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PROVISION FOR INCOME TAXES | 9 Months Ended
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Sep. 30, 2017
Income Tax Disclosure [Abstract] |
PROVISION FOR INCOME TAXES | PROVISION FOR INCOME TAXES
| Third Quarter |  | First Nine Months
(Dollars in millions) | 2017 |  | 2016 |  | 2017 |  | 2016
| $ |  | % |  | $ |  | % |  | $ |  | % |  | $ |  | %
Provision for income taxes and tax rate | $ | 79 |  |  | 20 | % |  | $ | 56 |  |  | 20 | % |  | $ | 206 |  |  | 19 | % |  | $ | 195 |  |  | 21 | %
The first nine months 2017 effective tax rate includes a $22 million tax benefit to reflect finalization of prior years' income tax returns and a $22 million tax benefit due to planned amendments to prior years' income tax returns. The third quarter and first nine months 2016 effective tax rates reflect a benefit from the extension of favorable U.S. federal tax provisions, primarily research and development ("R&D") tax credits and deferral of certain earnings of foreign subsidiaries from U.S. income taxes in fourth quarter of 2015. The third quarter and first nine months 2016 effective tax rates include a tax benefit of $16 million related to foreign tax credits as a result of the amendment of prior year income tax returns. The first nine months 2016 effective tax rate includes a $16 million one-time benefit for the restoration of tax basis for which depreciation deductions were previously limited and a $9 million tax benefit primarily due to adjustments to the tax provision to reflect the finalization of 2014 foreign income tax returns.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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