Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Cash flows from operating activities:
Consolidated net income	$ 10,513	$ 7,586
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	5,562	5,436
Unrealized (gains) and losses	(4,006)	(731)
Loss on disposal of business operations	37	0
Deferred income taxes	472	241
Other operating activities	305	348
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	823	978
Inventories	2,466	220
Accounts payable	1,052	(1,242)
Accrued liabilities	1,428	(1,657)
Accrued income taxes	304	6
Net cash provided by operating activities	18,956	11,185
Cash flows from investing activities:
Payments for property and equipment	(3,569)	(4,871)
Proceeds from the disposal of property and equipment	83	128
Proceeds from the disposal of certain operations	0	833
Payments for business acquisitions, net of cash acquired	(175)	(56)
Other investing activities	27	142
Net cash used in investing activities	(3,634)	(3,824)
Cash flows from financing activities:
Net change in short-term borrowings	(178)	(1,564)
Proceeds from issuance of long-term debt	0	4,020
Repayments of long-term debt	(2,937)	(407)
Dividends paid	(3,058)	(3,036)
Purchase of Company stock	(723)	(3,707)
Dividends paid to noncontrolling interest	(66)	(259)
Other financing activities	(852)	(578)
Net cash used in financing activities	(7,814)	(5,531)
Effect of exchange rates on cash, cash equivalents and restricted cash	(69)	(266)
Net increase in cash, cash equivalents and restricted cash	7,439	1,564
Cash, cash equivalents and restricted cash at beginning of year	9,515	7,756
Cash, cash equivalents and restricted cash at end of period	$ 16,954	$ 9,320