CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities
Net income	$ 955	$ 1,175
Adjustments to reconcile net income to cash provided by operating activities
Depreciation	1,052	1,012
Amortization of intangibles	620	622
Stock-based compensation	213	189
Net (gain)/loss on asset sales and other	7	315
Changes in operating assets and liabilities, net of acquisitions/divestitures	2,066	1,162
Net cash provided by operating activities	4,914	4,476
Cash flows from investing activities
Payments for property, plant and equipment	(494)	(630)
Proceeds from disposition of property, plant and equipment	139	46
Investment in software	(175)	(153)
Acquisition of businesses, net of cash acquired	(1,120)	(13)
Divestiture of businesses, net of cash transferred	(15)	26
Non-operating finance receivables - net	(9)	(20)
Purchases of marketable securities and other investments	(875)	(1,096)
Proceeds from disposition of marketable securities and other investments	549	938
Net cash provided by/(used in) investing activities	(2,000)	(902)
Cash flows from financing activities
Proceeds from new debt	51	6,055
Payments to settle debt	(4,261)	(5,285)
Short-term borrowings/(repayments) less than 90 days - net	(89)	586
Common stock repurchases for tax withholdings	(41)	(44)
Financing - other	15	13
Cash dividends paid	(1,457)	(1,440)
Net cash provided by/(used in) financing activities	(5,783)	(115)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(134)	(403)
Net change in cash, cash equivalents and restricted cash	(3,002)	3,057
Cash, cash equivalents and restricted cash at January 1	13,675	8,314
Cash, cash equivalents and restricted cash at December 31	$ 10,673	$ 11,371