Stockholders' Equity (Tables)

6 Months Ended

Sep. 30, 2017

Equity [Abstract]

Schedule of Shares Repurchased

The details of shares repurchased are shown below:

Fiscal Period	Number of Shares Repurchased	Average Price per Share		Amount (in millions)
1st Quarter 2018	250,000	$	77.39	$	19
2nd Quarter 2018	591,505	78.20		47
Total	841,505	$	77.96	$	66

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table shows the changes in accumulated other comprehensive income (loss), net of taxes:

(in millions)	Foreign Currency Translation Adjustments			Cash Flow Hedges			Pension and Other Post-retirement Benefit Plans			Accumulated Other Comprehensive Income (Loss)
Balance at March 31, 2017	$	(458	)	$	20		$	276		$	(162	)
Current-period other comprehensive income (loss)	109			(5		)	—			104
Amounts reclassified from accumulated other comprehensive income	(5		)	—			(7		)	(12		)
Balance at September 30, 2017	$	(354	)	$	15		$	269		$	(70	)

(in millions)	Foreign Currency Translation Adjustments			Cash Flow Hedges			Pension and Other Post-retirement Benefit Plans			Accumulated Other Comprehensive Loss
Balance at April 1, 2016	$	(399	)	$	(1	)	$	289		$	(111	)
Current-period other comprehensive loss	(6		)	9			—			3
Amounts reclassified from accumulated other comprehensive loss	—			—			(7		)	(7		)
Balance at September 30, 2016	$	(405	)	$	8		$	282		$	(115	)