v3.26.1
Fair Value Of Financial Instruments Fair Value of Assets and Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Oct. 20, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale debt securities $ 60 $ 58 $ 149
Fair Value, Measurements, Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale debt securities 60 58  
Assets, Fair Value Disclosure 112 114  
Financial and Nonfinancial Liabilities, Fair Value Disclosure 1 1  
Fair Value, Measurements, Recurring | Commodity derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 26 31  
Fair Value, Measurements, Recurring | Foreign currency derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 26 25  
Derivative Liability 1 1  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale debt securities 0 0  
Assets, Fair Value Disclosure 0 0  
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Commodity derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 0  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Foreign currency derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 0  
Derivative Liability 0 0  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale debt securities 0 0  
Assets, Fair Value Disclosure 52 56  
Financial and Nonfinancial Liabilities, Fair Value Disclosure 1 1  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Commodity derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 26 31  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Foreign currency derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 26 25  
Derivative Liability 1 1  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale debt securities 60 58  
Assets, Fair Value Disclosure 60 58  
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Commodity derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 0  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Foreign currency derivatives      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 0  
Derivative Liability $ 0 $ 0