Hedging Activities (Tables)

6 Months Ended

Sep. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of information regarding the fair value of derivatives on a gross basis

Information regarding the fair value of derivatives on a gross basis is as follows:

	Balance Sheet Caption	September 30, 2016						March 31, 2016
		Fair Value of Derivative				U.S. Dollar Notional		Fair Value of Derivative				U.S. Dollar Notional
(In millions)		Asset		Liability				Asset		Liability
Derivatives designated for hedge accounting
Foreign exchange contracts (current)	Prepaid expenses and other	$	17	$	—	$	80	$	16	$	—	$	80
Foreign exchange contracts (non-current)	Other Noncurrent Assets	49		—		243		46		—		243
Cross currency swaps (non-current)	Other Noncurrent Assets/Liabilities	74		—		1,011		—		8		546
Total		$	140	$	—			$	62	$	8
Derivatives not designated for hedge accounting
Foreign exchange contracts (current)	Prepaid expenses and other	$	2	$	—	$	98	$	23	$	—	$	680
Foreign exchange contracts (current)	Other accrued liabilities	—		—		45		—		—		196
Total		$	2	$	—			$	23	$	—