Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jul. 30, 2016	Jul. 25, 2015	Jul. 26, 2014
Cash flows from operating activities:
Net income	$ 10,739	$ 8,981	$ 7,853
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and other	2,150	2,442	2,439
Share-based compensation expense	1,458	1,440	1,348
Provision for receivables	(9)	134	79
Deferred income taxes	(194)	(23)	(678)
Excess tax benefits from share-based compensation	(129)	(128)	(118)
(Gains) losses on investments and other, net	(317)	(258)	(299)
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	(404)	(413)	340
Inventories	315	(116)	(109)
Financing receivables	(150)	(634)	(119)
Other assets	(37)	(370)	26
Accounts payable	(65)	87	(23)
Income taxes, net	(300)	53	191
Accrued compensation	(101)	7	(42)
Deferred revenue	1,219	1,275	659
Other liabilities	(605)	75	785
Net cash provided by operating activities	13,570	12,552	12,332
Cash flows from investing activities:
Purchases of investments	(46,760)	(43,975)	(36,317)
Proceeds from sales of investments	28,778	20,237	18,193
Proceeds from maturities of investments	14,115	15,293	15,660
Acquisition of businesses, net of cash and cash equivalents acquired	(3,161)	(326)	(2,989)
Proceeds from Divestiture of Businesses	372	0	0
Purchases of investments in privately held companies	(256)	(222)	(384)
Return of investments in privately held companies	91	288	213
Acquisition of property and equipment	(1,146)	(1,227)	(1,275)
Proceeds from sales of property and equipment	41	22	232
Other	(191)	(178)	24
Net cash used in investing activities	(8,117)	(10,088)	(6,643)
Cash flows from financing activities:
Issuances of common stock	1,127	2,016	1,907
Repurchases of common stock - repurchase program	(3,909)	(4,324)	(9,413)
Shares repurchased for tax withholdings on vesting of restricted stock units	(557)	(502)	(430)
Short-term borrowings, original maturities less than 90 days, net	(4)	(4)	(2)
Issuances of debt	6,978	4,981	7,981
Repayments of debt	(3,863)	(508)	(3,276)
Excess tax benefits from share-based compensation	129	128	118
Dividends paid	(4,750)	(4,086)	(3,758)
Other	150	(14)	(15)
Net cash used in financing activities	(4,699)	(2,313)	(6,888)
Net increase (decrease) in cash and cash equivalents	754	151	(1,199)
Cash and cash equivalents, beginning of fiscal year	6,877	6,726	7,925
Cash and cash equivalents, end of fiscal year	7,631	6,877	6,726
Supplemental cash flow information:
Cash paid for interest	859	760	682
Cash paid for income taxes, net	$ 2,675	$ 2,190	$ 2,349