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Investments - Summary of Significant Investments (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]      
Revenues $ 15,334 $ 19,200 $ 16,610
Costs and expenses 11,071 15,135 13,694
Net income (loss) 2,486 2,625 1,850
Current assets 2,542 3,803  
Current liabilities 7,221 6,930  
Non-current liabilities 32,070 31,034  
Partners’/owners’ equity 30,306 30,742  
Ruby Pipeline Holding Company LLC      
Schedule of Equity Method Investments [Line Items]      
Non-cash impairment charge     2,200
Equity Method Investment, Nonconsolidated Investee or Group of Investees      
Schedule of Equity Method Investments [Line Items]      
Revenues 5,981 5,953 5,521
Costs and expenses 4,149 4,193 6,137
Net income (loss) 1,832 1,760 $ (616)
Current assets 1,844 1,461  
Non-current assets 23,193 23,360  
Current liabilities 1,534 1,617  
Non-current liabilities 10,102 10,206  
Partners’/owners’ equity $ 13,401 $ 12,998