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v3.25.2

Commodity Derivatives - Financial Statement Presentation (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Derivative assets |  | Derivative assets |  | Derivative assets
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent |  | Other Assets, Noncurrent |  | Other Assets, Noncurrent
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] | Derivative Liability, Current |  | Derivative Liability, Current |  | Derivative Liability, Current
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Liabilities and Deferred Revenue, Noncurrent |  | Other Liabilities and Deferred Revenue, Noncurrent |  | Other Liabilities and Deferred Revenue, Noncurrent
Energy Related Derivative |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Liability | $ (344) |  | $ (344) |  | $ (382)
Derivative Liability, Fair Value, Gross Asset | 613 |  | 613 |  | 670
Derivative Asset | 265 |  | 265 |  | 344
Derivative Liability | (336) |  | (336) |  | (400)
Gain (Loss) on Derivative Instruments, Net, Pretax | 47 | $ (137) | (26) | $ (147) |
Energy Related Derivative | Gain (Loss) on Derivative Instruments |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Gain (Loss) on Derivative Instruments, Net, Pretax | 36 | (129) | (26) | (138) |
Energy Related Derivative | Cost of Sales |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Gain (Loss) on Derivative Instruments, Net, Pretax | 11 | (8) | 0 | (9) |
Not Designated as Hedging Instrument [Member] | Energy Related Derivative |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 609 |  | 609 |  | 726
Derivative Liability, Fair Value, Gross Liability | (949) |  | (949) |  | (1,070)
Not Designated as Hedging Instrument [Member] | Energy Related Derivative | Gain (Loss) on Derivative Instruments |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Realized | 12 | (5) | (28) | 81 |
Unrealized | 24 | (124) | 2 | (219) |
Not Designated as Hedging Instrument [Member] | Energy Related Derivative | Cost of Sales |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Realized | (1) | (1) | (2) | (5) |
Unrealized | 12 | $ (7) | 2 | $ (4) |
Derivative assets [Member] | Not Designated as Hedging Instrument [Member] | Energy Related Derivative |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 418 |  | 418 |  | 508
Regulatory assets, deferred charges, and other [Member] | Not Designated as Hedging Instrument [Member] | Energy Related Derivative |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 191 |  | 191 |  | 218
Derivative Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Energy Related Derivative |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | (528) |  | (528) |  | (635)
Regulatory liabilities, deferred income, and other [Member] | Not Designated as Hedging Instrument [Member] | Energy Related Derivative |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | $ (421) |  | $ (421) |  | $ (435)

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