XML 55 R44.htm IDEA: XBRL DOCUMENT v3.4.0.3
10. Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Effective tax rate 39.00% 33.00%
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 4  
U.S. Federal [Member]    
Statutory Rates 35.00% 35.00%