Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Cash flows from operating activities:
Consolidated net income	$ 15,714	$ 10,907
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	8,333	8,159
Unrealized (gains) and losses	(6,883)	(911)
Losses and (gains) on disposal of business operations	1,028	(1)
Deferred income taxes	1,246	574
Other operating activities	930	938
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	165	661
Inventories	(8,260)	(7,558)
Accounts payable	8,553	2,925
Accrued liabilities	1,796	(1,107)
Accrued income taxes	258	(48)
Net cash provided by operating activities	22,880	14,539
Cash flows from investing activities:
Payments for property and equipment	(6,438)	(7,765)
Proceeds from the disposal of property and equipment	99	218
Proceeds from the disposal of certain operations	12	833
Payments for business acquisitions, net of cash acquired	(180)	(56)
Other investing activities	0	485
Net cash used in investing activities	(6,507)	(6,285)
Cash flows from financing activities:
Net change in short-term borrowings	(301)	(282)
Proceeds from issuance of long-term debt	0	5,492
Repayments of long-term debt	(4,132)	(1,907)
Dividends paid	(4,582)	(4,545)
Purchase of Company stock	(1,186)	(4,829)
Dividends paid to noncontrolling interest	(76)	(407)
Other financing activities	(1,063)	(735)
Net cash used in financing activities	(11,340)	(7,213)
Effect of exchange rates on cash, cash equivalents and restricted cash	(170)	(166)
Net increase in cash, cash equivalents and restricted cash	4,863	875
Cash, cash equivalents and restricted cash at beginning of year	9,515	7,756
Cash, cash equivalents and restricted cash at end of period	$ 14,378	$ 8,631