Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Activities:
Consolidated net income	$ 926,000,000	$ 2,529,000,000	$ 2,435,000,000
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total	3,457,000,000	2,923,000,000	2,395,000,000
Deferred income taxes	166,000,000	(127,000,000)	1,404,000,000
Amortization of investment tax credits	(22,000,000)	(22,000,000)	(21,000,000)
Collateral deposits	(4,000,000)	(102,000,000)	0
Allowance for equity funds used during construction	(160,000,000)	(202,000,000)	(226,000,000)
Pension and postretirement funding	(2,000,000)	(1,029,000,000)	(7,000,000)
Settlement of asset retirement obligations	(177,000,000)	(171,000,000)	(37,000,000)
Stock based compensation expense	109,000,000	121,000,000	99,000,000
Hedge settlements	6,000,000	(233,000,000)	(17,000,000)
Estimated Loss On Integrated Coal Gasification Combined Cycle Project, Non-Cash	3,179,000,000	428,000,000	365,000,000
Income taxes receivable, non-current	(47,000,000)	(122,000,000)	(413,000,000)
Other, net	(109,000,000)	(99,000,000)	49,000,000
Changes in certain current assets and liabilities —
-Receivables	(199,000,000)	(544,000,000)	243,000,000
-Fossil fuel for generation	36,000,000	178,000,000	61,000,000
-Natural gas for sale	36,000,000	(226,000,000)	0
-Other current assets	(143,000,000)	(206,000,000)	(152,000,000)
-Accounts payable	(280,000,000)	301,000,000	(353,000,000)
-Accrued taxes	(142,000,000)	1,456,000,000	352,000,000
-Retail fuel cost over recovery	(212,000,000)	(231,000,000)	289,000,000
-Mirror CWIP	0	0	(271,000,000)
-Other current liabilities	(45,000,000)	250,000,000	58,000,000
Net cash provided from operating activities	6,395,000,000	4,894,000,000	6,274,000,000
Investing Activities:
Business acquisitions, net of cash acquired	(1,070,000,000)	(10,689,000,000)	(1,719,000,000)
Property additions	(7,423,000,000)	(7,310,000,000)	(5,674,000,000)
Proceeds pursuant to the Toshiba Guarantee, net of joint owner portion	1,682,000,000	0	0
Investment in restricted cash	(17,000,000)	(733,000,000)	(160,000,000)
Distribution of restricted cash	34,000,000	742,000,000	154,000,000
Nuclear decommissioning trust fund purchases	(811,000,000)	(1,160,000,000)	(1,424,000,000)
Nuclear decommissioning trust fund sales	805,000,000	1,154,000,000	1,418,000,000
Cost of removal, net of salvage	(313,000,000)	(245,000,000)	(167,000,000)
Change in construction payables, net	259,000,000	(121,000,000)	402,000,000
Investment in unconsolidated subsidiaries	(152,000,000)	(1,444,000,000)	0
Payments pursuant to LTSAs	(227,000,000)	(134,000,000)	(197,000,000)
Other investing activities	42,000,000	(108,000,000)	87,000,000
Net cash used for investing activities	(7,191,000,000)	(20,048,000,000)	(7,280,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	(401,000,000)	1,228,000,000	73,000,000
Proceeds —
Long-term debt	5,858,000,000	16,368,000,000	7,029,000,000
Common stock	793,000,000	3,758,000,000	256,000,000
Preferred stock	250,000,000	0	0
Short-term borrowings	1,259,000,000	0	755,000,000
Redemptions and repurchases —
Long-term debt	(2,930,000,000)	(3,145,000,000)	(3,604,000,000)
Common stock	0	0	(115,000,000)
Interest-bearing refundable deposits	0	0	(275,000,000)
Preferred and preference stock	(658,000,000)	0	(412,000,000)
Short-term borrowings	(659,000,000)	(478,000,000)	(255,000,000)
Distributions to noncontrolling interests	(119,000,000)	(72,000,000)	(18,000,000)
Capital contributions from noncontrolling interests	80,000,000	682,000,000	341,000,000
Purchase of membership interests from noncontrolling interests	0	0	0
Payment of common stock dividends	(2,300,000,000)	(2,104,000,000)	(1,959,000,000)
Other financing activities	(222,000,000)	(512,000,000)	(116,000,000)
Net cash provided from financing activities	951,000,000	15,725,000,000	1,700,000,000
Net Change in Cash and Cash Equivalents	155,000,000	571,000,000	694,000,000
Cash and Cash Equivalents at Beginning of Year	1,975,000,000	1,404,000,000	710,000,000
Cash and Cash Equivalents at End of Year	2,130,000,000	1,975,000,000	1,404,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	1,700,000,000	1,100,000,000	809,000,000
Income taxes (net of refunds)	(410,000,000)	(148,000,000)	(9,000,000)
Noncash transactions -
Accrued property additions at year-end	985,000,000	1,300,000,000	844,000,000
ALABAMA POWER CO
Operating Activities:
Consolidated net income	866,000,000	839,000,000	811,000,000
