Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Nominal or face amount used to calculate payment on derivative.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount before tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Hedging Activities - Narrative (Details) £ in Millions, $ in Millions, € in Billions	6 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 EUR (€)	Sep. 30, 2022 GBP (£)	Mar. 31, 2022 EUR (€)
Disposed of by sale \| U.K. Disposal Group (Disposal Group)
Derivative [Line Items]
Reclassification of gains from AOCI	$ 26
Fair Value Hedges \| USD \| Interest Rate Swap Entered Into QTD \| Derivatives designated for hedge accounting
Derivative [Line Items]
Derivative, notional amount	570
Fair Value Hedges \| USD \| Interest Rate Swap Entered Into YTD \| Derivatives designated for hedge accounting
Derivative [Line Items]
Derivative, notional amount	$ 750
Euro Denominated Notes \| Term Loan \| Net Investment Hedges
Derivative [Line Items]
Debt outstanding \| €		€ 1.1		€ 1.1
British Pound Sterling Denominated Notes \| Term Loan
Derivative [Line Items]
Debt outstanding \| £			£ 450