Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Oct. 26, 2019	Oct. 27, 2018
Cash flows from operating activities:
Net income	$ 2,926	$ 3,549
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and other	461	465
Share-based compensation expense	395	403
Provision for receivables	50	8
Deferred income taxes	81	(72)
(Gains) losses on divestitures, investments and other, net	(8)	7
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	515	892
Inventories	34	(34)
Financing receivables	146	273
Other assets	59	(295)
Accounts payable	(45)	(153)
Income taxes, net	(330)	(437)
Accrued compensation	(473)	(348)
Deferred revenue	158	(309)
Other liabilities	(382)	(186)
Net cash provided by operating activities	3,587	3,763
Cash flows from investing activities:
Purchases of investments	(2,028)	(484)
Proceeds from sales of investments	2,342	2,805
Proceeds from maturities of investments	1,966	2,541
Acquisitions and divestitures	(163)	(1,964)
Purchases of investments in privately held companies	(54)	(29)
Return of investments in privately held companies	57	16
Acquisition of property and equipment	(202)	(212)
Proceeds from sales of property and equipment	4	2
Net cash provided by investing activities	1,922	2,675
Cash flows from financing activities:
Issuances of common stock	2	8
Repurchases of common stock—repurchase program	(784)	(5,076)
Shares repurchased for tax withholdings on vesting of restricted stock units	(194)	(318)
Short-term borrowings, original maturities of 90 days or less, net	(3,470)	0
Repayments of debt	(2,720)	0
Dividends paid	(1,486)	(1,500)
Other	(16)	(59)
Net cash used in financing activities	(8,668)	(6,945)
Net decrease in cash, cash equivalents, and restricted cash	(3,159)	(507)
Cash, cash equivalents, and restricted cash, beginning of period	11,772	8,993
Cash, cash equivalents, and restricted cash, end of period	8,613	8,486
Supplemental cash flow information:
Cash paid for interest	204	271
Cash paid for income taxes, net	$ 1,009	$ 869