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Income Taxes
6 Months Ended
Jun. 30, 2016
Income Tax Disclosure [Abstract]  
Income Taxes
Income Taxes
The provision for income taxes differs from the amount of income tax determined by applying the U.S. statutory federal income tax rate to pre-tax income as a result of the following items: 
 
Three Months Ended
 
Six Months Ended
 
June 30
 
June 30
 
2016
 
2015
 
2016
 
2015
U.S. statutory rate at 35%
$
88

 
$
70

 
$
136

 
$
105

Tax on foreign income
(27
)
 
(27
)
 
(41
)
 
(39
)
Tax contingencies
1

 
1

 
1

 
8

Valuation allowance

 
2

 
2

 
5

Other items, net
3

 
3

 
5

 
7

Income tax provision
$
65

 
$
49

 
$
103

 
$
86