Hedging Activities (Tables)

12 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of information regarding 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	March 31, 2016						March 31, 2015
		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	$	16	$	—	$	80	$	14	$	—	$	76
Foreign exchange  contracts (non-current)	Other Noncurrent Assets	46		—		243		53		—		323
Cross currency  swaps (non-current)	Other Noncurrent Liabilities	—		8		546		—		—		—
Total		$	62	$	8			$	67	$	—
Derivatives not designated for hedge accounting
Foreign exchange  contracts (current)	Prepaid expenses and other	$	23	$	—	$	680	$	7	$	—	$	493
Foreign exchange  contracts (current)	Other accrued liabilities	—		—		196		—		79		1,262
Total		$	23	$	—			$	7	$	79