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Derivatives - Balance Sheet Components (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Derivatives, Fair Value [Line Items]    
Asset $ 22 $ 28
Liability 85 13
Net Asset (Liability) (63) 15
Not Designated as Hedges    
Derivatives, Fair Value [Line Items]    
Asset 6 28
Liability 85 8
Net Asset (Liability) (79) 20
Cash Flow Hedges    
Derivatives, Fair Value [Line Items]    
Asset 16 0
Liability 0 5
Net Asset (Liability) 16 (5)
Commodity | Other current assets | Not Designated as Hedges    
Derivatives, Fair Value [Line Items]    
Asset 2  
Liability 2  
Net Asset (Liability) 0  
Commodity | Other current liabilities | Not Designated as Hedges    
Derivatives, Fair Value [Line Items]    
Asset 4 1
Liability 83 8
Net Asset (Liability) (79) (7)
Interest Rate | Other current assets | Cash Flow Hedges    
Derivatives, Fair Value [Line Items]    
Asset 4  
Liability 0  
Net Asset (Liability) 4  
Interest Rate | Other current liabilities | Cash Flow Hedges    
Derivatives, Fair Value [Line Items]    
Asset   0
Liability   3
Net Asset (Liability)   (3)
Interest Rate | Other noncurrent assets | Not Designated as Hedges    
Derivatives, Fair Value [Line Items]    
Asset   27
Liability   0
Net Asset (Liability)   27
Interest Rate | Other noncurrent assets | Cash Flow Hedges    
Derivatives, Fair Value [Line Items]    
Asset 12  
Liability 0  
Net Asset (Liability) $ 12  
Interest Rate | Deferred credits and other liabilities | Cash Flow Hedges    
Derivatives, Fair Value [Line Items]    
Asset   0
Liability   2
Net Asset (Liability)   $ (2)