Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2015		Jun. 30, 2014
OPERATING ACTIVITIES
Net income	$ 442		$ 335
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation, amortization and accretion	49		56
Stock-based compensation	45		29
Acquisition-related contingent consideration	0		(1)
Change in assets and liabilities:
Receivables, net	219		110
Inventories	3		19
Other assets	26		21
Accounts payable	(16)		(43)
Accrued and other liabilities	(331)		(84)
Deferred income taxes, net	0		1
Deferred net revenue (online-enabled games)	(508)		(439)
Net cash provided by (used in) operating activities	(71)		4
INVESTING ACTIVITIES
Capital expenditures	(24)		(27)
Proceeds from maturities and sales of short-term investments	249		155
Purchase of short-term investments	(365)		(335)
Net cash used in investing activities	(140)		(207)
FINANCING ACTIVITIES
Proceeds from issuance of common stock	45		5
Excess tax benefit from stock-based compensation	40		12
Repurchase and retirement of common stock	(132)		(50)
Net cash used in financing activities	(47)		(33)
Effect of foreign exchange on cash and cash equivalents	0		8
Decrease in cash and cash equivalents	(258)		(228)
Beginning cash and cash equivalents	2,068	[1]	1,782
Ending cash and cash equivalents	1,810		1,554
Supplemental cash flow information:
Cash paid during the period for income taxes, net	21		8
Cash paid during the period for interest	$ 3		$ 0

[1] Derived from audited consolidated financial statements.