Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Pension and other post retirement benefit plans:
Total other comprehensive income (loss)			$ 6,000,000	$ 11,000,000
Southern Company [Member]
Net Income (loss)	735,000,000	869,000,000	1,731,000,000	1,279,000,000
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	1,000,000	1,000,000	4,000,000	7,000,000
Pension and other post retirement benefit plans:
Reclassification adjustment for amounts included in net income, net of tax	1,000,000	1,000,000	2,000,000	4,000,000
Total other comprehensive income (loss)	2,000,000	2,000,000	6,000,000	11,000,000
Less: Comprehensive income attributable to noncontrolling interest/Dividends on preferred and preference stock of subsidiaries	(17,000,000)	(17,000,000)	(51,000,000)	(49,000,000)
Comprehensive Income (Loss)	720,000,000	854,000,000	1,686,000,000	1,241,000,000
Alabama Power [Member]
Net Income (loss)	292,000,000	268,000,000	672,000,000	602,000,000
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	0	0	1,000,000	1,000,000
Pension and other post retirement benefit plans:
Total other comprehensive income (loss)	0	0	1,000,000	1,000,000
Comprehensive Income (Loss)	292,000,000	268,000,000	673,000,000	603,000,000
Georgia Power [Member]
Net Income (loss)	529,000,000	491,000,000	1,115,000,000	979,000,000
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	0	1,000,000	1,000,000	2,000,000
Pension and other post retirement benefit plans:
Total other comprehensive income (loss)	0	1,000,000	1,000,000	2,000,000
Comprehensive Income (Loss)	529,000,000	492,000,000	1,116,000,000	981,000,000
Gulf Power [Member]
Net Income (loss)	48,798,000	47,005,000	124,139,000	104,581,000
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	93,000	93,000	279,000	379,000
Pension and other post retirement benefit plans:
Total other comprehensive income (loss)	93,000	93,000	279,000	379,000
Comprehensive Income (Loss)	48,891,000	47,098,000	124,418,000	104,960,000
Mississippi Power [Member]
Net Income (loss)	(194,637,000)	(23,682,000)	(303,324,000)	(488,247,000)
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	212,000	212,000	637,000	637,000
Pension and other post retirement benefit plans:
Total other comprehensive income (loss)	212,000	212,000	637,000	637,000
Comprehensive Income (Loss)	(194,425,000)	(23,470,000)	(302,687,000)	(487,610,000)
Southern Power [Member]
Net Income (loss)	65,278,000	85,153,000	131,608,000	142,267,000
Qualifying hedges:
Changes in fair value, net of tax	(1,000)	0	(1,000)	0
Reclassification adjustment for amounts included in net income, net of tax	84,000	338,000	281,000	3,619,000
Pension and other post retirement benefit plans:
Total other comprehensive income (loss)	83,000	338,000	280,000	3,619,000
Less: Comprehensive income attributable to noncontrolling interest/Dividends on preferred and preference stock of subsidiaries	(1,647,000)	0	(3,694,000)	0
Comprehensive Income (Loss)	$ 63,714,000	$ 85,491,000	$ 128,194,000	$ 145,886,000