Derivative and Hedging Activities (Tables)

6 Months Ended

Sep. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivatives Not Designated For Hedge Accounting

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

		For the Three Months Ended					For the Six Months Ended
(in millions)	Statement of Operations Line Item	September 30, 2019			September 30, 2018		September 30, 2019			September 30, 2018
Foreign currency forward contracts	Other expense (income), net	$	(41	)	$	11	$	(22	)	$	43

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

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	September 30, 2019		March 31, 2019
Derivatives designated for hedge accounting:
Foreign currency forward contracts	Other current assets	$	7	$	38
Total fair value of derivatives designated for hedge accounting		$	7	$	38
Derivatives not designated for hedge accounting:
Foreign currency forward contracts	Other current assets	$	6	$	5
Total fair value of derivatives not designated for hedge accounting		$	6	$	5

	Derivative Liabilities
		As of
(in millions)	Balance Sheet Line Item	September 30, 2019		March 31, 2019
Derivatives designated for hedge accounting:
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	4	$	4
Total fair value of derivatives designated for hedge accounting:		$	4	$	4
Derivatives not designated for hedge accounting:
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	2	$	9
Total fair value of derivatives not designated for hedge accounting		$	2	$	9