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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 12 Months Ended
Jan. 30, 2022
Jan. 31, 2021
Jan. 26, 2020
Cash flows from operating activities:      
Net income $ 9,752 $ 4,332 $ 2,796
Adjustments to reconcile net income to net cash provided by operating activities:      
Stock-based compensation expense 2,004 1,397 844
Depreciation and amortization 1,174 1,098 381
Deferred income taxes (406) (282) 18
(Gains) losses on investments in non-affiliates, net (100) 0 1
Other 47 (20) 4
Changes in operating assets and liabilities, net of acquisitions:      
Accounts receivable (2,215) (550) (233)
Inventories (774) (524) 597
Prepaid expenses and other assets (1,715) (394) 77
Accounts payable 568 312 194
Accrued and other current liabilities 581 290 54
Other long-term liabilities 192 163 28
Net cash provided by operating activities 9,108 5,822 4,761
Cash flows from investing activities:      
Proceeds from maturities of marketable securities 15,197 8,792 4,744
Proceeds from sales of marketable securities 1,023 527 3,365
Purchases of marketable securities (24,787) (19,308) (1,461)
Purchases related to property and equipment and intangible assets (976) (1,128) (489)
Acquisitions, net of cash acquired (263) (8,524) (4)
Investments and other, net (24) (34) (10)
Net cash provided by (used in) investing activities (9,830) (19,675) 6,145
Cash flows from financing activities:      
Issuance of debt, net of issuance costs 4,977 4,968 0
Proceeds related to employee stock plans 281 194 149
Payments related to tax on restricted stock units (1,904) (942) (551)
Repayment of debt (1,000) 0 0
Dividends paid (399) (395) (390)
Principal payments on property and equipment (83) (17) 0
Other (7) (4) 0
Net cash provided by (used in) financing activities 1,865 3,804 (792)
Change in cash and cash equivalents 1,143 (10,049) 10,114
Cash and cash equivalents at beginning of period 847 10,896 782
Cash and cash equivalents at end of period 1,990 847 10,896
Supplemental disclosures of cash flow information:      
Cash paid for income taxes, net 396 249 176
Cash paid for interest $ 246 $ 138 $ 54