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Contingencies (Trial Results Narrative) (Details) (USD $)	12 Months Ended		192 Months Ended	123 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014 cases	Dec. 31, 2014	Jan. 27, 2015 cases
Loss Contingencies [Line Items]
NPM Adjustment Items	$ 90,000,000us-gaap_LitigationSettlementAmount	$ 664,000,000us-gaap_LitigationSettlementAmount
Health Care Cost Recovery [Member]
Loss Contingencies [Line Items]
Verdicts Reversed			1
Engle Progeny Cases [Member] \| Since October 2004 [Member]
Loss Contingencies [Line Items]
Judgment interest paid aggregate				2,500,000
Aggregate judgements related costs and fees				13,800,000
Non Engle Progeny Cases [Member] \| Since January 1999 [Member]
Loss Contingencies [Line Items]
Number of verdicts returned	56		56	56
Verdicts returned in favor of defendants	38		38	38
Verdicts returned in favor of plaintiffs	18		18	18
Cases reaching final resolution	15		15	15
Engle and Non-Engle Cases [Member] \| Since October 2004 [Member]
Loss Contingencies [Line Items]
Judgment interest paid aggregate				144,000,000
Aggregate judgements related costs and fees				$ 266,000,000
Subsequent Event [Member] \| Engle Progeny Cases [Member] \| Since January 1999 [Member]
Loss Contingencies [Line Items]
Number of verdicts returned					70
Verdicts returned in favor of defendants					34
Verdicts returned in favor of plaintiffs					36