Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Cash flows from operating activities:
Consolidated net income	$ 1,896	$ 2,103
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	2,845	2,680
Investment (gains) and losses, net	3,062	1,989
Deferred income taxes	(725)	(69)
Other operating activities	249	(59)
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	376	837
Inventories	(154)	(4,699)
Accounts payable	971	(1,640)
Accrued liabilities	(4,447)	(4,949)
Accrued income taxes	560	49
Net cash provided by (used in) operating activities	4,633	(3,758)
Cash flows from investing activities:
Payments for property and equipment	(4,429)	(3,539)
Proceeds from the disposal of property and equipment	47	35
Proceeds from disposal of certain operations	48	0
Payments for business acquisitions, net of cash acquired	0	(598)
Other investing activities	(526)	(456)
Net cash used in investing activities	(4,860)	(4,558)
Cash flows from financing activities:
Net change in short-term borrowings	1,343	10,995
Proceeds from issuance of long-term debt	4,967	0
Repayments of long-term debt	(1,784)	(926)
Dividends paid	(1,538)	(1,543)
Purchase of Company stock	(686)	(2,408)
Sale of subsidiary stock	483	35
Other financing activities	(845)	(838)
Net cash provided by financing activities	1,940	5,315
Effect of exchange rates on cash, cash equivalents and restricted cash	154	49
Net increase (decrease) in cash, cash equivalents and restricted cash	1,867	(2,952)
Cash, cash equivalents and restricted cash at beginning of year	8,841	14,834
Cash, cash equivalents and restricted cash at end of period	$ 10,708	$ 11,882