Quarterly report pursuant to Section 13 or 15(d)

SHAREOWNERS' EQUITY - Roll-forward of Common Stock, Additional Paid-in Capital, Retained Earnings Accounts and Noncontrolling Interest (Details)

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SHAREOWNERS' EQUITY - Roll-forward of Common Stock, Additional Paid-in Capital, Retained Earnings Accounts and Noncontrolling Interest (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period     $ 19,786  
Common stock purchases (in shares) (4.3) (5.5) (8.4) (6.7)
Common stock purchases $ (750) $ (983) $ (1,500) $ (1,200)
Net income attributable to common shareowners 2,081 2,849 3,976 5,511
Balance at end of period 20,019   20,019  
Non-Controlling Interests:        
Balance at beginning of period 15 18 17 16
Change in non-controlling minority interest 3 3 1 5
Balance at end of period $ 18 $ 21 $ 18 $ 21
Common stock, cash paid for dividends (in dollars per share) $ 1.62 $ 1.52 $ 3.24 $ 3.04
Excise taxes, percentage 1.00%   1.00%  
Dividends, common stock $ 48 $ 44 $ 153 $ 166
Class A common stock        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period (in shares)     134.0  
Balance at end of period (in shares) 132.0   132.0  
Class B common stock        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period (in shares)     725.0  
Balance at end of period (in shares) 723.0   723.0  
Common Stock | Class A common stock        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period (in shares) 135.0 140.0 134.0 138.0
Balance at beginning of period $ 2 $ 2 $ 2 $ 2
Stock award plans (in shares) 0.0 2.0 3.0 6.0
Stock award plans $ 0 $ 0 $ 0 $ 0
Common stock issuances (in shares) 0.0 0.0 1.0 1.0
Common stock issuances $ 0 $ 0 $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (3.0) (4.0) (6.0) (7.0)
Conversions of class A to class B common stock $ 0 $ 0 $ 0 $ 0
Balance at end of period (in shares) 132.0 138.0 132.0 138.0
Balance at end of period $ 2 $ 2 $ 2 $ 2
Common Stock | Class B common stock        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period (in shares) 724.0 734.0 725.0 732.0
Balance at beginning of period $ 7 $ 7 $ 7 $ 7
Common stock purchases (in shares) (4.0) (6.0) (8.0) (7.0)
Common stock purchases $ 0 $ 0 $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (3.0) (4.0) (6.0) (7.0)
Conversions of class A to class B common stock $ 0 $ 0 $ 0 $ 0
Balance at end of period (in shares) 723.0 732.0 723.0 732.0
Balance at end of period $ 7 $ 7 $ 7 $ 7
Additional Paid-In Capital        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period 0 1,231 0 1,343
Stock award plans 32 212 377 177
Common stock issuances 108 113 255 296
Common stock purchases (135) (983) (627) (1,243)
Other (5) 0 (5) 0
Balance at end of period 0 573 0 573
Retained Earnings        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period 21,510 17,433 21,326 16,179
Common stock purchases (615) 0 (873) 0
Net income attributable to common shareowners 2,081 2,849 3,976 5,511
Dividends (1,393) (1,327) (2,846) (2,733)
Other 1 3 1 1
Balance at end of period $ 21,584 $ 18,958 $ 21,584 $ 18,958