CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Jan. 26, 2018	Jan. 27, 2017
Cash flows from operating activities:
Net income (loss)	$ (195)	$ 319
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	150	173
Stock-based compensation	125	149
Deferred income taxes	258	73
Gain on sale of properties	(218)	(10)
Other items, net	(8)	(8)
Changes in assets and liabilities, net of acquisitions of businesses:
Accounts receivable	(8)	208
Inventories	65	(27)
Other operating assets	28	16
Accounts payable	115	13
Accrued expenses	58	(121)
Deferred revenue and financed unearned services revenue	(102)	(148)
Long-term taxes payable	723	(16)
Other operating liabilities	(7)	0
Net cash provided by operating activities	984	621
Cash flows from investing activities:
Purchases of investments	(1,262)	(1,383)
Maturities, sales and collections of investments	1,084	1,385
Purchases of property and equipment	(97)	(137)
Proceeds from sale of properties	210	0
Acquisitions of businesses, net of cash acquired	(75)	0
Other investing activities, net	(1)	2
Net cash used in investing activities	(141)	(133)
Cash flows from financing activities:
Proceeds from issuance of common stock under employee stock award plans	157	112
Payments for taxes related to net share settlement of stock awards	(67)	(42)
Repurchase of common stock	(450)	(576)
Proceeds from issuance of commercial paper notes, net	132	392
Issuance of long-term debt, net	795	0
Repayment of short-term loan	0	(850)
Repayment of long-term debt	(750)	0
Dividends paid	(161)	(157)
Other financing activities, net	(6)	(7)
Net cash used in financing activities	(350)	(1,128)
Effect of exchange rate changes on cash and cash equivalents	37	(15)
Net increase (decrease) in cash and cash equivalents	530	(655)
Cash and cash equivalents:
Beginning of period	2,444	2,868
End of period	$ 2,974	$ 2,213