Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Cash flows from operating activities:
Consolidated net income	$ 13,940	$ 13,706	$ 15,201
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	10,658	11,152	10,987
Net unrealized and realized (gains) and losses	2,440	(8,589)	(1,886)
Losses on disposal of business operations	433	8,401	15
Asda pension contribution	0	0	(1,036)
Deferred income taxes	(755)	1,911	320
Loss on extinguishment of debt	2,410	0	0
Other operating activities	1,652	1,521	1,981
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	(1,796)	(1,086)	154
Inventories	(11,764)	(2,395)	(300)
Accounts payable	5,520	6,966	(274)
Accrued liabilities	1,404	4,623	186
Accrued income taxes	39	(136)	(93)
Net cash provided by operating activities	24,181	36,074	25,255
Cash flows from investing activities:
Payments for property and equipment	(13,106)	(10,264)	(10,705)
Proceeds from the disposal of property and equipment	394	215	321
Proceeds from disposal of certain operations, net of divested cash	7,935	56	833
Payments for business acquisitions, net of cash acquired	(359)	(180)	(56)
Other investing activities	(879)	102	479
Net cash used in investing activities	(6,015)	(10,071)	(9,128)
Cash flows from financing activities:
Net change in short-term borrowings	193	(324)	(4,656)
Proceeds from issuance of long-term debt	6,945	0	5,492
Repayments of long-term debt	(13,010)	(5,382)	(1,907)
Premiums paid to extinguish debt	(2,317)	0	0
Dividends paid	(6,152)	(6,116)	(6,048)
Purchase of Company stock	(9,787)	(2,625)	(5,717)
Dividends paid to noncontrolling interest	(424)	(434)	(555)
Sale of subsidiary stock	3,239	140	52
Other financing activities	(1,515)	(1,376)	(960)
Net cash used in financing activities	(22,828)	(16,117)	(14,299)
Effect of exchange rates on cash, cash equivalents and restricted cash	(140)	235	(69)
Net increase (decrease) in cash, cash equivalents and restricted cash	(4,802)	10,121	1,759
Change in cash and cash equivalents reclassified from (to) assets held for sale	1,848	(1,848)	0
Cash, cash equivalents and restricted cash at beginning of year	17,788	9,515	7,756
Cash, cash equivalents and restricted cash at end of year	14,834	17,788	9,515
Supplemental disclosure of cash flow information:
Income taxes paid	5,918	5,271	3,616
Interest paid	$ 2,237	$ 2,216	$ 2,464