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Commitments and Contingencies (Wildfire loss expense) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
2017/2018 Wildfire/Mudslide Events |  |  |
Commitments and Contingencies |  |  |
Charge for wildfire-related claims |  | $ 90 | $ 416
Expected revenue from FERC customers |  | (6) | (26)
Total pre-tax charge |  | 84 | 390
Income tax benefit |  | (23) | (109)
Total after-tax charge |  | 61 | 281
Post-2018 Wildfires |  |  |
Commitments and Contingencies |  |  |
Charge for wildfire-related claims | $ 45 | 6 | 150
Expected insurance recoveries | (43) |  | (139)
Total pre-tax charge | 2 | 6 | 11
Income tax benefit | (1) | (2) | (3)
Total after-tax charge | $ 1 | $ 4 | $ 8

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