Stockholders' Equity (Tables)

9 Months Ended

Dec. 31, 2018

Equity [Abstract]

Schedule of Treasury Stock

The details of shares repurchased are shown below:

	Fiscal 2019					Fiscal 2018
Fiscal Period	Number of Shares Repurchased	Average Price Per Share		Amount (in millions)		Number of Shares Repurchased	Average Price Per Share		Amount (in millions)
1st Quarter	3,779,194	$	85.86	$	324	250,000	$	77.39	$	19
2nd Quarter	1,448,729	$	87.16	$	127	591,505	$	78.20	$	47
3rd Quarter	12,452,514	$	63.96	$	797	—	$	—	$	—
Total	17,680,437	$	70.58	$	1,248	841,505	$	77.96	$	66

Schedule of Accumulated Other Comprehensive Income (Loss)

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

	Three Months Ended December 31,2018
(in millions)	Foreign Currency Translation Adjustments			Cash Flow Hedges			Available-for-sale Securities		Pension and Other Post-retirement Benefit Plans			Accumulated Other Comprehensive Loss
Balance at September 30, 2018	$	(669	)	$	(16	)	$	8	$	295		$	(382	)
Current-period other comprehensive loss	(64		)	5			—		(23		)	(82		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			4			—		(4		)	—
Balance at December 31, 2018	$	(733	)	$	(7	)	$	8	$	268		$	(464	)

	Nine Months Ended December 31,2018
(in millions)	Foreign Currency Translation Adjustments			Cash Flow Hedges			Available-for-sale Securities			Pension and Other Post-retirement Benefit Plans			Accumulated Other Comprehensive Income (Loss)
Balance at March 31, 2018	$	(261	)	$	9		$	9		$	301		$	58
Current-period other comprehensive loss	(472		)	(25		)	(1		)	(23		)	(521		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			9			—			(10		)	(1		)
Balance at December 31, 2018	$	(733	)	$	(7	)	$	8		$	268		$	(464	)

	Three Months Ended December 31,2017
(in millions)	Foreign Currency Translation Adjustments			Cash Flow Hedges		Pension and Other Post-retirement Benefit Plans			Accumulated Other Comprehensive Loss
Balance at September 30, 2017	$	(354	)	$	15	$	269		$	(70	)
Current-period other comprehensive loss	(47		)	5		—			(42		)
Amounts reclassified from accumulated other comprehensive income (loss)	(3		)	—		(3		)	(6		)
Balance at December 31, 2017	$	(404	)	$	20	$	266		$	(118	)

	Nine Months Ended December 31,2017
(in millions)	Foreign Currency Translation Adjustments			Cash Flow Hedges		Pension and Other Post-retirement Benefit Plans			Accumulated Other Comprehensive Loss
Balance at March 31, 2017	$	(458	)	$	20	$	276		$	(162	)
Current-period other comprehensive income	62			—		—			62
Amounts reclassified from accumulated other comprehensive loss	(8		)	—		(10		)	(18		)
Balance at December 31, 2017	$	(404	)	$	20	$	266		$	(118	)