CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jul. 31, 2015	Jul. 25, 2014
Cash flows from operating activities:
Net income (loss)	$ (30)	$ 88
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	69	78
Stock-based compensation	77	62
Deferred income taxes	(51)	8
Excess tax benefit from stock-based compensation	(2)	(43)
Other non-cash items, net	17	38
Changes in assets and liabilities:
Accounts receivable	361	271
Inventories	(47)	18
Other operating assets	17	(13)
Accounts payable	(33)	(62)
Accrued expenses	(119)	(227)
Deferred revenue and financed unearned services revenue	(121)	(26)
Other operating liabilities	(9)	24
Net cash provided by operating activities	129	216
Cash flows from investing activities:
Purchases of investments	(238)	(332)
Maturities, sales and collections of investments	1,016	523
Purchases of property and equipment	(38)	(58)
Other investing activities, net	2	0
Net cash provided by investing activities	742	133
Cash flows from financing activities:
Issuance of common stock under employee stock award plans	19	28
Repurchase of common stock	(430)	(119)
Excess tax benefit from stock-based compensation	2	43
Issuance of long-term debt, net	0	495
Dividends paid	(54)	(53)
Other financing activities, net	(1)	(2)
Net cash provided by (used in) financing activities	(464)	392
Effect of exchange rate changes on cash and cash equivalents	(5)	0
Net increase in cash and cash equivalents	402	741
Cash and cash equivalents:
Beginning of period	1,922	2,291
End of period	$ 2,324	$ 3,032