Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Cash flows from operating activities:
Consolidated net income	$ 7,175	$ 10,513
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	5,302	5,562
Net unrealized and realized (gains) and losses	3,019	(4,006)
Losses on disposal of business operations	433	37
Deferred income taxes	(385)	472
Other operating activities	606	305
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	452	823
Inventories	(2,725)	2,466
Accounts payable	119	1,052
Accrued liabilities	(1,412)	1,428
Accrued income taxes	(161)	304
Net cash provided by operating activities	12,423	18,956
Cash flows from investing activities:
Payments for property and equipment	(5,019)	(3,569)
Proceeds from the disposal of property and equipment	176	83
Proceeds from disposal of certain operations, net of divested cash	7,935	0
Payments for business acquisitions, net of cash acquired	(248)	(175)
Other investing activities	(442)	27
Net cash provided by (used in) investing activities	2,402	(3,634)
Cash flows from financing activities:
Net change in short-term borrowings	441	(178)
Repayments of long-term debt	(3,010)	(2,937)
Dividends paid	(3,091)	(3,058)
Purchase of Company stock	(5,200)	(723)
Dividends paid to noncontrolling interest	(14)	(66)
Other financing activities	(685)	(852)
Net cash used in financing activities	(11,559)	(7,814)
Effect of exchange rates on cash, cash equivalents and restricted cash	(21)	(69)
Net increase in cash, cash equivalents and restricted cash	3,245	7,439
Change in cash and cash equivalents classified as held for sale	1,848	0
Cash, cash equivalents and restricted cash at beginning of year	17,788	9,515
Cash, cash equivalents and restricted cash at end of period	$ 22,881	$ 16,954