Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income (loss)	$ (82,000,000)	$ 4,700,000,000	$ 1,671,000,000
Adjustments to reconcile net income (loss) to cash provided by (used for) operating activities
Gain on sale of businesses	0	(8,000,000)	0
Depreciation and amortization	1,123,000,000	1,011,000,000	894,000,000
Deferred and prepaid income taxes	(82,000,000)	(4,301,000,000)	(87,000,000)
Stock-based compensation expense	170,000,000	157,000,000	140,000,000
Goodwill and other intangible asset impairment charges	533,000,000	105,000,000	35,000,000
Net loss (gain) on investments and notes receivable	(398,000,000)	30,000,000	(155,000,000)
Contingent consideration net expense (benefit)	(100,000,000)	(35,000,000)	(21,000,000)
Inventory step-up amortization	58,000,000	46,000,000	6,000,000
Foreign exchange (gain) loss	32,000,000	358,000,000	(11,000,000)
Other, net	213,000,000	63,000,000	8,000,000
Increase (decrease) in operating assets and liabilities, excluding purchase accounting:
Trade accounts receivable	335,000,000	(130,000,000)	(110,000,000)
Inventories	(65,000,000)	(290,000,000)	(83,000,000)
Other assets	(200,000,000)	45,000,000	(172,000,000)
Accounts payable and accrued expenses	88,000,000	105,000,000	(640,000,000)
Other liabilities	(116,000,000)	(18,000,000)	(1,164,000,000)
Cash provided by (used for) operating activities	1,508,000,000	1,836,000,000	310,000,000
Investing Activities
Purchases of property, plant and equipment	(376,000,000)	(461,000,000)	(316,000,000)
Proceeds on disposals of property, plant and equipment	12,000,000	7,000,000	14,000,000
Payments for acquisitions of businesses, net of cash acquired	(3,000,000)	(4,382,000,000)	(1,448,000,000)
Proceeds from divestiture of certain businesses	15,000,000	90,000,000	0
Proceeds from royalty rights	87,000,000	52,000,000	0
Payments for settlements of hedge contracts	0	(199,000,000)	0
Payments for investments and acquisitions of certain technologies	(146,000,000)	(149,000,000)	(172,000,000)
Cash provided by (used for) investing activities	(411,000,000)	(5,041,000,000)	(1,921,000,000)
Financing Activities
Payment of contingent consideration previously established in purchase accounting	(49,000,000)	(66,000,000)	(19,000,000)
Payments for royalty rights	(97,000,000)	(69,000,000)	0
Proceeds from royalty rights transfer	0	256,000,000	0
Payments on short-term borrowings	(2,950,000,000)	(1,000,000,000)	0
Proceeds from short-term borrowings, net of debt issuance costs	2,245,000,000	700,000,000	999,000,000
Net increase (decrease) in commercial paper	(714,000,000)	(575,000,000)	21,000,000
Payments on borrowings from credit facilities	(1,919,000,000)	0	(569,000,000)
Proceeds from borrowings on credit facilities	1,916,000,000	0	569,000,000
Payments on long-term borrowings and debt extinguishment costs	(1,260,000,000)	(3,560,000,000)	(602,000,000)
Proceeds from long-term borrowings, net of debt issuance costs	1,683,000,000	7,229,000,000	987,000,000
Cash dividends paid on preferred stock	(28,000,000)	0	0
Net proceeds from issuance of preferred stock in connection with public offering	975,000,000	0	0
Net proceeds from issuance of common stock in connection with public offering	975,000,000	0	0
Payments for repurchase of common stock	(535,000,000)	0	0
Cash used to net share settle employee equity awards	(59,000,000)	(65,000,000)	(56,000,000)
Proceeds from issuances of shares of common stock pursuant to employee stock compensation and purchase plans	111,000,000	123,000,000	101,000,000
Cash provided by (used for) financing activities	293,000,000	2,973,000,000	1,432,000,000
Effect of foreign exchange rates on cash	(2,000,000)	10,000,000	(8,000,000)
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	1,388,000,000	(222,000,000)	(188,000,000)
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period	607,000,000	829,000,000	1,017,000,000
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	1,995,000,000	607,000,000	829,000,000
Supplemental Information
Cash (received) paid for income taxes, net	207,000,000	242,000,000	1,037,000,000
Cash paid for interest	359,000,000	449,000,000	262,000,000
Fair value of contingent consideration recorded in purchase accounting	0	127,000,000	248,000,000
Non-cash impact of transferred royalty rights	$ (87,000,000)	$ 0	$ 0