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Goodwill and Intangible Assets, Net - Schedule of Information Regarding Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 5,398 | $ 4,996
Accumulated Amortization | (3,121) | (2,937)
Net Carrying Amount | $ 2,277 | 2,059
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Amortization Period (Years) | 12 years |
Gross Carrying Amount | $ 2,971 | 2,777
Accumulated Amortization | (1,765) | (1,691)
Net Carrying Amount | $ 1,206 | 1,086
Service agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Amortization Period (Years) | 10 years |
Gross Carrying Amount | $ 1,137 | 1,085
Accumulated Amortization | (623) | (573)
Net Carrying Amount | $ 514 | 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 | (430) | (386)
Net Carrying Amount | $ 403 | 433
Technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Amortization Period (Years) | 11 years |
Gross Carrying Amount | $ 264 | 128
Accumulated Amortization | (129) | (116)
Net Carrying Amount | $ 135 | 12
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Amortization Period (Years) | 10 years |
Gross Carrying Amount | $ 193 | 187
Accumulated Amortization | (174) | (171)
Net Carrying Amount | 19 | $ 16
Held-for-sale | European Assets Held for Sale |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, net | $ 384 |

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