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Acquisitions and Divestitures (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 28, 2023
USD ($)
Feb. 28, 2023
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jul. 27, 2023
Dec. 31, 2022
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations                
Gains/(losses) on asset sales and asset impairments, net     $ (3) $ 3 $ 150 $ 46    
Keyera Fort Saskatchewan Facility                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations                
Undivided joint interest ownership percentage, sold   0.21            
Proceeds from sale of undivided joint interest   $ 270            
Gains/(losses) on asset sales and asset impairments, net   $ 140            
Keyera Fort Saskatchewan Facility | Other current assets                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations                
Assets held-for-sale               $ 130
Subsequent Event | Permian JV                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations                
Ownership interest in the Permian JV 65.00%              
Subsequent Event | OMOG JV LLC                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations                
Ownership interest in unconsolidated entity, prior to acquisition             57.00%  
Subsequent Event | OMOG JV LLC                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations                
Ownership interests acquired percentage 43.00%              
Acquisition amount, net to our interest in the Permian JV $ 145              
Ownership interest after acquisition percentage 100.00%              
Subsequent Event | OMOG JV LLC | Permian JV                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations                
Acquisition amount $ 225