Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Earnings (loss) (Details)

v2.4.0.6
Other Comprehensive Earnings (loss) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax $ (39) $ 14 $ 69  
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax 15 (5) (26)  
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax (24) 9 43  
Other Comprehensive Earnings (Loss), Share of AOCI of Equity Affiliates Before Tax 3      
Other Comprehensive Earnings (Loss), Share of AOCI of Equity Affiliates Tax (1)      
Other Comprehensive Earnings (Loss), Share of AOCI of Equity Affiliates, Net of Tax 2      
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax   (34) (2)  
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax   13 1  
Share Of Other Comprehensive Earnings Loss Of Equity Affiliates 2 0 0  
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax 0 (21) (1)  
Other comprehensive Income (loss) Reattribution beween tracking stocks before tax   48    
Other comprehensive Income (loss) Reattribution between tracking stocks, Tax   (18)    
Other comprehensive Income (loss) Reattribution beween tracking stocks Net of Tax   30    
other comprehensive income (loss), other before tax (5) 2 (6)  
other comprehensive income (loss), other tax 2 (1) 2  
other comprehensive income (loss), other net of tax (3) 1 (4)  
Other comprehensive Income (loss) from discontinued operations Before Tax     50  
Other comprehensive Income (loss) from discontinued operations Tax     (19)  
Other comprehensive Income (loss) from discontinued operations Net of Tax     31  
Other Comprehensive Income (Loss), before Tax (41) 30 115  
Other Comprehensive Income (Loss), Tax 16 (11) (44)  
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax     4  
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax     (2)  
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax 0 0 2  
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 29 54 35 (36)
Other Comprehensive Income (Loss), Net of Tax (25) 19 71  
Accumulated Net Unrealized Investment Gain (Loss) [Member]
        
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 36 60 42 (1)
Other Comprehensive Income (Loss), Net of Tax (24) 18 43  
Accumulated other comprehensive income, other [Member]
        
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax (7) (6) (7) (2)
Other Comprehensive Income (Loss), Net of Tax (1) 1 (5)  
Discontinued Operation or Asset Disposal [Member]
        
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 0 0 0 (31)
Other Comprehensive Income (Loss), Net of Tax 0 0 31  
Accumulated Translation Adjustment [Member]
        
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 0 0 0 (2)
Other Comprehensive Income (Loss), Net of Tax $ 0 $ 0 $ 2