Derivative Instruments (Tables)

3 Months Ended

Jun. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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

The following tables show the Company’s derivative instruments at gross fair value:

	Derivative Assets
		As of
(in millions)	Balance Sheet Line Item	June 30, 2017		March 31, 2017
Derivatives designated for hedge accounting:
Interest rate swaps	Other assets	$	5	$	5
Foreign currency forward contracts	Other current assets	26		27
Total fair value of derivatives designated for hedge accounting		$	31	$	32
Derivatives not designated for hedge accounting:
Foreign currency forward contracts	Other current assets	$	38	$	15
Total fair value of derivatives not designated for hedge accounting		$	38	$	15

	Derivative Liabilities
		As of
(in millions)	Balance Sheet Line Item	June 30, 2017		March 31, 2017
Derivatives designated for hedge accounting:
Interest rate swaps	Other long-term liabilities	$	1	$	1
Foreign currency forward contracts	Accrued expenses and other current liabilities	1		—
Total fair value of derivatives designated for hedge accounting:		$	2	$	1
Derivatives not designated for hedge accounting:
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	7	$	12
Total fair value of derivatives not designated for hedge accounting		$	7	$	12