Acquisitions Acquisitions (Allocation Of The Preliminary Purchase Price To The Acquired Net Assets Of The Trauson Acquisition (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Goodwill	4,099us-gaap_Goodwill	4,186us-gaap_Goodwill
Other Intangible Assets [Member]
Tangible assets acquired:	11 years	12 years
Small Bone Innovations
Purchase price paid		358
Cash		0
Inventory		34
Other assets		4
Liabilities		(2)
Goodwill		221
Assets and liabilities acquired, net		358
Tangible assets acquired:		12 years
Berchtold
Purchase price paid		184
Cash		12
Inventory		22
Other assets		38
Liabilities		(45)
Goodwill		107
Assets and liabilities acquired, net		184
Tangible assets acquired:		8 years
PST
Purchase price paid		120
Cash		0
Inventory		7
Other assets		19
Liabilities		(31)
Goodwill		66
Assets and liabilities acquired, net		120
Tangible assets acquired:		14 years
Other
Purchase price paid	70	216
Cash	0	0
Inventory	5	5
Other assets	12	25
Liabilities	(4)	(29)
Goodwill	19	93
Assets and liabilities acquired, net	70	216
Customer relationship \| Small Bone Innovations
Intangible assets:		19
Customer relationship \| Berchtold
Intangible assets:		11
Customer relationship \| PST
Intangible assets:		33
Customer relationship \| Other
Intangible assets:	9	5
Trade name \| Small Bone Innovations
Intangible assets:		0
Trade name \| Berchtold
Intangible assets:		7
Trade name \| PST
Intangible assets:		0
Trade name \| Other
Intangible assets:	1	0
Developed technology & patents \| Small Bone Innovations
Intangible assets:		82
Developed technology & patents \| Berchtold
Intangible assets:		32
Developed technology & patents \| PST
Intangible assets:		26
Developed technology & patents \| Other
Intangible assets:	26	115
Noncompete Agreements \| Small Bone Innovations
Intangible assets:		0
Noncompete Agreements \| Berchtold
Intangible assets:		0
Noncompete Agreements \| PST
Intangible assets:		0
Noncompete Agreements \| Other
Intangible assets:	2	0
IPRD \| Small Bone Innovations
Intangible assets:		0
IPRD \| Berchtold
Intangible assets:		0
IPRD \| PST
Intangible assets:		0
IPRD \| Other
Intangible assets:	0	2

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