v3.25.4
Other Financial Information - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Business Combination [Line Items]      
Gains on sale of nonstrategic properties $ 400,000,000 $ 246,000,000 $ 143,000,000
Severance after tax 355,000,000 715,000,000  
Legal reserves 300,000,000    
Pension settlement costs 223,000,000    
After tax loss   400,000,000 1,950,000,000
Tax benefit 655,000,000    
Goodwill 4,568,000,000 4,578,000,000  
Upstream      
Business Combination [Line Items]      
Gains on sale of nonstrategic properties 360,000,000 231,000,000 110,000,000
After tax loss 1,765,000,000    
Goodwill impairment loss 0    
Upstream | Operating Segments      
Business Combination [Line Items]      
Goodwill 4,216,000,000 4,226,000,000  
Upstream | United States      
Business Combination [Line Items]      
Severance after tax 245,000,000 183,000,000  
Legal reserves 130,000,000    
Upstream | International      
Business Combination [Line Items]      
Severance after tax 70,000,000 119,000,000  
After tax loss   125,000,000  
Downstream      
Business Combination [Line Items]      
Gains on sale of nonstrategic properties 40,000,000 15,000,000 $ 33,000,000
Downstream | Operating Segments      
Business Combination [Line Items]      
Goodwill 352,000,000 352,000,000  
Downstream | United States      
Business Combination [Line Items]      
Severance after tax   188,000,000  
Legal reserves 170,000,000    
After tax loss   90,000,000  
Downstream | International      
Business Combination [Line Items]      
Severance after tax   17,000,000  
After tax loss   185,000,000  
All Other      
Business Combination [Line Items]      
Severance after tax $ 40,000,000 $ 208,000,000