Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Cash flows from operating activities:
Consolidated net income	$ 4,074	$ 3,906
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	2,791	2,714
Unrealized (gains) and losses	(783)	(783)
Deferred income taxes	84	124
Other operating activities	(51)	75
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	924	970
Inventories	2,221	(421)
Accounts payable	(1,183)	(1,854)
Accrued liabilities	(2,109)	(1,514)
Accrued income taxes	1,049	346
Net cash provided by operating activities	7,017	3,563
Cash flows from investing activities:
Payments for property and equipment	(1,752)	(2,205)
Proceeds from the disposal of property and equipment	60	42
Proceeds from the disposal of certain operations	0	833
Payments for business acquisitions, net of cash acquired	(10)	(56)
Other investing activities	6	251
Net cash used in investing activities	(1,696)	(1,135)
Cash flows from financing activities:
Net change in short-term borrowings	3,542	(399)
Proceeds from issuance of long-term debt	0	3,978
Repayments of long-term debt	0	(364)
Dividends paid	(1,529)	(1,520)
Purchase of Company stock	(723)	(2,135)
Dividends paid to noncontrolling interest	0	(96)
Other financing activities	(725)	(310)
Net cash provided by (used in) financing activities	565	(846)
Effect of exchange rates on cash, cash equivalents and restricted cash	(415)	(46)
Net increase in cash, cash equivalents and restricted cash	5,471	1,536
Cash, cash equivalents and restricted cash at beginning of year	9,514	7,756
Cash, cash equivalents and restricted cash at end of period	$ 14,985	$ 9,292