XML 97 R75.htm IDEA: XBRL DOCUMENT v3.25.0.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Income Tax [Line Items]    
Federal valuation allowance amount removed $ 794 $ 826
Valuation allowance against deferred tax assets, percent 50.00%  
Net operating loss carryforwards, deferred tax assets $ 428 447
Capital loss carryforwards 497 542
Unrecognized tax benefits, interest expense (benefit) 12 4
Unrecognized tax benefit that would impact effective tax rate 105 $ 83
United States Federal [Member]    
Income Tax [Line Items]    
Federal valuation allowance amount removed 281  
Net operating loss carryforwards 107  
United States Federal [Member] | Expires between 2035 and 2036 [Member]    
Income Tax [Line Items]    
Net operating loss carryforwards 60  
United States Federal [Member] | No Expire [Member]    
Income Tax [Line Items]    
Net operating loss carryforwards 47  
Various U.S. States [Member]    
Income Tax [Line Items]    
Net operating loss carryforwards 313  
Various U.S. States [Member] | Expires between 2025 and 2040 [Member]    
Income Tax [Line Items]    
Net operating loss carryforwards 149  
Various U.S. States [Member] | No Expire [Member]    
Income Tax [Line Items]    
Net operating loss carryforwards 164  
Canada [Member]    
Income Tax [Line Items]    
Net operating loss carryforwards 8  
Capital loss carryforwards 505  
WPX Merger [Member]    
Income Tax [Line Items]    
Capital loss carryforwards $ 489