Basis of Presentation (Policies)

9 Months Ended

Sep. 30, 2013

Accounting Policies [Abstract]

Recently adopted accounting pronouncements

Recently adopted accounting pronouncements: Effective January 1, 2013, the Corporation adopted ASU 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (AOCI) which requires aggregated disclosures of amounts reclassified out of AOCI as well as a presentation of changes in AOCI balances by component. The changes in AOCI by component, including amounts reclassified out of AOCI in their entirety are presented in the Statement of Consolidated Comprehensive Income.

Effective January 1, 2013, the Corporation adopted ASU 2011-11, Balance Sheet (Topic 210): Disclosures about Offsetting Assets and Liabilities which requires disclosure of information needed to evaluate the effects or potential effects of the contractual right of setoff for assets and liabilities. This accounting standard update applies to assets and liabilities related to financial instruments and derivatives subject to an enforceable master netting arrangement or similar agreement. The required disclosures are presented in Note 14, Risk Management and Trading Activities.