Acquisitions (Allocation Of The Preliminary Purchase Price To The Acquired Net Assets (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 30, 2016	Mar. 31, 2017	Dec. 31, 2016	Apr. 05, 2016	Apr. 01, 2016
Goodwill		$ 6,393	$ 6,356
Sage Products
Purchase price paid	$ 2,870
Contingent consideration					$ 5
Loss on settlement of pre-existing contract	0
Total consideration	$ 2,875
Cash					91
Accounts receivable					29
Inventory					63
Other assets					80
Liabilities					(83)
Goodwill					1,522
Assets and liabilities acquired, net					2,875
Weighted-average life of intangible assets	15 years
Sage Products | Customer relationship
Intangible assets acquired					930
Sage Products | Trade name
Intangible assets acquired					70
Sage Products | Developed technology and patents
Intangible assets acquired					173
Sage Products | Non-compete
Intangible assets acquired					0
Sage Products | IPR&D
Intangible assets acquired					$ 0
Physio Acquisition
Purchase price paid	$ 1,299
Contingent consideration				$ 0
Loss on settlement of pre-existing contract	0
Total consideration	$ 1,299
Cash				32
Accounts receivable				107
Inventory				61
Other assets				103
Liabilities				(364)
Goodwill				623
Assets and liabilities acquired, net				1,299
Weighted-average life of intangible assets	14 years
Physio Acquisition | Customer relationship
Intangible assets acquired				344
Physio Acquisition | Trade name
Intangible assets acquired				160
Physio Acquisition | Developed technology and patents
Intangible assets acquired				226
Physio Acquisition | Non-compete
Intangible assets acquired				0
Physio Acquisition | IPR&D
Intangible assets acquired				$ 7
Other
Purchase price paid		9	348
Contingent consideration		3	27
Loss on settlement of pre-existing contract		0	(19)
Total consideration		12	356
Cash		0	1
Accounts receivable		0	17
Inventory		0	5
Other assets		0	21
Liabilities		0	(29)
Goodwill		0	191
Assets and liabilities acquired, net		$ 12	$ 356
Weighted-average life of intangible assets		15 years	12 years
Other | Customer relationship
Intangible assets acquired		$ 0	$ 12
Other | Trade name
Intangible assets acquired		0	10
Other | Developed technology and patents
Intangible assets acquired		12	119
Other | Non-compete
Intangible assets acquired		0	2
Other | IPR&D
Intangible assets acquired		$ 0	$ 7