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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	6. Income Taxes The consolidated effective income tax rate includes the impact of asset impairment losses recognized in foreign jurisdictions with lower tax rates. Excluding the impact of the $359 million asset impairment loss which is a discrete income tax item, the effective income tax rate was 23% and 20% for the three months ended March 31, 2015 and 2014. The change in the effective tax rate is attributable to the change in the relative components of earnings, excluding this discrete item, generated in tax jurisdictions with lower tax rates.

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.

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