Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jul. 25, 2015	Jul. 26, 2014	Jul. 27, 2013
Cash flows from operating activities:
Net income	$ 8,981	$ 7,853	$ 9,983
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and other	2,442	2,439	2,460
Share-based compensation expense	1,440	1,348	1,120
Provision for receivables	134	79	44
Deferred income taxes	(23)	(678)	(37)
Excess tax benefits from share-based compensation	(128)	(118)	(92)
(Gains) losses on investments and other, net	(258)	(299)	(91)
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	(413)	340	(1,001)
Inventories	(116)	(109)	218
Financing receivables	(634)	(119)	(723)
Other assets	(370)	26	(36)
Accounts payable	87	(23)	164
Income taxes, net	53	191	(239)
Accrued compensation	7	(42)	134
Deferred revenue	1,275	659	598
Other liabilities	75	785	392
Net cash provided by operating activities	12,552	12,332	12,894
Cash flows from investing activities:
Purchases of investments	(43,975)	(36,317)	(36,608)
Proceeds from sales of investments	20,237	18,193	14,799
Proceeds from maturities of investments	15,293	15,660	17,909
Acquisition of businesses, net of cash and cash equivalents acquired	(326)	(2,989)	(6,766)
Purchases of investments in privately held companies	(222)	(384)	(225)
Return of investments in privately held companies	288	213	209
Acquisition of property and equipment	(1,227)	(1,275)	(1,160)
Proceeds from sales of property and equipment	22	232	141
Other	(178)	24	(67)
Net cash used in investing activities	(10,088)	(6,643)	(11,768)
Cash flows from financing activities:
Issuances of common stock	2,016	1,907	3,338
Repurchases of common stock - repurchase program	(4,324)	(9,413)	(2,773)
Shares repurchased for tax withholdings on vesting of restricted stock units	(502)	(430)	(330)
Short-term borrowings, original maturities less than 90 days, net	(4)	(2)	(20)
Issuances of debt	4,981	7,981	24
Repayments of debt	(508)	(3,276)	(16)
Excess tax benefits from share-based compensation	128	118	92
Dividends paid	(4,086)	(3,758)	(3,310)
Other	(14)	(15)	(5)
Net cash used in financing activities	(2,313)	(6,888)	(3,000)
Net increase (decrease) in cash and cash equivalents	151	(1,199)	(1,874)
Cash and cash equivalents, beginning of fiscal year	6,726	7,925	9,799
Cash and cash equivalents, end of fiscal year	6,877	6,726	7,925
Supplemental cash flow information:
Cash paid for interest	760	682	682
Cash paid for income taxes, net	$ 2,190	$ 2,349	$ 1,519