- Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016
Goodwill [Roll Forward]
Goodwill beginning of period	$ 21,629	$ 21,832
Goodwill, related to acquisitions	1,572	510
Goodwill, related to divestitures	(75)	(193)
Currency translation/other	(321)	(520)
Goodwill end of period	22,805	21,629
Consumer
Goodwill [Roll Forward]
Goodwill beginning of period	7,240	7,675
Goodwill, related to acquisitions	1,362	110
Goodwill, related to divestitures	(63)	(119)
Currency translation/other	(276)	(426)
Goodwill end of period	8,263	7,240
Pharmaceutical
Goodwill [Roll Forward]
Goodwill beginning of period	2,889	2,626
Goodwill, related to acquisitions	0	366
Goodwill, related to divestitures	(12)	(17)
Currency translation/other	(37)	(86)
Goodwill end of period	2,840	2,889
Med Devices
Goodwill [Roll Forward]
Goodwill beginning of period	11,500	11,531
Goodwill, related to acquisitions	210	34
Goodwill, related to divestitures	0	(57)
Currency translation/other	(8)	(8)
Goodwill end of period	$ 11,702	$ 11,500