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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Millions, unless otherwise specified
Total
Common Stock [Member]
Capital Surplus [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Noncontrolling Interest [Member]
Beginning 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)
Other comprehensive income (loss), net of tax (196)         (185) (11)
Comprehensive income (loss) 346           (299)
Dividends to noncontrolling interest (7)           (7)
Dividends (247)       (247)    
Ending Balance at Dec. 31, 2010 8,497 1,156 2,515 (304) 3,241 979 910
Stock-based compensation expense 29   29 33 (33)    
Business combination 9           9
Comprehensive income (loss):              
Net income (loss) 155       650   (495)
Other comprehensive income (loss), net of tax (335)         (309) (26)
Comprehensive income (loss) (180)           (521)
Dividends to noncontrolling interest (5)           (5)
Dividends (354)       (354)    
Ending Balance at Dec. 31, 2011 7,996 1,156 2,544 (271) 3,504 670 393
Stock-based compensation expense 11   11 32 (32)    
Business combination 765           765
Comprehensive income (loss):              
Net income (loss) (2,188)       (1,158)   (1,030)
Other comprehensive income (loss), net of tax 140         124 16
Comprehensive income (loss) (2,048)           (1,014)
Dividends to noncontrolling interest (5)           (5)
Dividends (355)       (355)    
Ending Balance at Dec. 31, 2012 $ 6,364 $ 1,156 $ 2,555 $ (239) $ 1,959 $ 794 $ 139