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Income Taxes | 6 Months Ended
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Jun. 30, 2017
Income Tax Disclosure [Abstract] |
Income Taxes | NOTE 3 — INCOME TAXES Our liability for unrecognized tax benefits was $420 million, including accrued interest of $46 million, as of June 30, 2017 ($418 million and $45 million, respectively, as of December 31, 2016). Unrecognized tax benefits of $141 million ($137 million as of December 31, 2016) would affect the effective rate, if recognized. Our provision for income taxes for the quarters ended June 30, 2017 and 2016, included tax benefits of $9 million and $44 million, respectively, and for the six months ended June 30, 2017 and 2016, included tax benefits of $76 million and $118 million, respectively, related to the settlement of employee equity awards. Our provision for income taxes for the quarter and six months ended June 30, 2017 also included $10 million and $12 million, respectively, of reductions in interest expense (net of tax) related to taxing authority examinations. We are subject to examination by federal, state and foreign taxing authorities. Depending on the resolution of any federal, state and foreign tax disputes, the completion of examinations by federal, state or foreign taxing authorities, or the expiration of statutes of limitation for specific taxing jurisdictions, we believe it is reasonably possible that our liability for unrecognized tax benefits may significantly increase or decrease within the next 12 months. However, we are currently unable to estimate the range of any possible change.

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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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