Acquisitions (Fair Values of the Assets Acquired and Liabilities) (Details) - USD ($) $ in Millions		12 Months Ended
	Aug. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2022	Mar. 31, 2020
Business Acquisition [Line Items]
Goodwill		$ 39,752	$ 41,184	$ 35,420	$ 38,251
Net cash consideration		637	10,961	20,971
Total Acquisitions
Business Acquisition [Line Items]
Trade accounts receivable		10	65	487
Inventories		9	120	934
Property, plant and equipment		9	162	690
Goodwill		427	7,235	10,402
Other intangible assets, primarily technology, customer relationships and trade names		218	4,021	10,712
Trade accounts payable		(4)	(23)	(250)
Pension liabilities		0	0	(423)
Deferred tax liabilities		(14)	(367)	(1,167)
Other assets and liabilities, net		(18)	(177)	(414)
Net assets acquired		637	11,036	20,971
Less: noncash consideration		0	(75)	0
Net cash consideration		637	10,961	20,971
Aldevron
Business Acquisition [Line Items]
Trade accounts receivable			46
Inventories			93
Property, plant and equipment			150
Goodwill			6,149
Other intangible assets, primarily technology, customer relationships and trade names			3,483
Trade accounts payable			(15)
Deferred tax liabilities			(249)
Other assets and liabilities, net			(73)
Net assets acquired			9,584
Less: noncash consideration			(23)
Net cash consideration	$ 9,600		9,561
Cytiva
Business Acquisition [Line Items]
Trade accounts receivable				482
Inventories				930
Property, plant and equipment				689
Goodwill				10,171
Other intangible assets, primarily technology, customer relationships and trade names				10,656
Trade accounts payable				(247)
Pension liabilities				(423)		$ (400)
Deferred tax liabilities				(1,157)
Other assets and liabilities, net				(386)
Net cash consideration				20,715
Other Business Acquisitions
Business Acquisition [Line Items]
Trade accounts receivable			19	5
Inventories			27	4
Property, plant and equipment			12	1
Goodwill		$ 427	1,086	231
Other intangible assets, primarily technology, customer relationships and trade names			538	56
Trade accounts payable			(8)	(3)
Pension liabilities				0
Deferred tax liabilities			(118)	(10)
Other assets and liabilities, net			(104)	(28)
Net assets acquired			1,452
Less: noncash consideration			(52)
Net cash consideration			$ 1,400	$ 256