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Condensed Consolidated Statements Of Equity - USD ($)
$ in Millions
Total
Adoption of accounting standards
Preferred Stock
Common Stock
Additional Paid-in Capital
Retained Earnings
Retained Earnings
Adoption of accounting standards
Accumulated Other Comprehensive Loss
Noncontrolling Interests
Noncontrolling Interests
Preferred Stock
Balance at beginning of period at Dec. 31, 2019 $ 45,957 $ (660)   $ 14 $ 26,074 $ 26,860 $ (660) $ (11,156) $ 4,165  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Net income 286         294     (8)  
Other comprehensive income (loss) (656)             (644) (12)  
Issuance of subsidiary preferred stock (Note 16)     $ 26             $ 26
Purchase of common stock (90)       (57) (33)        
Stock based compensation (10)       (3) (7)        
Cash dividends paid on common stock (545)         (545)        
Dividends to noncontrolling interests (4)               (4)  
Other 13       0 (24)     37  
Balance at end of period at Mar. 31, 2020 44,317     14 26,014 25,885   (11,800) 4,204  
Balance at beginning of period at Dec. 31, 2020 49,677     14 26,542 31,962   (13,488) 4,647  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Net income 3,014         3,022     (8)  
Other comprehensive income (loss) 155             162 (7)  
Issuance of subsidiary preferred stock (Note 16)     $ 1,537             $ 1,537
Stock based compensation 132       132 0        
Dividends to noncontrolling interests (61)               (61)  
Other (11)       (7) 4     (8)  
Balance at end of period at Mar. 31, 2021 $ 54,443     $ 14 $ 26,667 $ 34,988   $ (13,326) $ 6,100