Commitments and Contingencies - Schedule of Settlement of Claims (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	84 Months Ended
Jun. 30, 2026	Jun. 30, 2026	Jun. 30, 2026
Commitments and Contingencies
Total	$ 309	$ 384	$ 11,252
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Total	10	19	9,707
Other Wildfire Events
Commitments and Contingencies
Total	62	85	1,028
Eaton Fire
Commitments and Contingencies
Total	$ 237	$ 280	$ 517

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details