Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Oct. 24, 2020	Oct. 26, 2019
Cash flows from operating activities:
Net income	$ 2,174	$ 2,926
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and other	451	461
Share-based compensation expense	438	395
Provision for receivables	13	50
Deferred income taxes	(120)	81
(Gains) losses on divestitures, investments and other, net	(59)	(8)
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	1,526	515
Inventories	(21)	34
Financing receivables	167	146
Other assets	(259)	59
Accounts payable	73	(45)
Income taxes, net	(84)	(330)
Accrued compensation	(165)	(473)
Deferred revenue	(45)	158
Other liabilities	7	(382)
Net cash provided by operating activities	4,096	3,587
Cash flows from investing activities:
Purchases of investments	(3,756)	(2,028)
Proceeds from sales of investments	657	2,342
Proceeds from maturities of investments	1,425	1,966
Acquisitions and divestitures	(830)	(163)
Purchases of investments in privately held companies	(68)	(54)
Return of investments in privately held companies	29	57
Acquisition of property and equipment	(171)	(202)
Proceeds from sales of property and equipment	4	4
Net cash (used in) provided by investing activities	(2,710)	1,922
Cash flows from financing activities:
Issuances of common stock	1	2
Repurchases of common stock—repurchase program	(800)	(784)
Shares repurchased for tax withholdings on vesting of restricted stock units	(89)	(194)
Short-term borrowings, original maturities of 90 days or less, net	0	(3,470)
Repayments of debt	0	(2,720)
Dividends paid	(1,520)	(1,486)
Other	35	(16)
Net cash used in financing activities	(2,373)	(8,668)
Net decrease in cash, cash equivalents, and restricted cash	(987)	(3,159)
Cash, cash equivalents, and restricted cash, beginning of period	11,812	11,772
Cash, cash equivalents, and restricted cash, end of period	10,825	8,613
Supplemental cash flow information:
Cash paid for interest	160	204
Cash paid for income taxes, net	$ 710	$ 1,009