Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash provided by (used for) operating activities
Net income (loss)	$ 946	$ (292)
Gain on disposal of businesses and assets	(48)	0
Depreciation and amortization	803	834
Deferred and prepaid income taxes	(49)	(13)
Stock-based compensation expense	145	128
Intangible asset impairment charges	173	452
Net loss (gain) on investments and notes receivable	(208)	(29)
Contingent consideration net expense (benefit)	(117)	(102)
Inventory step-up amortization	15	42
Foreign exchange (gain) loss	17	13
Other, net	32	46
Trade accounts receivable	(131)	242
Inventories	(315)	(1)
Other assets	(145)	(119)
Accounts payable, accrued expenses and other liabilities	275	(364)
Cash provided by (used for) operating activities	1,392	835
Investing activities:
Purchases of property, plant and equipment	(288)	(217)
Proceeds from sale of property, plant and equipment	10	6
Payments for acquisitions of businesses, net of cash acquired	(2,014)	(3)
Proceeds from royalty rights	62	66
Payments for investments and acquisitions of certain technologies	(51)	(130)
Proceeds from sale of investments and disposition of certain assets	329	0
Proceeds from disposal of businesses	801	15
Payments for Hedge, Investing Activities	15	0
Cash provided by (used for) investing activities	(1,136)	(264)
Financing activities:
Payment of contingent consideration previously established in purchase accounting	(14)	(35)
Payments for royalty rights	(85)	(97)
Payments on short-term borrowings	0	(2,950)
Proceeds from short-term borrowings, net of debt issuance costs	0	2,245
Net increase (decrease) in commercial paper	0	(714)
Payments on borrowings from credit facilities	0	(1,919)
Proceeds from borrowings on credit facilities	0	1,916
Payments on long-term borrowings and debt extinguishment costs	0	(1,000)
Proceeds from long-term borrowings, net of debt issuance costs	0	1,683
Cash dividends paid on preferred stock	(42)	(14)
Net proceeds from issuance of preferred stock in connection with public offering	0	975
Net proceeds from issuance of common stock in connection with public offering	0	975
Cash used to net share settle employee equity awards	(48)	(59)
Proceeds from issuances of common stock pursuant to employee stock compensation and purchase plans	102	107
Cash provided by (used for) financing activities	(87)	1,112
Effect of foreign exchange rates on cash	(5)	(8)
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	164	1,675
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period	1,995	607
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	2,159	2,282
Supplemental Information
Stock-based compensation expense	145	128
Fair value of contingent consideration recorded in purchase accounting	384	0
Non-cash impact of transferred royalty rights	$ (62)	$ (66)