Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Income Statement [Abstract]
Net sales	$ 6,076	$ 6,383	$ 18,441	$ 19,377
Cost of products sold	4,129	4,289	12,401	12,672
Gross profit	1,947	2,094	6,040	6,705
Selling, general and administrative expenses, excluding impairment losses	762	803	2,341	2,323
Goodwill impairment losses	0	0	744	133
Intangible asset impairment losses	5	217	479	318
Selling, general and administrative expenses	767	1,020	3,564	2,774
Operating income/(loss)	1,180	1,074	2,476	3,931
Interest expense	398	326	1,035	959
Other expense/(income)	(380)	(71)	(893)	(181)
Income/(loss) before income taxes	1,162	819	2,334	3,153
Provision for/(benefit from) income taxes	264	201	584	779
Net income/(loss)	898	618	1,750	2,374
Net income/(loss) attributable to noncontrolling interest	(1)	(1)	(3)	(2)
Net income/(loss) attributable to common shareholders	$ 899	$ 619	$ 1,753	$ 2,376
Per share data applicable to common shareholders:
Basic earnings/(loss) per share (in dollars per share)	$ 0.74	$ 0.51	$ 1.44	$ 1.95
Diluted earnings/(loss) per share (in dollars per share)	$ 0.74	$ 0.50	$ 1.43	$ 1.94