v3.26.1
Derivative Financial Instruments - Summary of Derivative Fair Value Balances (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative [Line Items]    
Derivative assets (current) $ 1,795 $ 945
Derivative assets (noncurrent) 2,113 450
Derivative liabilities (current) (810) (467)
Derivative liabilities (noncurrent) (518) (414)
Commodity Contract    
Derivative [Line Items]    
Derivative assets (current) 1,728 933
Derivative assets (noncurrent) 2,085 449
Total derivative assets 3,813 1,382
Derivative liabilities (current) (807) (465)
Derivative liabilities (noncurrent) (513) (413)
Total derivative liabilities (1,320) (878)
Total derivative net assets (liabilities) 2,493 504
Commodity Contract | Collateral    
Derivative [Line Items]    
Derivative assets (current) 453 375
Derivative assets (noncurrent) 306 272
Total derivative assets 759 647
Derivative liabilities (current) 564 386
Derivative liabilities (noncurrent) 360 319
Total derivative liabilities 924 705
Total derivative net assets (liabilities) 1,683 1,352
Commodity Contract | Netting    
Derivative [Line Items]    
Derivative assets (current) (12,436) (6,791)
Derivative assets (noncurrent) (6,573) (4,853)
Total derivative assets (19,009) (11,644)
Derivative liabilities (current) 12,436 6,791
Derivative liabilities (noncurrent) 6,573 4,853
Total derivative liabilities 19,009 11,644
Total derivative net assets (liabilities) 0 0
Commodity Contract | Not Designated as Hedging Instrument, Economic Hedge    
Derivative [Line Items]    
Derivative assets (current) 13,711 7,349
Derivative assets (noncurrent) 8,352 5,030
Total derivative assets 22,063 12,379
Derivative liabilities (current) (13,807) (7,642)
Derivative liabilities (noncurrent) (7,446) (5,585)
Total derivative liabilities (21,253) (13,227)
Total derivative net assets (liabilities) $ 810 $ (848)