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, $ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period $ 17,314  
Common stock purchases (in shares) 0 (4,100,000)
Common stock purchases   $ (750)
Net income attributable to common shareowners $ 1,113 $ 1,895
Balance at end of period $ 16,933  
Common stock, cash paid for dividends (in dollars per share) $ 1.63 $ 1.62
Dividends, common stock $ 66 $ 105
Class A common stock    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period (in shares) 127,000,000  
Balance at end of period (in shares) 126,000,000  
Class B common stock    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period (in shares) 726,000,000  
Balance at end of period (in shares) 729,000,000  
Common Stock | Class A common stock    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period (in shares) 127,000,000 134,000,000
Balance at beginning of period $ 2 $ 2
Stock award plans (in shares) 2,000,000 3,000,000
Stock award plans $ 0 $ 0
Common stock issuances (in shares) 0 1,000,000
Common stock issuances $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (3,000,000) (3,000,000)
Conversions of class A to class B common stock $ 0 $ 0
Balance at end of period (in shares) 126,000,000 135,000,000
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) 726,000,000 725,000,000
Balance at beginning of period $ 7 $ 7
Common stock purchases (in shares) 0 (4,000,000)
Common stock purchases $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (3,000,000) (3,000,000)
Conversions of class A to class B common stock $ 0 $ 0
Balance at end of period (in shares) 729,000,000 724,000,000
Balance at end of period $ 7 $ 7
Additional Paid-In Capital    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period 0 0
Stock award plans (118) 345
Common stock issuances 118 147
Common stock purchases 0 (492)
Balance at end of period 0 0
Retained Earnings    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period 21,055 21,326
Common stock purchases 0 (258)
Net income attributable to common shareowners 1,113 1,895
Dividends (1,414) (1,453)
Other (2) (73) 0
Balance at end of period 20,681 21,510
Non-Controlling Interests    
Stockholders Equity Note [Roll Forward]    
Balance at beginning of period 8 17
Change in non-controlling interest 16 (2)
Balance at end of period $ 24 $ 15