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Commitments and Contingencies - Schedule of Accrual Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended | 69 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2025
Loss contingency accrual roll forward |  |
Balance at December 31, 2024 | $ 1,001 |
Increase in accrued estimated losses | 21 |
Amounts paid | (164) | $ (10,182)
Balance at March 31, 2025 | 858 | 858
2017/2018 Wildfire/Mudslide Events |  |
Loss contingency accrual roll forward |  |
Balance at December 31, 2024 | 426 |
Increase in accrued estimated losses | 0 |
Amounts paid | (99) | (9,553)
Balance at March 31, 2025 | 327 | 327
Other Wildfire Events |  |
Loss contingency accrual roll forward |  |
Balance at December 31, 2024 | 575 |
Increase in accrued estimated losses | 21 |
Amounts paid | (65) | (629)
Balance at March 31, 2025 | $ 531 | $ 531

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-10 + Details
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- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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- Details
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