Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Jun. 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 June 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 before reclassifications	—			(1		)	20		19
Amounts reclassified from accumulated other comprehensive income	—			5			—		5
Net current-period other comprehensive income	—			4			20		24
Balance as of June 30, 2014	$	(4	)	$	(6	)	$	71	$	61

	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 loss before reclassifications	(1		)	(2		)	(12		)	(15		)
Amounts reclassified from accumulated other comprehensive income	—			2			—			2
Net current-period other comprehensive loss	(1		)	—			(12		)	(13		)
Balances as of June 30, 2013	$	(5	)	$	—		$	61		$	56

The effects on net income of amounts reclassified from accumulated other comprehensive income (loss) for the three months ended June 30, 2014 and 2013 were as follows (in millions):

	Amount Reclassified From Accumulated Other Comprehensive Income (loss)
Statement of Operations Classification	Three Months Ended June 30, 2014		Three Months Ended June 30, 2013
Net revenue	$	3	$	1
Research and development	2		1
Total amount reclassified, net of tax	$	5	$	2