Condensed Consolidated Statements of Income (Unaudited) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Operating Revenues:
Total operating revenues	$ 4,467,000,000		$ 4,246,000,000		$ 9,111,000,000		$ 8,143,000,000
Other Income and (Expense):
Consolidated Net Income After Dividends on Preferred and Preference Stock of Subsidiaries	611,000,000	[1],[2]	297,000,000	[1],[2]	962,000,000	[1],[3]	378,000,000	[1],[3]
Southern Company [Member]
Operating Revenues:
Retail revenues	3,770,000,000		3,620,000,000		7,628,000,000		6,918,000,000
Wholesale revenues	515,000,000		454,000,000		1,119,000,000		886,000,000
Other electric revenues	169,000,000		156,000,000		334,000,000		311,000,000
Other revenues	13,000,000		16,000,000		30,000,000		28,000,000
Total operating revenues	4,467,000,000		4,246,000,000		9,111,000,000		8,143,000,000
Operating Expenses:
Fuel	1,462,000,000		1,374,000,000		3,109,000,000		2,636,000,000
Purchased power	133,000,000		127,000,000		320,000,000		222,000,000
Other operations and maintenance	1,019,000,000		947,000,000		2,005,000,000		1,921,000,000
Depreciation and amortization	504,000,000		476,000,000		1,001,000,000		942,000,000
Taxes other than income taxes	246,000,000		232,000,000		493,000,000		467,000,000
Estimated loss on Kemper IGCC	0		450,000,000		380,000,000		990,000,000
Total operating expenses	3,364,000,000		3,606,000,000		7,308,000,000		7,178,000,000
Operating Income	1,103,000,000		640,000,000		1,803,000,000		965,000,000
Other Income and (Expense):
Allowance for equity funds used during construction	62,000,000		45,000,000		119,000,000		86,000,000
Interest expense, net of amounts capitalized	(210,000,000)		(215,000,000)		(416,000,000)		(426,000,000)
Other income (expense), net	(6,000,000)		1,000,000		(13,000,000)		(26,000,000)
Total other income and (expense)	(154,000,000)		(169,000,000)		(310,000,000)		(366,000,000)
Earnings Before Income Taxes	949,000,000		471,000,000		1,493,000,000		599,000,000
Income taxes	321,000,000		158,000,000		497,000,000		189,000,000
Consolidated Net Income	628,000,000		313,000,000		996,000,000		410,000,000
Less: Net income attributable to noncontrolling interest	17,000,000		16,000,000		34,000,000		32,000,000
Consolidated Net Income After Dividends on Preferred and Preference Stock of Subsidiaries	611,000,000		297,000,000		962,000,000		378,000,000
Earnings per share (EPS) -
Basic EPS (in dollars per share)	$ 0.68		$ 0.34		$ 1.08		$ 0.43
Diluted EPS (in dollars per share)	$ 0.68		$ 0.34		$ 1.07		$ 0.43
Average number of shares of common stock outstanding (in millions)
Basic (in shares)	895		874		892		872
Diluted (in shares)	899		879		896		877
Cash dividends paid per share of common stock	$ 0.5250		$ 0.5075		$ 1.0325		$ 0.9975
Alabama Power [Member]
Operating Revenues:
Retail revenues	1,249,000,000		1,221,000,000		2,546,000,000		2,362,000,000
Wholesale revenues, non-affiliates	65,000,000		61,000,000		150,000,000		120,000,000
Wholesale revenues, affiliates	68,000,000		60,000,000		137,000,000		116,000,000
Other revenues	55,000,000		50,000,000		112,000,000		102,000,000
Total operating revenues	1,437,000,000		1,392,000,000		2,945,000,000		2,700,000,000
Operating Expenses:
Fuel	414,000,000		401,000,000		846,000,000		773,000,000
Purchased power, non-affiliates	39,000,000		28,000,000		96,000,000		48,000,000
Purchased power, affiliates	37,000,000		41,000,000		86,000,000		72,000,000
Other operations and maintenance	330,000,000		319,000,000		655,000,000		649,000,000
Depreciation and amortization	172,000,000		159,000,000		347,000,000		317,000,000
Taxes other than income taxes	88,000,000		87,000,000		177,000,000		177,000,000
Total operating expenses	1,080,000,000		1,035,000,000		2,207,000,000		2,036,000,000
Operating Income	357,000,000		357,000,000		738,000,000		664,000,000
Other Income and (Expense):
Allowance for equity funds used during construction	11,000,000		8,000,000		21,000,000		16,000,000
Interest expense, net of amounts capitalized	(63,000,000)		(65,000,000)		(125,000,000)		(131,000,000)
Other income (expense), net	(3,000,000)		2,000,000		(8,000,000)		1,000,000
Total other income and (expense)	(55,000,000)		(55,000,000)		(112,000,000)		(114,000,000)
Earnings Before Income Taxes	302,000,000		302,000,000		626,000,000		550,000,000
Income taxes	119,000,000		119,000,000		246,000,000		216,000,000
