Supplemental Financial Information - Summary of Other Income (Expense) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Decommissioning-related activities: | ||||
| Regulatory Agreement Units | $ 131 | $ 91 | $ 375 | $ 257 |
| Non-Regulatory Agreement Units | 73 | 32 | 167 | 115 |
| Regulatory Agreement Units | 429 | (14) | 311 | 211 |
| Non-Regulatory Agreement Units | 253 | 5 | 230 | 139 |
| Regulatory offset to NDT fund-related activities | (449) | (63) | (552) | (375) |
| Total Decommissioning-related activities | 437 | 51 | 531 | 347 |
| Net realized and unrealized gains (losses) from equity investments | (7) | (58) | (275) | (11) |
| Other | 10 | 13 | 30 | 32 |
| Total Other, net | $ 440 | $ 6 | $ 286 | $ 368 |
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- Definition This item represents the total investment income and realized and unrealized gains (losses) included in earnings for the period as a result of selling and holding marketable securities held in nuclear decommissioning trust funds and classified as trading securities. No definition available.
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- Definition Gain / loss on nuclear decommissioning trust fund investments abstract. No definition available.
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- Definition This item represents investment income and realized gains (losses) for the period as a result of selling marketable securities held in nuclear decommissioning trust funds classified as trading securities. No definition available.
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- Definition This item represents investment income and realized gains (losses) for the period as a result of selling marketable securities held in nuclear decommissioning trust funds and classified as trading securities. As a result of certain regulatory agreements for these nuclear decommissioning trust funds; upon completion of decommissioning activities, excess (shortfall of) funds will be refunded to (recovered from) rate payers through a regulated affiliate. Therefore, this activity is contractually eliminated within the income statement. No definition available.
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- Definition This item represents the contractual elimination of nuclear decommissioning trust fund-related activity, which may include realized income (losses), unrealized income (losses), asset retirement obligation accretion, asset retirement cost amortization, investment income and related income taxes. As a result of certain regulatory agreements for these nuclear decommissioning trust funds; upon completion of decommissioning activities, excess (shortfall of) funds will be refunded to (recovered from) rate payers through a regulated affiliate. Therefore, this activity is contractually eliminated within the income statement. No definition available.
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- Definition This item represents unrealized gains (losses) included in earnings for the period as a result of holding marketable securities held in nuclear decommissioning trust funds and classified as trading securities. No definition available.
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- Definition This item represents unrealized gains (losses) for the period as a result of holding marketable securities held in nuclear decommissioning trust funds and classified as trading securities. As a result of certain regulatory agreements for these nuclear decommissioning trust funds; upon completion of decommissioning activities, excess (shortfall of) funds will be refunded to (recovered from) rate payers through a regulated affiliate. Therefore, this activity is contractually eliminated within the income statement. No definition available.
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- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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