Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Commitments And Contingencies [Line Items]
Estimated future contingent consideration	$ 11
Settlement agreement paid	4
Silzone Product Liability Insurance [Member]
Commitments And Contingencies [Line Items]
Remaining insurance coverage for Silzone claims	13
Number of insurance carriers	2
Ontario Class Action Matters [Member]
Commitments And Contingencies [Line Items]
Number of outstanding class actions	2
Individual Ontario Case [Member]
Commitments And Contingencies [Line Items]
Number of outstanding class actions	1
Minimum damage loss claimed	$ 1
British Columbia Class Action Matters [Member]
Commitments And Contingencies [Line Items]
Number of proposed class actions	1