Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Cash flows from operating activities:
Consolidated net income	$ 7,179	$ 10,523	$ 14,293
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	10,678	10,529	10,080
Unrealized Gain (Loss) on Investments	3,516	0	0
(Gains) and losses for disposal of business operations	4,850	0	0
Deferred income taxes	(499)	(304)	761
Loss on extinguishment of debt	0	3,136	0
Other operating activities	1,734	1,210	206
Changes in certain assets and liabilities, net of effects of acquisitions:
Receivables, net	(368)	(1,074)	(402)
Inventories	(1,311)	(140)	1,021
Accounts payable	1,831	4,086	3,942
Accrued liabilities	183	928	1,280
Accrued income taxes	(40)	(557)	492
Net cash provided by operating activities	27,753	28,337	31,673
Cash flows from investing activities:
Payments for property and equipment	(10,344)	(10,051)	(10,619)
Proceeds from the disposal of property and equipment	519	378	456
Proceeds from the disposal of certain operations	876	1,046	662
Purchase of available for sale securities	0	0	(1,901)
Payments for business acquisitions, net of cash acquired	(14,656)	(375)	(2,463)
Other investing activities	(431)	(77)	(31)
Net cash used in investing activities	(24,036)	(9,079)	(13,896)
Cash flows from financing activities:
Net change in short-term borrowings	(53)	4,148	(1,673)
Proceeds from issuance of long-term debt	15,872	7,476	137
Repayments of long-term debt	(3,784)	(13,061)	(2,055)
Premiums paid to extinguish debt	0	(3,059)	0
Dividends paid	(6,102)	(6,124)	(6,216)
Purchase of Company stock	(7,410)	(8,296)	(8,298)
Dividends paid to noncontrolling interest	(431)	(690)	(479)
Purchase of noncontrolling interest	0	(8)	(90)
Other financing activities	(629)	(261)	(398)
Net cash used in financing activities	(2,537)	(19,875)	(19,072)
Effect of Exchange Rate on Cash, Cash Equivalents, and Restricted Cash	(438)	487	(452)
Net increase (decrease) in cash, cash equivalents and restricted cash	742	(130)	(1,747)
Cash, cash equivalents and restricted cash at beginning of year	7,014	7,144	8,891
Cash, cash equivalents and restricted cash at end of period	7,756	7,014	7,144
Supplemental disclosure of cash flow information:
Income taxes paid	3,982	6,179	4,507
Interest paid	$ 2,348	$ 2,450	$ 2,351