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Condensed Statements of Comprehensive Income (Unaudited) - GPC (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Changes in fair value, tax $ 3 $ 2 $ (11) $ (5)
Qualifying hedges, reclassification adjustment, tax 12 8 25 32
GEORGIA POWER CO        
Changes in fair value, tax 0 0 (1) 8
Qualifying hedges, reclassification adjustment, tax $ 0 $ 0 $ 1 $ 1