Consolidated Net Income	183,000,000		183,000,000		380,000,000		334,000,000
Dividends on Preferred and Preference Stock	10,000,000		10,000,000		20,000,000		20,000,000
Consolidated Net Income After Dividends on Preferred and Preference Stock of Subsidiaries	173,000,000		173,000,000		360,000,000		314,000,000
Georgia Power [Member]
Operating Revenues:
Retail revenues	2,000,000,000		1,879,000,000		4,050,000,000		3,608,000,000
Wholesale revenues, non-affiliates	80,000,000		73,000,000		189,000,000		135,000,000
Wholesale revenues, affiliates	10,000,000		5,000,000		31,000,000		11,000,000
Other revenues	96,000,000		85,000,000		185,000,000		170,000,000
Total operating revenues	2,186,000,000		2,042,000,000		4,455,000,000		3,924,000,000
Operating Expenses:
Fuel	619,000,000		557,000,000		1,371,000,000		1,076,000,000
Purchased power, non-affiliates	63,000,000		61,000,000		142,000,000		111,000,000
Purchased power, affiliates	166,000,000		176,000,000		350,000,000		351,000,000
Other operations and maintenance	451,000,000		397,000,000		878,000,000		828,000,000
Depreciation and amortization	209,000,000		204,000,000		417,000,000		404,000,000
Taxes other than income taxes	106,000,000		95,000,000		209,000,000		190,000,000
Total operating expenses	1,614,000,000		1,490,000,000		3,367,000,000		2,960,000,000
Operating Income	572,000,000		552,000,000		1,088,000,000		964,000,000
Other Income and (Expense):
Allowance for equity funds used during construction	10,000,000		7,000,000		16,000,000		13,000,000
Interest expense, net of amounts capitalized	(90,000,000)		(96,000,000)		(174,000,000)		(187,000,000)
Other income (expense), net	1,000,000		1,000,000		(1,000,000)		(1,000,000)
Total other income and (expense)	(79,000,000)		(88,000,000)		(159,000,000)		(175,000,000)
Earnings Before Income Taxes	493,000,000		464,000,000		929,000,000		789,000,000
Income taxes	177,000,000		177,000,000		343,000,000		301,000,000
Consolidated Net Income	316,000,000		287,000,000		586,000,000		488,000,000
Dividends on Preferred and Preference Stock	5,000,000		5,000,000		9,000,000		9,000,000
Consolidated Net Income After Dividends on Preferred and Preference Stock of Subsidiaries	311,000,000		282,000,000		577,000,000		479,000,000
Gulf Power [Member]
Operating Revenues:
Retail revenues	310,344,000		305,550,000		613,464,000		565,427,000
Wholesale revenues, non-affiliates	34,335,000		31,894,000		69,927,000		53,102,000
Wholesale revenues, affiliates	23,627,000		19,050,000		76,405,000		48,505,000
Other revenues	15,225,000		14,679,000		30,867,000		30,413,000
Total operating revenues	383,531,000		371,173,000		790,663,000		697,447,000
Operating Expenses:
Fuel	145,244,000		140,347,000		313,666,000		261,193,000
Purchased power, non-affiliates	14,331,000		13,054,000		29,792,000		24,189,000
Purchased power, affiliates	9,184,000		10,934,000		15,688,000		14,246,000
Other operations and maintenance	81,127,000		76,846,000		165,328,000		155,508,000
Depreciation and amortization	39,010,000		37,081,000		70,867,000		74,134,000
Taxes other than income taxes	25,758,000		23,760,000		52,557,000		47,386,000
Total operating expenses	314,654,000		302,022,000		647,898,000		576,656,000
Operating Income	68,877,000		69,151,000		142,765,000		120,791,000
Other Income and (Expense):
Allowance for equity funds used during construction	2,702,000		1,521,000		5,081,000		2,655,000
Interest expense, net of amounts capitalized	(13,294,000)		(14,293,000)		(26,558,000)		(28,662,000)
Other income (expense), net	(505,000)		(1,391,000)		(1,230,000)		(2,367,000)
Total other income and (expense)	(11,097,000)		(14,163,000)		(22,707,000)		(28,374,000)
Earnings Before Income Taxes	57,780,000		54,988,000		120,058,000		92,417,000
Income taxes	21,433,000		20,755,000		44,717,000		34,841,000
Consolidated Net Income	36,347,000		34,233,000		75,341,000		57,576,000
Dividends on Preferred and Preference Stock	2,250,000		1,651,000		4,501,000		3,202,000
Consolidated Net Income After Dividends on Preferred and Preference Stock of Subsidiaries	34,097,000		32,582,000		70,840,000		54,374,000
Mississippi Power [Member]
Operating Revenues:
Retail revenues	211,326,000		214,254,000		418,364,000		382,564,000
Wholesale revenues, non-affiliates	74,972,000		71,938,000		171,690,000		137,047,000
Wholesale revenues, affiliates	20,165,000		15,902,000		42,954,000		24,243,000
