Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Earnings (Loss) - Tax Effects of Components of OCI (Details)

v3.8.0.1
Other Comprehensive Earnings (Loss) - Tax Effects of Components of OCI (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Other Comprehensive Income (Loss), before Tax $ 55 $ (16) $ (77)
Other Comprehensive Income (Loss), Tax (20) 6 28
Other Comprehensive Income (Loss), Net of Tax 35 (10) (49)
Accumulated Net Unrealized Investment Gain (Loss) [Member]      
Other Comprehensive Income (Loss), before Tax (5)    
Other Comprehensive Income (Loss), Tax 2    
Other Comprehensive Income (Loss), Net of Tax (3)    
Accumulated Foreign Currency Translation Adjustment [Member]      
Other Comprehensive Income (Loss), before Tax 60 (16) (77)
Other Comprehensive Income (Loss), Tax (22) 6 28
Other Comprehensive Income (Loss), Net of Tax $ 38 $ (10) $ (49)