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Income Taxes (Tables) | 9 Months Ended
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Sep. 30, 2014
Text Block [Abstract] |
Income tax rate reconciliation from statutory to effective tax rate |
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |
In millions |  | 2014 |  | 2013 |  | 2014 |  | 2013 |
Income (loss) before income taxes |  | $ | 148 |  | $ | 171 |  | $ | 607 |  | $ | 122 |
Provision (benefit) for income taxes |  | $ | (25) |  | $ | 39 |  | $ | 58 |  | $ | 4 |
Effective tax rate |  |  | -16.9% |  |  | 22.8% |  |  | 9.6% |  |  | 3.3% |
Change in unrecognized tax benefit |
In millions |  |  |
Unrecognized tax benefit as of December 31, 2013 |  | $ | 65
The gross amount of the increase/(decrease) in the UTB as a result of tax positions taken: |  |  |
| During a prior year |  |  | (61)
| During the current year |  |  | -
The amount of decreases in the UTB related to settlements with taxing authorities |  |  | -
The reduction in the UTB as a result of the applicable statute of limitations |  |  | -
Unrecognized tax benefit as of September 30, 2014 |  | $ | 4

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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