New accounting pronouncements (Policies)	3 Months Ended
Mar. 31, 2014
New accounting pronouncements	In February 2013, the FASB issued ASU 2013-04, “Obligations Resulting from Joint and Several Liability Arrangements for Which the Total Amount of the Obligation Is Fixed at the Reporting Date.” ASU 2013-04 requires an entity to measure obligations resulting from joint and several liability arrangements for which the total amount of the obligation is fixed at the reporting date as the amount the reporting entity agreed to pay plus additional amounts the reporting entity expects to pay on behalf of its co-obligors. ASU 2013-04 became effective as of January 1, 2014. In January 2014, the FASB issued ASU 2014-01 “Accounting for Investments in Qualified Affordable Housing Tax Credits.” ASU 2014-01 permits an entity to elect the proportional amortization method of accounting for limited liability investments in qualified affordable housing projects if certain criteria are met. Under the proportional amortization method, the investment is amortized in proportion to the tax benefits received and the amortization charge is reported as a component of income tax expense. We adopted ASU 2014-01 for eligible investments as of January 1, 2014. The adoption of these accounting pronouncements had an immaterial effect on our Consolidated Financial Statements. In April 2014, the FASB issued ASU 2014-08 “Reporting of Discontinued Operations and Disclosures of Disposals of Components of an Entity.” ASU 2014-08 provides a narrower definition of discontinued operations than under existing U.S. GAAP. ASU 2014-08 requires that only disposals of components of an entity (or groups of components) that represent a strategic shift that has or will have a major effect on the reporting entity’s operations are reported in the financial statements as discontinued operations. ASU 2014-08 also provides guidance on the financial statement presentations and disclosures of discontinued operations. ASU 2014-08 is effective prospectively for disposals (or classifications of held-for-sale) of components of an entity that occur in annual or interim periods beginning after December 15, 2014.

In February 2013, the FASB issued ASU 2013-04, “Obligations Resulting from Joint and Several Liability Arrangements for Which the Total Amount of the Obligation Is Fixed at the Reporting Date.” ASU 2013-04 requires an entity to measure obligations resulting from joint and several liability arrangements for which the total amount of the obligation is fixed at the reporting date as the amount the reporting entity agreed to pay plus additional amounts the reporting entity expects to pay on behalf of its co-obligors. ASU 2013-04 became effective as of January 1, 2014.

In January 2014, the FASB issued ASU 2014-01 “Accounting for Investments in Qualified Affordable Housing Tax Credits.” ASU 2014-01 permits an entity to elect the proportional amortization method of accounting for limited liability investments in qualified affordable housing projects if certain criteria are met. Under the proportional amortization method, the investment is amortized in proportion to the tax benefits received and the amortization charge is reported as a component of income tax expense. We adopted ASU 2014-01 for eligible investments as of January 1, 2014. The adoption of these accounting pronouncements had an immaterial effect on our Consolidated Financial Statements.

In April 2014, the FASB issued ASU 2014-08 “Reporting of Discontinued Operations and Disclosures of Disposals of Components of an Entity.” ASU 2014-08 provides a narrower definition of discontinued operations than under existing U.S. GAAP. ASU 2014-08 requires that only disposals of components of an entity (or groups of components) that represent a strategic shift that has or will have a major effect on the reporting entity’s operations are reported in the financial statements as discontinued operations. ASU 2014-08 also provides guidance on the financial statement presentations and disclosures of discontinued operations. ASU 2014-08 is effective prospectively for disposals (or classifications of held-for-sale) of components of an entity that occur in annual or interim periods beginning after December 15, 2014.