Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2016		Sep. 30, 2015
OPERATING ACTIVITIES
Net income	$ 402		$ 302
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation, amortization and accretion	91		99
Loss on conversion of senior notes	0		6
Stock-based compensation	96		89
Change in assets and liabilities:
Receivables, net	(493)		(379)
Inventories	(17)		(26)
Other assets	54		39
Accounts payable	133		126
Accrued and other liabilities	(34)		(149)
Deferred income taxes, net	20		1
Deferred net revenue (online-enabled games)	(391)		(170)
Net cash used in operating activities	(139)		(62)
INVESTING ACTIVITIES
Capital expenditures	(69)		(42)
Proceeds from maturities and sales of short-term investments	644		513
Purchase of short-term investments	(824)		(551)
Net cash used in investing activities	(249)		(80)
FINANCING ACTIVITIES
Payment of convertible notes	(163)		(198)
Proceeds from issuance of common stock	31		84
Excess tax benefit from stock-based compensation	37		65
Repurchase and retirement of common stock	(256)		(258)
Net cash used in financing activities	(351)		(307)
Effect of foreign exchange on cash and cash equivalents	(8)		(21)
Decrease in cash and cash equivalents	(747)		(470)
Beginning cash and cash equivalents	2,493	[1]	2,068
Ending cash and cash equivalents	1,746		1,598
Supplemental cash flow information:
Cash paid during the period for income taxes, net	26		26
Cash paid during the period for interest	22		3
Non-cash Investing activities
Change in accrued capital expenditures	$ (17)		$ (6)

[1] Derived from audited Consolidated Financial Statements.