Contingencies (Medical Monitoring Class Actions Narrative) (Details) (Medical Monitoring Class Actions [Member], USD $)
In Millions, unless otherwise specified |
3 Months Ended |
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Mar. 31, 2013
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Loss Contingencies [Line Items] | |
Purported medical monitoring class action cases pending | 2 |
Donovan [Member]
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|
Loss Contingencies [Line Items] | |
Proposed 28-year medical monitoring program cost | 190 |