Annual report pursuant to Section 13 and 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
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year $ 19,803    
Common stock purchases (in shares) (12.8) (19.0) (2.6)
Common stock purchases $ (2,300) $ (3,500) $ (500)
Net income attributable to controlling interests 6,708 11,548 $ 12,890
Balance at end of year $ 17,314 $ 19,803  
Dividends (in dollars per share) $ 6.48 $ 6.08 $ 4.08
Excise taxes, percentage 1.00%    
Dividends, common stock $ 239 $ 249 $ 167
Common Class A      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year (in shares) 134.0    
Balance at end of year (in shares) 127.0 134.0  
Common Class B      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year (in shares) 725.0    
Balance at end of year (in shares) 726.0 725.0  
Common Stock | Common Class A      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year (in shares) 134.0 138.0 147.0
Balance at beginning of year $ 2 $ 2 $ 2
Stock award plans (in shares) 5.0 5.0 6.0
Stock award plans $ 0 $ 0 $ 0
Common stock issuances (in shares) 2.0 3.0 2.0
Common stock issuances $ 0 $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) (14.0) (12.0) (17.0)
Conversions of class A to class B common stock $ 0 $ 0 $ 0
Balance at end of year (in shares) 127.0 134.0 138.0
Balance at end of year $ 2 $ 2 $ 2
Common Stock | Common Class B      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year (in shares) 725.0 732.0 718.0
Balance at beginning of year $ 7 $ 7 $ 7
Common stock purchases (in shares) (13.0) (19.0) (3.0)
Common stock purchases $ 0 $ 0 $ 0
Conversions of Class A to Class B common stock (in shares) 14.0 12.0 17.0
Conversions of class A to class B common stock $ 0 $ 0 $ 0
Balance at end of year (in shares) 726.0 725.0 732.0
Balance at end of year $ 7 $ 7 $ 7
Additional Paid-In Capital      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year 0 1,343 865
Stock award plans 425 624 574
Common stock issuances 467 495 404
Common stock purchases (882) (2,462) (500)
Other (10) 0 0
Balance at end of year 0 0 1,343
Retained Earnings      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year 21,326 16,179 6,896
Common stock purchases (1,368) (1,038) 0
Net income attributable to controlling interests 6,708 11,548 12,890
Dividends (5,611) (5,363) (3,604)
Other 0 0 (3)
Balance at end of year 21,055 21,326 16,179
Noncontrolling Interest      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Balance at beginning of year 17 16 12
Change in non-controlling interests (9) 1 4
Balance at end of year $ 8 $ 17 $ 16