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

Financing and Leases - Georgia Power Lease Modifications (Details) - USD ($) $ in Millions	Jun. 30, 2026	May 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Operating lease ROU assets, net	$ 1,369		$ 1,358
Operating lease obligations	207		197
GEORGIA POWER CO
Debt Instrument [Line Items]
Operating lease ROU assets, net	881		1,120
Operating lease obligations	132		$ 170
GEORGIA POWER CO \| Revision of Prior Period, Adjustment
Debt Instrument [Line Items]
Operating lease ROU assets, net		$ 179
Operating lease obligations		$ 197
Finance lease ROU assets, net	1,300
Finance lease obligations - current	$ 1,300