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 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period     $ 19,786  
Common stock purchases (in shares) (4.4) (4.9) (12.8) (11.6)
Common stock purchases $ (750) $ (951) $ (2,300) $ (2,200)
Net income attributable to common shareowners 1,127 2,584 5,103 8,095
Balance at end of period 19,168   19,168  
Non-Controlling Interests:        
Balance at beginning of period 18 21 17 16
Change in non-controlling interest (6) (1) (5) 4
Balance at end of period $ 12 $ 20 $ 12 $ 20
Common stock, cash paid for dividends (in dollars per share) $ 1.62 $ 1.52 $ 4.86 $ 4.56
Excise taxes, percentage 1.00%   1.00%  
Dividends, common stock $ 43 $ 41 $ 196 $ 207
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) 130.0   130.0  
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) 722.0   722.0  
Common Stock | Class A common stock        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period (in shares) 132.0 138.0 134.0 138.0
Balance at beginning of period $ 2 $ 2 $ 2 $ 2
Stock award plans (in shares) 1.0 (1.0) 4.0 5.0
Stock award plans $ 0 $ 0 $ 0 $ 0
Common stock issuances (in shares) 1.0 1.0 2.0 2.0
Common stock issuances $ 0 $ 0 $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (4.0) (3.0) (10.0) (10.0)
Conversions of class A to class B common stock $ 0 $ 0 $ 0 $ 0
Balance at end of period (in shares) 130.0 135.0 130.0 135.0
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) 723.0 732.0 725.0 732.0
Balance at beginning of period $ 7 $ 7 $ 7 $ 7
Common stock purchases (in shares) (5.0) (5.0) (13.0) (12.0)
Common stock purchases $ 0 $ 0 $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (4.0) (3.0) (10.0) (10.0)
Conversions of class A to class B common stock $ 0 $ 0 $ 0 $ 0
Balance at end of period (in shares) 722.0 730.0 722.0 730.0
Balance at end of period $ 7 $ 7 $ 7 $ 7
Additional Paid-In Capital        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period 0 573 0 1,343
Stock award plans 14 233 391 410
Common stock issuances 115 97 370 393
Common stock purchases (123) (903) (750) (2,146)
Other (6) 0 (11) 0
Balance at end of period 0 0 0 0
Retained Earnings        
Stockholders Equity Note [Roll Forward]        
Balance at beginning of period 21,584 18,958 21,326 16,179
Common stock purchases (627) (48) (1,500) (48)
Net income attributable to common shareowners 1,127 2,584 5,103 8,095
Dividends (1,384) (1,316) (4,230) (4,049)
Other (1) (1) 0 0
Balance at end of period $ 20,699 $ 20,177 $ 20,699 $ 20,177