CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jul. 26, 2020	Jul. 28, 2019
Cash flows from operating activities:
Net income	$ 1,539	$ 947
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	598	401
Depreciation and amortization	511	183
Deferred income taxes	(64)	(27)
Other	(5)	1
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(205)	(137)
Inventories	(97)	378
Prepaid expenses and other assets	34	36
Accounts payable	63	(45)
Accrued and other current liabilities	81	(79)
Other long-term liabilities	21	(2)
Net cash provided by operating activities	2,476	1,656
Cash flows from investing activities:
Proceeds from maturities of marketable securities	1,032	3,592
Proceeds from sales of marketable securities	259	3,152
Purchases of marketable securities	(8,286)	(1,461)
Acquisition of businesses, net of cash acquired	(7,171)	0
Purchases of property and equipment and intangible assets	(372)	(241)
Investments and other, net	(7)	(2)
Net cash provided by (used in) investing activities	(14,545)	5,040
Cash flows from financing activities:
Issuance of debt, net of issuance costs	4,971	0
Proceeds related to employee stock plans	94	83
Payments related to tax on restricted stock units	(418)	(261)
Dividends paid	(197)	(195)
Other	(3)	0
Net cash provided by (used in) financing activities	4,447	(373)
Change in cash and cash equivalents	(7,622)	6,323
Cash and cash equivalents at beginning of period	10,896	782
Cash and cash equivalents at end of period	3,274	7,105
Other non-cash investing activity:
Assets acquired by assuming related liabilities	$ 257	$ 80