Other revenues	4,512,000		4,341,000		9,128,000		8,515,000
Total operating revenues	310,975,000		306,435,000		642,136,000		552,369,000
Operating Expenses:
Fuel	143,317,000		142,193,000		290,268,000		246,757,000
Purchased power, non-affiliates	1,194,000		1,778,000		12,688,000		3,145,000
Purchased power, affiliates	5,735,000		3,922,000		14,664,000		13,611,000
Other operations and maintenance	60,070,000		54,456,000		126,165,000		109,268,000
Depreciation and amortization	24,242,000		22,209,000		46,936,000		45,442,000
Taxes other than income taxes	20,396,000		20,272,000		40,854,000		39,689,000
Estimated loss on Kemper IGCC	0		450,000,000		380,000,000		912,000,000
Total operating expenses	254,954,000		694,830,000		911,575,000		1,369,912,000
Operating Income	56,021,000		(388,395,000)		(269,439,000)		(817,543,000)
Other Income and (Expense):
Allowance for equity funds used during construction	37,380,000		29,042,000		75,462,000		55,116,000
Interest expense, net of amounts capitalized	(12,620,000)		(10,389,000)		(24,655,000)		(20,798,000)
Other income (expense), net	(1,933,000)		(2,262,000)		(3,732,000)		(3,809,000)
Total other income and (expense)	22,827,000		16,391,000		47,075,000		30,509,000
Earnings Before Income Taxes	78,848,000		(372,004,000)		(222,364,000)		(787,034,000)
Income taxes	15,920,000		(153,327,000)		(113,677,000)		(322,469,000)
Consolidated Net Income	62,928,000		(218,677,000)		(108,687,000)		(464,565,000)
Dividends on Preferred and Preference Stock	433,000		433,000		866,000		866,000
Consolidated Net Income After Dividends on Preferred and Preference Stock of Subsidiaries	62,495,000		(219,110,000)		(109,553,000)		(465,431,000)
Southern Power [Member]
Operating Revenues:
Wholesale revenues, non-affiliates	260,347,000		216,647,000		538,215,000		440,076,000
Wholesale revenues, affiliates	67,563,000		88,638,000		139,896,000		166,829,000
Other revenues	893,000		1,970,000		1,546,000		3,297,000
Total operating revenues	328,803,000		307,255,000		679,657,000		610,202,000
Operating Expenses:
Fuel	118,053,000		110,630,000		242,615,000		230,002,000
Purchased power, non-affiliates	16,594,000		22,307,000		44,487,000		36,880,000
Purchased power, affiliates	16,493,000		6,282,000		45,679,000		14,147,000
Other operations and maintenance	69,330,000		62,661,000		122,045,000		113,611,000
Depreciation and amortization	51,559,000		44,898,000		103,016,000		85,058,000
Taxes other than income taxes	5,701,000		5,453,000		11,384,000		10,807,000
Total operating expenses	277,730,000		252,231,000		569,226,000		490,505,000
Operating Income	51,073,000		55,024,000		110,431,000		119,697,000
Other Income and (Expense):
Interest expense, net of amounts capitalized	(21,966,000)		(20,568,000)		(43,969,000)		(40,962,000)
Other income (expense), net	(32,000)		(1,691,000)		85,000		(1,948,000)
Total other income and (expense)	(21,998,000)		(22,259,000)		(43,884,000)		(42,910,000)
Earnings Before Income Taxes	29,075,000		32,765,000		66,547,000		76,787,000
Income taxes	(2,969,000)		4,843,000		217,000		19,673,000
Consolidated Net Income	32,044,000		27,922,000		66,330,000		57,114,000
Less: Net income attributable to noncontrolling interest	1,232,000		0		2,047,000		0
Average number of shares of common stock outstanding (in millions)
Net income attributable to Southern Power Company	$ 30,812,000		$ 27,922,000		$ 64,283,000		$ 57,114,000

[1] After dividends on preferred and preference stock of subsidiaries.

[2] Segment net income (loss) for the traditional operating companies for the three months ended June 30, 2013 includes a $450.0 million pre-tax charge ($277.9 million after tax) for an estimated probable loss on the Kemper IGCC. See Note (B) under "Integrated Coal Gasification Combined Cycle – Kemper IGCC Schedule and Cost Estimate" herein for additional information.

[3] Segment net income (loss) for the traditional operating companies for the six months ended June 30, 2014 and June 30, 2013 includes $380.0 million in pre-tax charges ($234.7 million after tax) and $990.0 million in pre-tax charges ($611.3 million after tax), respectively, for estimated probable losses on the Kemper IGCC. See Note (B) under "Integrated Coal Gasification Combined Cycle – Kemper IGCC Schedule and Cost Estimate" herein for additional information.