Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Sep. 30, 2014

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 September 30, 2014 and 2013 are as follows (in millions):

	Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Gains (Losses) on Derivative Instruments			Foreign Currency Translation Adjustments			Total
Balances as of June 30, 2014	$	(4	)	$	(6	)	$	71		$	61
Other comprehensive income (loss) before reclassifications	—			11			(21		)	(10		)
Amounts reclassified from accumulated other comprehensive income	—			2			—			2
Net current-period other comprehensive income (loss)	—			13			(21		)	(8		)
Balance as of September 30, 2014	$	(4	)	$	7		$	50		$	53

	Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Gains (Losses) on Derivative Instruments			Foreign Currency Translation Adjustments		Total
Balances as of June 30, 2013	$	(5	)	$	—		$	61	$	56
Other comprehensive income (loss) before reclassifications	1			(9		)	14		6
Amounts reclassified from accumulated other comprehensive income	—			—			—		—
Net current-period other comprehensive income (loss)	1			(9		)	14		6
Balance as of September 30, 2013	$	(4	)	$	(9	)	$	75	$	62

The changes in accumulated other comprehensive income (loss) by component, net of tax, for the six months ended September 30, 2014 and 2013 are as follows (in millions):

	Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized 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	—			10			(1		)	9
Amounts reclassified from accumulated other comprehensive income	—			7			—			7
Net current-period other comprehensive income (loss)	—			17			(1		)	16
Balances as of September 30, 2014	$	(4	)	$	7		$	50		$	53

	Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Gains (Losses) on Derivative Instruments			Foreign Currency Translation Adjustments		Total
Balances as of March 31, 2013	$	(4	)	$	—		$	73	$	69
Other comprehensive income (loss) before reclassifications	—			(11		)	2		(9		)
Amounts reclassified from accumulated other comprehensive income	—			2			—		2
Net current-period other comprehensive income (loss)	—			(9		)	2		(7		)
Balances as of September 30, 2013	$	(4	)	$	(9	)	$	75	$	62

The effects on net income of amounts reclassified from accumulated other comprehensive income (loss) for the three and six months ended September 30, 2014 were as follows (in millions):

	Amount Reclassified From Accumulated Other Comprehensive Income (loss)
Statement of Operations Classification	Three Months Ended September 30, 2014		Six Months Ended September 30, 2014
Net revenue	$	2	$	5
Research and development	—		2
Total amount reclassified, net of tax	$	2	$	7

The effects on net income of amounts reclassified from accumulated other comprehensive income (loss) for the three and six months ended September 30, 2013 was immaterial and included in net revenue and research and development.