumulated Amortization		(26)	(174)
Net Carrying Amount		$ 8	$ 19