XML 20 R7.htm IDEA: XBRL DOCUMENT v3.8.0.1
Condensed Consolidated Statements Of Equity - USD ($)
$ in Millions
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Loss [Member]
Noncontrolling Interests [Member]
Balance at beginning of period at Dec. 31, 2016 $ 44,075 $ 15 $ 26,983 $ 26,168 $ (9,330) $ 239
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 2,617     2,608   9
Other comprehensive income 79       80 (1)
Exercise of common stock warrants 4   4      
Stock based compensation 16   24 (8)    
Cash dividends paid on common stock (573)     (573)    
Other (4)   1     (5)
Balance at end of period at Mar. 31, 2017 46,214 15 27,012 28,195 (9,250) 242
Balance at beginning of period at Dec. 31, 2017 36,200 14 25,371 17,627 (8,011) 1,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Adoption of accounting standards (Note 1) (1,144)     (1,046) (98)  
Net income 1,040     1,046   (6)
Other comprehensive income 27       28 (1)
Purchase of common stock (100)   (44) (56)    
Cash dividends paid on common stock (536)     (536)    
Dividends to noncontrolling interests (30)         (30)
Other 1   10 (7)   (2)
Balance at end of period at Mar. 31, 2018 $ 35,458 $ 14 $ 25,337 $ 17,028 $ (8,081) $ 1,160