Acquisitions and Acquisition-Related Items - Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jan. 27, 2017	Aug. 23, 2016	Aug. 05, 2016	Apr. 29, 2016
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	$ 41,224			$ 41,500
Heartware International, Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other current assets		$ 351
Property, plant, and equipment		13
Other intangible assets		625
Goodwill		479
Other assets		55
Total assets acquired		1,523
Current liabilities		144
Deferred tax liabilities		60
Long-term debt		245
Other liabilities		2
Total liabilities assumed		451
Net assets acquired		$ 1,072
Smith & Nephew's Gynecology Business [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other current assets			$ 0
Property, plant, and equipment			3
Other intangible assets			167
Goodwill			180
Other assets			0
Total assets acquired			350
Current liabilities			0
Deferred tax liabilities			0
Long-term debt			0
Other liabilities			0
Total liabilities assumed			0
Net assets acquired			$ 350
All Other [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other current assets	17
Property, plant, and equipment	4
Other intangible assets	65
Goodwill	113
Other assets	15
Total assets acquired	214
Current liabilities	9
Deferred tax liabilities	9
Long-term debt	0
Other liabilities	4
Total liabilities assumed	22
Net assets acquired	192
2017 Acquisitions [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other current assets	368
Property, plant, and equipment	20
Other intangible assets	857
Goodwill	772
Other assets	70
Total assets acquired	2,087
Current liabilities	153
Deferred tax liabilities	69
Long-term debt	245
Other liabilities	6
Total liabilities assumed	473
Net assets acquired	$ 1,614