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Income Taxes
9 Months Ended
Sep. 30, 2014
Income Taxes [Abstract]  
Income Taxes

Note 15 Income Taxes

The net operating loss carryforwards at September 30, 2014 and December 31, 2013 follow:

Table 121: Net Operating Loss Carryforwards and Tax Credit Carryforwards
September 30December 31
In millions20142013
Net Operating Loss Carryforwards:
Federal$1,037 $1,116
State2,723 2,958
Tax Credit Carryforwards:
Federal$84 $221
State9 7

The federal net operating loss carryforward expires in 2032. The state net operating loss carryforwards will expire from 2014 to 2031. The majority of the tax credit carryforwards expire in 2033. All federal and most state net operating loss and credit carryforwards are from acquired entities and utilization is subject to various statutory limitations. It is anticipated that the company will be able to fully utilize its carryforwards for federal tax purposes, but a valuation allowance of $65 million has been recorded against certain state tax carryforwards as of September 30, 2014. ASU 2013-11, which was adopted as of January 1, 2014, requires entities to present an unrecognized tax benefit as a reduction to a deferred tax asset for a net operating loss carryforward or a tax credit carryover. If these tax positions were successfully challenged by a state, the state net operating losses listed above could be reduced by $60 million.

Examinations are substantially completed for PNC's consolidated federal income tax returns for 2007 through 2010 and are effectively settled. The Internal Revenue Service (IRS) is currently examining PNC's 2011 through 2013 returns. National City's consolidated federal income tax returns through 2008 have been audited by the IRS. Certain adjustments remain under review by the IRS Appeals Division for years 2004 through 2008.

The Company had unrecognized tax benefits of $80 million at September 30, 2014 and $110 million at December 31, 2013. At September 30, 2014, $66 million of unrecognized tax benefits, if recognized, would favorably impact the effective income tax rate.

It is reasonably possible that the liability for unrecognized tax benefits could increase or decrease in the next twelve months due to completion of tax authorities’ exams or the expiration of statutes of limitations. Management estimates that the liability for unrecognized tax benefits could decrease by $59 million within the next twelve months.

ASU 2014-01 was adopted effective January 1, 2014. Under this standard, amortization of investments in qualified low income housing tax credits is reported within income tax expense. Certain amounts for 2013 periods including income tax provision have been updated to reflect the adoption.