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Income Taxes
6 Months Ended
Jun. 30, 2011
Income Taxes [Abstract]  
Income Taxes
10. Income Taxes
Income Tax Provision
In accordance with the applicable accounting guidance, the principal method established for computing the provision for income taxes in interim periods requires us to make our best estimate of the effective tax rate expected to be applicable for the full year. This estimated effective tax rate is then applied to interim consolidated pre-tax operating income to determine the interim provision for income taxes. Additionally, the accounting guidance allows for an alternative method to computing the effective tax rate and, thus the interim provision for income taxes, when a taxpayer is unable to calculate a reliable estimate of the effective tax rate for the entire year. Due to the current economic environment, we have concluded that the alternative method is more reliable in determining the provision for income taxes for 2011. The alternative method was also used for determining the provision for income taxes in 2010. The provision for the current quarter is calculated by applying the statutory federal income tax rate to the quarter’s consolidated operating income before taxes after modifications. These items include modifications for non-taxable items recognized in the quarter, which include income from corporate-owned life insurance, tax credits related to investments in low income housing projects, and state taxes.
The effective tax rate, which is the provision for income taxes as a percentage of income from continuing operations before income taxes, was 27.1% for the second quarter of 2011, 28.2% for the first quarter of 2011, and 9.7% for the second quarter of 2010. The effective tax rates are below our combined federal and state statutory tax rate of 37.2%, due primarily to income from investments in tax-advantaged assets such as corporate-owned life insurance, and credits associated with investments in low-income housing projects.
Deferred Tax Asset
As of June 30, 2011, we had a net deferred tax asset from continuing operations of $208 million compared to $348 million as of March 31, 2011 and $594 million as of June 30, 2010, included in “accrued income and other assets” on the balance sheet. To determine the amount of deferred tax assets that are more-likely-than-not to be realized, and therefore recorded, we conduct a quarterly assessment of all available evidence. This evidence includes, but is not limited to, taxable income in prior periods, projected future taxable income, and projected future reversals of deferred tax items. Based on these criteria, and in particular our projections for future taxable income, we currently believe that it is more-likely-than-not that we will realize the net deferred tax asset in future periods.
Unrecognized Tax Benefits
As permitted under the applicable accounting guidance for income taxes, it is our policy to recognize interest and penalties related to unrecognized tax benefits in income tax expense.