Contingencies (Tables)	12 Months Ended
Dec. 31, 2014
1998 - 2000 cases
Loss Contingencies [Line Items]
Schedule of Loss Contingencies by Contingency
2004 - 2005 cases
Loss Contingencies [Line Items]
Schedule of Loss Contingencies by Contingency

Tabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date.

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