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Property and Equipment - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Property and Equipment        
Depreciation expense   $ 736 $ 710 $ 655
Construction in progress expenditures incurred but not yet paid   $ 55 $ 46 48
Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow        
Property and Equipment        
Discount rate, asset impairment analysis, cost of capital, theoretical market participant (as a percent) 15.00%      
California assets | Crude Oil        
Property and Equipment        
Non-cash impairment losses, long-lived assets $ 330      
Impairment, long-lived asset, held-for-use, statement of income [extensible enumeration] Gains/(losses) on asset sales and asset impairments, net      
Crude oil storage terminal assets | Crude Oil        
Property and Equipment        
Non-cash impairment losses, long-lived assets       $ 220
Impairment, long-lived asset, held-for-use, statement of income [extensible enumeration]       Gains/(losses) on asset sales and asset impairments, net