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Commitments and Contingencies Policy (Policies)
3 Months Ended
Mar. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies, Policy [Policy Text Block]
We establish a reserve for those matters when a loss is probable and we can reasonably estimate the amount of such loss.
On a quarterly and annual basis, we review relevant information about all pending legal actions and proceedings for the purpose of evaluating and revising our contingencies, reserves and disclosures.
For the remaining legal actions or proceedings, including those where there is only a reasonable possibility that a loss may be incurred, we are not currently able to estimate the reasonably possible losses or ranges of losses and we have not established a reserve with respect to those actions or proceedings.