Derivative Instruments (Tables)

12 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Foreign Currency Forward Contracts

The following table presents the pretax amounts impacting income related to designated and non-designated foreign currency forward contracts:

		Fiscal Years Ended
(in millions)	Statement of Operations Line Item	March 31, 2020			March 31, 2019		March 31, 2018
Foreign currency forward contracts	Other expense (income), net	$	(37	)	$	16	$	118

Schedule of Derivative Instruments

The following tables present the fair values of derivative instruments included in the balance sheets:

	Derivative Assets
		As of
(in millions)	Balance Sheet Line Item	March 31, 2020		March 31, 2019
Derivatives designated for hedge accounting:
Foreign currency forward contracts (1)	Other current assets	—		38
Total fair value of derivatives designated for hedge accounting		$	—	$	38
Derivatives not designated for hedge accounting:
Foreign currency forward contracts	Other current assets	$	16	$	5
Total fair value of derivatives not designated for hedge accounting		$	16	$	5

	Derivative Liabilities
		As of
(in millions)	Balance Sheet Line Item	March 31, 2020		March 31, 2019
Derivatives designated for hedge accounting:
Foreign currency forward contracts(1)	Accrued expenses and other current liabilities	$	20	$	4
Total fair value of derivatives designated for hedge accounting:		$	20	$	4
Derivatives not designated for hedge accounting:
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	12	$	9
Total fair value of derivatives not designated for hedge accounting		$	12	$	9

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Foreign currency forward contracts designated for hedge accounting includes designated cash flow hedges and net investment hedges.