Concentration Risk, Credit Risk, Financial Instrument, Number of Counterparties

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- Definition

Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

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.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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- Definition

Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Derivative and Hedging Activities - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) counterparty	Sep. 30, 2019 USD ($)	Mar. 31, 2020 USD ($)
Derivative [Line Items]
Foreign currency cash flow hedge loss to be reclassified during next 12 months	$ 1		$ 1
Number of counterparties with concentration of credit risk \| counterparty			6
Maximum amount of loss for other risks related to derivative instruments	1		$ 1
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign currency forward contracts
Derivative [Line Items]
Notational amount of derivative	460		460		$ 455
Designated as Hedging Instrument \| Net Investment Hedging
Derivative [Line Items]
Pretax gain (loss) on derivative instruments	(2)	$ 7	(6)	$ 18
Designated as Hedging Instrument \| Net Investment Hedging \| Foreign currency denominated debt
Derivative [Line Items]
Notational amount of derivative	1,500		1,500		1,900
Pretax gain (loss) on derivatives designated for hedge accounting included other comprehensive loss	(61)		(89)
Not Designated as Hedging Instrument \| Foreign currency forward contracts
Derivative [Line Items]
Notational amount of derivative	$ 1,500		$ 1,500		$ 2,200