Acquistions and Divestitures - Acquisitions (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Business Acquisitions Information
Purchase price paid for business combinations (net of cash acquired)	$ 2,910	$ 94
Accounts receivable	103
Inventory	103
Other current assets	15
Property, plant and equipment	174
Purchased finite-lived intangible assets	1,389
Purchased goodwill	2,505
Accounts payable and other liabilities, net of other assets	(200)
Interest bearing debt	(767)
Deferred tax asset/(liability)	(412)
Net assets acquired	2,910
Supplemental information:
Cash paid	2,945
Cash Acquired from Acquisition	35
Cash paid, net of cash acquired	$ 2,910	$ 94
Maximum
Business Acquisitions Information
Intangible assets useful life	23 years
Minimum
Business Acquisitions Information
Intangible assets useful life	2 years
Weighted Average [Member]
Business Acquisitions Information
Intangible assets useful life	17 years
Capital Safety
Business Acquisitions Information
Purchase price paid for business combinations (net of cash acquired)	$ 1,720
Accounts receivable	66
Inventory	64
Other current assets	10
Property, plant and equipment	35
Purchased finite-lived intangible assets	1,009
Purchased goodwill	1,782
Accounts payable and other liabilities, net of other assets	(77)
Interest bearing debt	(767)
Deferred tax asset/(liability)	(402)
Net assets acquired	1,720
Supplemental information:
Cash paid	1,754
Cash Acquired from Acquisition	34
Cash paid, net of cash acquired	1,720
Polypore Separations Media
Business Acquisitions Information
Purchase price paid for business combinations (net of cash acquired)	1,037
Accounts receivable	30
Inventory	35
Other current assets	1
Property, plant and equipment	132
Purchased finite-lived intangible assets	329
Purchased goodwill	628
Accounts payable and other liabilities, net of other assets	(118)
Net assets acquired	1,037
Supplemental information:
Cash paid	1,037
Cash paid, net of cash acquired	1,037
Other Acquisitions
Business Acquisitions Information
Purchase price paid for business combinations (net of cash acquired)	153
Accounts receivable	7
Inventory	4
Other current assets	4
Property, plant and equipment	7
Purchased finite-lived intangible assets	51
Purchased goodwill	95
Accounts payable and other liabilities, net of other assets	(5)
Deferred tax asset/(liability)	(10)
Net assets acquired	153
Supplemental information:
Cash paid	154
Cash Acquired from Acquisition	1
Cash paid, net of cash acquired	$ 153