Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Cash flows from operating activities:
Consolidated net income	$ 5,307	$ 1,896
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	3,128	2,845
Investment (gains) and losses, net	(639)	3,062
Deferred income taxes	102	(725)
Other operating activities	507	249
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	(154)	376
Inventories	(529)	(154)
Accounts payable	213	971
Accrued liabilities	(4,649)	(4,447)
Accrued income taxes	963	560
Net cash provided by operating activities	4,249	4,633
Cash flows from investing activities:
Payments for property and equipment	(4,676)	(4,429)
Proceeds from the disposal of property and equipment	72	47
Proceeds from disposal of certain operations	0	48
Other investing activities	195	(526)
Net cash used in investing activities	(4,409)	(4,860)
Cash flows from financing activities:
Net change in short-term borrowings	4,585	1,343
Proceeds from issuance of long-term debt	0	4,967
Repayments of long-term debt	(1,574)	(1,784)
Dividends paid	(1,671)	(1,538)
Purchase of Company stock	(1,059)	(686)
Sale of subsidiary stock	15	483
Other financing activities	(617)	(845)
Net cash provided by (used in) financing activities	(321)	1,940
Effect of exchange rates on cash, cash equivalents and restricted cash	6	154
Net increase (decrease) in cash, cash equivalents and restricted cash	(475)	1,867
Cash, cash equivalents and restricted cash at beginning of year	9,935	8,841
Cash, cash equivalents and restricted cash at end of period	$ 9,460	$ 10,708