Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Dec. 31, 2015

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Components of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The changes in accumulated other comprehensive income (loss) by component, net of tax, for the three months ended December 31, 2015 and 2014 are as follows (in millions):

	Unrealized Net Gains (Losses) on Available-for-Sale Securities			Unrealized Net Gains (Losses) on Derivative Instruments			Foreign Currency Translation Adjustments			Total
Balances as of September 30, 2015	$	(3	)	$	6		$	(47	)	$	(44	)
Other comprehensive income (loss) before reclassifications	(4		)	10			(16		)	(10		)
Amounts reclassified from accumulated other comprehensive income (loss)	1			(4		)	—			(3		)
Total other comprehensive income (loss), net of tax	(3		)	6			(16		)	(13		)
Balance as of December 31, 2015	$	(6	)	$	12		$	(63	)	$	(57	)

	Unrealized Net Gains (Losses) on Available-for-Sale Securities			Unrealized Net Gains (Losses) on Derivative Instruments		Foreign Currency Translation Adjustments			Total
Balances as of September 30, 2014	$	(4	)	$	7	$	50		$	53
Other comprehensive income (loss) before reclassifications	(1		)	1		(30		)	(30		)
Amounts reclassified from accumulated other comprehensive income (loss)	(1		)	1		—			—
Total other comprehensive income (loss), net of tax	(2		)	2		(30		)	(30		)
Balance as of December 31, 2014	$	(6	)	$	9	$	20		$	23

The changes in accumulated other comprehensive income (loss) by component, net of tax, for the nine months ended December 31, 2015 and 2014 are as follows (in millions):

	Unrealized Net Gains (Losses) on Available-for-Sale Securities			Unrealized Net Gains (Losses) on Derivative Instruments			Foreign Currency Translation Adjustments			Total
Balances as of March 31, 2015	$	(3	)	$	21		$	(16	)	$	2
Other comprehensive income (loss) before reclassifications	(3		)	2			(47		)	(48		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			(11		)	—			(11		)
Total other comprehensive income (loss), net of tax	(3		)	(9		)	(47		)	(59		)
Balance as of December 31, 2015	$	(6	)	$	12		$	(63	)	$	(57	)

	Unrealized Net Gains (Losses) on Available-for-Sale Securities			Unrealized Net Gains (Losses) on Derivative Instruments			Foreign Currency Translation Adjustments			Total
Balances as of March 31, 2014	$	(4	)	$	(10	)	$	51		$	37
Other comprehensive income (loss) before reclassifications	(1		)	11			(31		)	(21		)
Amounts reclassified from accumulated other comprehensive income (loss)	(1		)	8			—			7
Total other comprehensive income (loss), net of tax	(2		)	19			(31		)	(14		)
Balance as of December 31, 2014	$	(6	)	$	9		$	20		$	23

Reclassification out of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The effects on net income of amounts reclassified from accumulated other comprehensive income (loss) for the three and nine months ended December 31, 2015 were as follows (in millions):

	Amount Reclassified From Accumulated Other Comprehensive Income (Loss)
Statement of Operations Classification	Three Months Ended December 31, 2015			Nine Months Ended December 31, 2015
Gains and losses on available-for-sale securities
Interest and other income (expense), net	$	1		$	—
Net of tax	$	1		$	—
Gains and losses on cash flow hedges from forward contracts
Net revenue	$	(5	)	$	(19	)
Research and development	1			8
Net of tax	$	(4	)	$	(11	)
Total amount reclassified, net of tax	$	(3	)	$	(11	)

The net impact from our available-for-sale securities and cash flow hedging activities in our Condensed Consolidated Statements of Operations for the three and nine months ended December 31, 2015 was a gain of $3 million and $11 million, respectively.

The effects on net income of amounts reclassified from accumulated other comprehensive income (loss) for the three and nine months ended December 31, 2014 were as follows (in millions):

	Amount Reclassified From Accumulated Other Comprehensive Income (Loss)
Statement of Operations Classification	Three Months Ended December 31, 2014			Nine Months Ended December 31, 2014
Gains and losses on available-for-sale securities
Interest and other income (expense), net	$	(1	)	$	(1	)
Net of tax	$	(1	)	$	(1	)
Gains and losses on cash flow hedges from forward contracts
Net revenue	$	(2	)	$	3
Research and development	3			5
Net of tax	$	1		$	8
Total amount reclassified, net of tax	$	—		$	7