v3.20.2
Changes in Equity (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance $ 31,493 $ 33,074 $ 35,050 $ 32,064
Net income (loss) (450) 3,071 (1,883) 6,514
Other Comprehensive Income (Loss) 159 173 (309) 449
Dividends paid (454) (341) (1,367) (1,037)
Repurchase of company common stock   (749) (726) (2,751)
Distributions to noncontrolling interests and other   (20) (32) (80)
Disposition     (84)  
Distributed under benefit plans 34 32 130 75
Other 1 (1) 4 5
Ending Balance 30,783 35,239 30,783 35,239
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2018-02 [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Ending Balance [1]   0   0
Par Value - Common Stock [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance 18 18 18 18
Ending Balance 18 18 18 18
Capital in excess of par [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance 47,079 46,922 46,983 46,879
Distributed under benefit plans 34 32 130 75
Ending Balance 47,113 46,954 47,113 46,954
Treasury Stock [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance (47,130) (44,906) (46,405) (42,905)
Repurchase of company common stock   (749) (726) (2,751)
Other   (1) 1  
Ending Balance (47,130) (45,656) (47,130) (45,656)
Accum Other Comprehensive Income (Loss) [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance (5,825) (5,827) (5,357) (6,063)
Other Comprehensive Income (Loss) 159 173 (309) 449
Ending Balance (5,666) (5,654) (5,666) (5,654)
Accum Other Comprehensive Income (Loss) [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2018-02 [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Ending Balance [1]   (40)   (40)
Retained Earnings [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance 37,351 36,769 39,742 34,010
Net income (loss) (450) 3,056 (1,929) 6,469
Dividends paid (454) (341) (1,367) (1,037)
Other 1   2 2
Ending Balance 36,448 39,484 36,448 39,484
Retained Earnings [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2018-02 [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Ending Balance [1]   40   40
Noncontrolling Interests [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance   98 69 125
Net income (loss)   15 46 45
Distributions to noncontrolling interests and other   (20) (32) (80)
Disposition     (84)  
Other     1 3
Ending Balance $ 0 $ 93 $ 0 $ 93
[1]
*Cumulative effect of the adoption of ASU No. 2018-02,
 
"Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income."