Income Taxes - Effective Tax Rates (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Taxes [Abstract]
Consolidated effective tax rate	37.80%	38.00%
Accumulated undistributed foreign earnings	$ 1,900,000,000
Cumulative unrecognized deferred tax liabilities	$ 218,000,000

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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