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Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Jan. 01, 2017
Income tax expense $ 30 $ 24  
Effective income tax rate 29.00% 33.00%  
Amortization of prepaid tax asset   $ 3  
US federal statutory income tax rate 35.00% 35.00%  
Expense related to future taxes on repatriations from operations $ 2 $ 1  
Withholding tax related to actual transfer of funds $ 2 $ 1  
Impact to Retained earnings     $ 179
New Accounting Pronouncement, Early Adoption, Effect [Member]      
Impact to Retained earnings     $ 179