Hedging Activities - Schedule of Fair Value of Derivatives (Details) - Derivatives designated for hedge accounting - USD ($) $ in Millions	Dec. 31, 2023	Mar. 31, 2023
Derivatives, Fair Value [Line Items]
Asset	$ 138	$ 80
Liability	35	17
Net Investment Hedges | Prepaid expenses and other/Other accrued liabilities
Derivatives, Fair Value [Line Items]
Asset	0	5
Liability	2	0
U.S. Dollar notional amount, asset	679	301
Net Investment Hedges | Other non-current assets/liabilities
Derivatives, Fair Value [Line Items]
Asset	138	74
Liability	10	2
U.S. Dollar notional amount, asset	2,382	2,760
Floating interest rate swaps | Other non-current assets/liabilities
Derivatives, Fair Value [Line Items]
Asset	0	1
Liability	22	15
U.S. Dollar notional amount, asset	1,250	1,700
Foreign currency forwards | Other accrued liabilities
Derivatives, Fair Value [Line Items]
Asset	0	0
Liability	1	0
U.S. Dollar, notional amount, liability	33	0
Foreign currency forwards | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Asset	0	0
Liability	0	0
U.S. Dollar, notional amount, liability	$ 24	$ 0