Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jan. 26, 2019	Jan. 27, 2018
Cash flows from operating activities:
Net income	$ 6,371	$ (6,384)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization, and other	952	1,112
Share-based compensation expense	792	785
Provision (benefit) for receivables	30	(43)
Deferred income taxes	(257)	1,021
(Gains) losses on divestitures, investments and other, net	(77)	(174)
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	1,613	1,236
Inventories	(203)	(276)
Financing receivables	161	(156)
Other assets	(652)	(15)
Accounts payable	(296)	(338)
Income taxes, net	(830)	10,246
Accrued compensation	(339)	(189)
Deferred revenue	207	237
Other liabilities	88	88
Net cash provided by operating activities	7,560	7,150
Cash flows from investing activities:
Purchases of investments	(677)	(13,954)
Proceeds from sales of investments	3,055	9,111
Proceeds from maturities of investments	6,263	7,365
Acquisitions and divestitures	(1,599)	(727)
Purchases of investments in privately held companies	(68)	(89)
Return of investments in privately held companies	43	124
Acquisition of property and equipment	(473)	(379)
Proceeds from sales of property and equipment	10	51
Other	(12)	(17)
Net cash provided by investing activities	6,542	1,485
Cash flows from financing activities:
Issuances of common stock	312	302
Repurchases of common stock—repurchase program	(10,062)	(5,457)
Shares repurchased for tax withholdings on vesting of restricted stock units	(514)	(433)
Short-term borrowings, original maturities of 90 days or less, net	0	5,095
Issuances of debt	0	6,877
Repayments of debt	0	(6,230)
Dividends paid	(2,970)	(2,861)
Other	18	(22)
Net cash used in financing activities	(13,216)	(2,729)
Net increase in cash, cash equivalents, and restricted cash	886	5,906
Cash, cash equivalents, and restricted cash, beginning of period	8,993	11,773
Cash, cash equivalents, and restricted cash, end of period	9,879	17,679
Supplemental cash flow information:
Cash paid for interest	421	454
Cash paid for income taxes, net	$ 1,968	$ 1,311