Goodwill and Intangible Assets, Net - Schedule of Information Regarding Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2022	Mar. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,330	$ 4,996
Accumulated Amortization	(3,057)	(2,937)
Net Carrying Amount	$ 2,273	2,059
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	12 years
Gross Carrying Amount	$ 2,974	2,777
Accumulated Amortization	(1,735)	(1,691)
Net Carrying Amount	$ 1,239	1,086
Service agreements
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	8 years
Gross Carrying Amount	$ 1,071	1,085
Accumulated Amortization	(608)	(573)
Net Carrying Amount	$ 463	512
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	12 years
Gross Carrying Amount	$ 833	819
Accumulated Amortization	(418)	(386)
Net Carrying Amount	$ 415	433
Technology
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	11 years
Gross Carrying Amount	$ 261	128
Accumulated Amortization	(124)	(116)
Net Carrying Amount	$ 137	12
Other
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	9 years
Gross Carrying Amount	$ 191	187
Accumulated Amortization	(172)	(171)
Net Carrying Amount	$ 19	$ 16