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EARNINGS PER SHARE AND STOCKHOLDERS' EQUITY - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended
Aug. 08, 2019
Aug. 02, 2023
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Feb. 28, 2023
Class of Stock [Line Items]              
Stock repurchased during period, value             $ 3,000
Payments of preferred stock dividends     $ 205        
Shares of preferred stock were redeemed     522   $ 1,169    
Redemption premium     52   117    
Preferred stock, value, outstanding     $ 8,800   $ 8,800    
Subsequent Event              
Class of Stock [Line Items]              
Payments for repurchase of preferred stock and preference stock   $ 304          
Series A Preferred Stock              
Class of Stock [Line Items]              
Preferred stock, liquidation preference, par value percentage     10.00%   10.00%    
Common stock, redemption threshold, per share     $ 4.00   $ 4.00    
Preferred stock, voluntary redemption, percentage     5.00%   5.00%    
Anadarko | Series A Preferred Stock              
Class of Stock [Line Items]              
Issued as part of the merger (in shares) 100,000            
Face value per share (in dollars per share) $ 100,000            
Face value (in dollars per share) $ 105,000            
Preferred stock accrual rate per annum 8.00%            
Preferred stock accrual rate per annum on unpaid amounts 9.00%            
Warrant              
Class of Stock [Line Items]              
Berkshire warrants, common stock warrants, and options excluded from diluted shares (in shares)     0 0 0 0  
Preferred Stock              
Class of Stock [Line Items]              
Shares of preferred stock were redeemed     $ 522   $ 1,169    
Preferred stock redeemed, including premium         $ 1,300