Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jul. 27, 2019	Jul. 28, 2018	Jul. 29, 2017
Cash flows from operating activities:
Net income	$ 11,621	$ 110	$ 9,609
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and other	1,897	2,192	2,286
Share-based compensation expense	1,570	1,576	1,526
Provision (benefit) for receivables	40	(134)	(8)
Deferred income taxes	(350)	900	(124)
Excess tax benefits from share-based compensation	0	0	(153)
(Gains) losses on divestitures, investments and other, net	(24)	(322)	154
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	(84)	(269)	756
Inventories	131	(244)	(394)
Financing receivables	(249)	(219)	(1,038)
Other assets	(955)	66	15
Accounts payable	87	504	311
Income taxes, net	312	8,118	60
Accrued compensation	277	100	(110)
Deferred revenue	1,407	1,205	1,683
Other liabilities	151	83	(697)
Net cash provided by operating activities	15,831	13,666	13,876
Cash flows from investing activities:
Purchases of investments	(2,416)	(14,285)	(42,702)
Proceeds from sales of investments	7,388	17,706	28,827
Proceeds from maturities of investments	12,928	15,769	12,143
Acquisitions and divestitures	(2,175)	(2,979)	(3,324)
Purchases of investments in privately held companies	(148)	(267)	(222)
Return of investments in privately held companies	159	168	203
Acquisition of property and equipment	(909)	(834)	(964)
Proceeds from sales of property and equipment	22	59	7
Other	(12)	(19)	(4)
Net cash provided by (used in) investing activities	14,837	15,318	(6,036)
Cash flows from financing activities:
Issuances of common stock	640	623	708
Repurchases of common stock - repurchase program	(20,717)	(17,547)	(3,685)
Shares repurchased for tax withholdings on vesting of restricted stock units	(862)	(703)	(619)
Short-term borrowings, original maturities of 90 days or less, net	3,446	(2,502)	2,497
Issuances of debt	2,250	6,877	6,980
Repayments of debt	(6,780)	(12,375)	(4,151)
Excess tax benefits from share-based compensation	0	0	153
Dividends paid	(5,979)	(5,968)	(5,511)
Other	113	(169)	(178)
Net cash used in financing activities	(27,889)	(31,764)	(3,806)
Net increase (decrease) in cash, cash equivalents, and restricted cash	2,779	(2,780)	4,034
Cash, cash equivalents, and restricted cash, beginning of fiscal year	8,993	11,773	7,739
Cash, cash equivalents, and restricted cash, end of fiscal year	11,772	8,993	11,773
Supplemental cash flow information:
Cash paid for interest	839	910	897
Cash paid for income taxes, net	$ 2,986	$ 3,911	$ 2,742