v3.26.1
ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Jan. 02, 2026
Oct. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Business Combination [Line Items]        
Net proceeds     $ 3,123 $ 115
Discontinued Operations, Disposed of by Sale | Permian Basin, Royalty and Mineral Interests and Processing Plants        
Business Combination [Line Items]        
Loss on sale of business     $ 186  
Discontinued Operations, Disposed of by Sale | OxyChem        
Business Combination [Line Items]        
Proceeds received for divested assets $ 9,500 $ 9,500    
Net proceeds $ 3,100