Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 5,959	$ 6,304
Cost of products sold	3,948	4,040
Gross profit	2,011	2,264
Selling, general and administrative expenses, excluding impairment losses	829	764
Goodwill impairment losses	620	0
Intangible asset impairment losses	0	0
Selling, general and administrative expenses	1,449	764
Operating income/(loss)	562	1,500
Interest expense	321	317
Other expense/(income)	(380)	(90)
Income/(loss) before income taxes	621	1,273
Provision for/(benefit from) income taxes	217	270
Net income/(loss)	404	1,003
Net income/(loss) attributable to noncontrolling interest	(1)	0
Net income/(loss) attributable to common shareholders	$ 405	$ 1,003
Per share data applicable to common shareholders:
Basic earnings/(loss) per share (in dollars per share)	$ 0.33	$ 0.82
Diluted earnings/(loss) per share (in dollars per share)	$ 0.33	$ 0.82