Statements of Common Stockholders' Equity - GPC - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Georgia Power	Georgia Power Common Stock	Georgia Power Paid-In Capital	Georgia Power Retained Earnings	Georgia Power Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020		1,058					9
Beginning balance at Dec. 31, 2020						$ 16,501	$ 398	$ 12,361	$ 3,789	$ (47)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 2,309					584			584
Capital contributions from parent company						1,792		1,792
Other comprehensive income	158				$ 158	6				6
Cash dividends on common stock	(2,777)			$ (2,777)		(1,649)			(1,649)
Other	(7)		$ (8)	2
Ending balance (in shares) at Dec. 31, 2021		1,061					9
Ending balance at Dec. 31, 2021						17,234	$ 398	14,153	2,724	(41)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,428					1,813			1,813
Capital contributions from parent company						1,473		1,473
Other comprehensive income	71				71	28				28
Cash dividends on common stock	(2,907)			(2,907)		(1,691)			(1,691)
Other	(6)		9	(8)	(1)	1			0	1
Ending balance (in shares) at Dec. 31, 2022		1,090					9
Ending balance at Dec. 31, 2022	30,408					18,858	$ 398	15,626	2,846	(12)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,849					2,080			2,080
Capital contributions from parent company						2,297		2,297
Other comprehensive income	(10)				$ (10)	3				3
Cash dividends on common stock	(3,035)			(3,035)		(1,855)			(1,855)
Other	(5)		$ (1)	$ 3
Ending balance (in shares) at Dec. 31, 2023		1,092					9
Ending balance at Dec. 31, 2023	$ 31,444					$ 21,383	$ 398	$ 17,923	$ 3,071	$ (9)