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Consolidated Statements of Changes in Shareholders Equity (USD $)
In Millions, unless otherwise specified
Total
Common Stock
Capital Surplus
Treasury Stock
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Noncontrolling Interests
Beginning Balance at Dec. 31, 2008 $ 8,432 $ 1,156 $ 2,324 $ (482) $ 4,064 $ 1,094 $ 276
Purchase of equity from noncontrolling interest (92)   119       (211)
Business combination 1,411           1,411
Stock-based compensation expense 38   38 105 (105)    
Comprehensive income (loss):              
Net income (loss) (1,401)       (1,131)   (270)
Unrealized gains on securities, net of tax 10         10  
Unrealized gains on derivatives, net of tax (4)         (5) 1
Other components of other comprehensive income, net of tax 79         65 14
Other comprehensive income (loss), net of tax 85         70 15
Comprehensive income (loss) (1,316)            
Dividends to noncontrolling interest (5)           (5)
Dividends,$0.12, $0.28 and 0.40 per share for the years, 2009, 2010 and 2011 respectively (110)       (105)    
Ending Balance at Dec. 31, 2009 8,363 1,156 2,481 (377) 2,723 1,164 1,216
Stock-based compensation expense 34   34 73 (73)    
Equity investment divestiture 8       8    
Comprehensive income (loss):              
Net income (loss) 542       830   (288)
Unrealized gains on securities, net of tax 28         28  
Unrealized gains on derivatives, net of tax 57         55 2
Other components of other comprehensive income, net of tax (281)         (268) (13)
Other comprehensive income (loss), net of tax (196)         (185) (11)
Comprehensive income (loss) 346            
Dividends to noncontrolling interest (7)           (7)
Dividends,$0.12, $0.28 and 0.40 per share for the years, 2009, 2010 and 2011 respectively (247)       (247)    
Ending Balance at Dec. 31, 2010 8,497 1,156 2,515 (304) 3,241 979 910
Business combination 9           9
Stock-based compensation expense 29   29 33 (33)    
Comprehensive income (loss):              
Net income (loss) 155       650   (495)
Unrealized gains on securities, net of tax (32)         (32)  
Unrealized gains on derivatives, net of tax (126)         (116) (10)
Other components of other comprehensive income, net of tax (177)         (161) (16)
Other comprehensive income (loss), net of tax (335)         (309) (26)
Comprehensive income (loss) (180)            
Dividends to noncontrolling interest (5)           (5)
Dividends,$0.12, $0.28 and 0.40 per share for the years, 2009, 2010 and 2011 respectively (354)       40    
Ending Balance at Dec. 31, 2011 $ 7,996 $ 1,156 $ 2,544 $ (271) $ 3,504 $ 670 $ 393