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
Mar. 31, 2023
Mar. 31, 2022
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period $ 19,786  
Common stock purchases (in shares) (4.1) (1.2)
Common stock purchases $ (750) $ (260)
Net income attributable to common shareowners 1,895 2,662
Balance at end of period 20,038  
Non-Controlling Interests:    
Balance at beginning of period 17 16
Change in non-controlling minority interest (2) 2
Balance at end of period $ 15 $ 18
Common stock, cash paid for dividends (in dollars per share) $ 1.62 $ 1.52
Dividends, common stock $ 105 $ 122
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) 135.0  
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) 724.0  
Common Stock | Class A common stock    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period (in shares) 134.0 138.0
Balance at beginning of period $ 2 $ 2
Stock award plans (in shares) 3.0 4.0
Stock award plans $ 0 $ 0
Common stock issuances (in shares) 1.0 1.0
Common stock issuances $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (3.0) (3.0)
Conversions of class A to class B common stock $ 0 $ 0
Balance at end of period (in shares) 135.0 140.0
Balance at end of period $ 2 $ 2
Common Stock | Class B common stock    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period (in shares) 725.0 732.0
Balance at beginning of period $ 7 $ 7
Common stock purchases (in shares) (4.0) (1.0)
Common stock purchases $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (3.0) (3.0)
Conversions of class A to class B common stock $ 0 $ 0
Balance at end of period (in shares) 724.0 734.0
Balance at end of period $ 7 $ 7
Additional Paid-In Capital    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period 0 1,343
Stock award plans 345 (35)
Common stock issuances 147 183
Common stock purchases (492) (260)
Balance at end of period 0 1,231
Retained Earnings    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period 21,326 16,179
Common stock purchases (258) 0
Net income attributable to common shareowners 1,895 2,662
Dividends (1,453) (1,406)
Other 0 (2)
Balance at end of period $ 21,510 $ 17,433