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total	888,000,000	844,000,000	780,000,000
Deferred income taxes	409,000,000	407,000,000	388,000,000
Amortization of investment tax credits	(7,000,000)	(8,000,000)	(8,000,000)
Allowance for equity funds used during construction	(39,000,000)	(28,000,000)	(60,000,000)
Pension and postretirement funding	(2,000,000)	(133,000,000)	0
Other, net	(14,000,000)	(102,000,000)	15,000,000
Changes in certain current assets and liabilities —
-Receivables	(168,000,000)	94,000,000	(160,000,000)
-Other current assets	(16,000,000)	1,000,000	40,000,000
-Accounts payable	71,000,000	73,000,000	3,000,000
-Accrued taxes	(84,000,000)	93,000,000	138,000,000
-Retail fuel cost over recovery	(76,000,000)	(162,000,000)	191,000,000
-Other current liabilities	2,000,000	23,000,000	(4,000,000)
Net cash provided from operating activities	1,837,000,000	1,949,000,000	2,142,000,000
Investing Activities:
Property additions	(1,882,000,000)	(1,272,000,000)	(1,367,000,000)
Nuclear decommissioning trust fund purchases	(237,000,000)	(352,000,000)	(439,000,000)
Nuclear decommissioning trust fund sales	237,000,000	351,000,000	438,000,000
Cost of removal, net of salvage	(112,000,000)	(94,000,000)	(71,000,000)
Change in construction payables, net	161,000,000	(37,000,000)	(15,000,000)
Other investing activities	(43,000,000)	(34,000,000)	(34,000,000)
Net cash used for investing activities	(1,876,000,000)	(1,438,000,000)	(1,488,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	3,000,000	0	0
Proceeds —
Preferred stock	250,000,000	0	0
Senior notes	1,100,000,000	400,000,000	975,000,000
Pollution control revenue bonds	0	0	80,000,000
Other long-term debt	0	45,000,000	0
Capital contributions from parent company	361,000,000	260,000,000	22,000,000
Redemptions and repurchases —
Preferred and preference stock	(238,000,000)	0	(412,000,000)
Senior notes	(525,000,000)	(200,000,000)	(650,000,000)
Pollution control revenue bonds	(36,000,000)	0	(134,000,000)
Payment of common stock dividends	(714,000,000)	(765,000,000)	(571,000,000)
Other financing activities	(38,000,000)	(25,000,000)	(43,000,000)
Net cash provided from financing activities	163,000,000	(285,000,000)	(733,000,000)
Net Change in Cash and Cash Equivalents	124,000,000	226,000,000	(79,000,000)
Cash and Cash Equivalents at Beginning of Year	420,000,000	194,000,000	273,000,000
Cash and Cash Equivalents at End of Year	544,000,000	420,000,000	194,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	285,000,000	277,000,000	250,000,000
Income taxes (net of refunds)	236,000,000	(108,000,000)	121,000,000
Noncash transactions -
Accrued property additions at year-end	245,000,000	84,000,000	121,000,000
GEORGIA POWER CO
Operating Activities:
Consolidated net income	1,428,000,000	1,347,000,000	1,277,000,000
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total	1,100,000,000	1,063,000,000	1,029,000,000
Deferred income taxes	458,000,000	383,000,000	173,000,000
Amortization of investment tax credits	(10,000,000)	(10,000,000)	(10,000,000)
Pension, postretirement, and other employee benefits	(68,000,000)	(33,000,000)	40,000,000
Retail fuel cost-recovery - long-term	0	0	106,000,000
Pension and postretirement funding	0	(287,000,000)	(7,000,000)
Settlement of asset retirement obligations	(120,000,000)	(123,000,000)	(29,000,000)
Other deferred charges - affiliated	0	(111,000,000)	0
Other, net	(83,000,000)	(25,000,000)	(70,000,000)
Changes in certain current assets and liabilities —
-Receivables	(256,000,000)	60,000,000	187,000,000
-Fossil fuel for generation	(16,000,000)	104,000,000	37,000,000
-Prepaid income taxes	(168,000,000)	0	89,000,000
-Other current assets	(28,000,000)	(38,000,000)	(62,000,000)
-Accounts payable	(219,000,000)	(42,000,000)	(259,000,000)
-Accrued taxes	1,000,000	131,000,000	25,000,000
-Retail fuel cost over recovery	(84,000,000)	(32,000,000)	10,000,000
-Other current liabilities	(33,000,000)	28,000,000	(29,000,000)
Net cash provided from operating activities	1,912,000,000	2,425,000,000	2,517,000,000
Investing Activities:
Property additions	(2,704,000,000)	(2,223,000,000)	(2,091,000,000)
Proceeds pursuant to the Toshiba Guarantee, net of joint owner portion	1,682,000,000	0	0
Nuclear decommissioning trust fund purchases	(574,000,000)	(808,000,000)	(985,000,000)
Nuclear decommissioning trust fund sales	568,000,000	803,000,000	980,000,000
Cost of removal, net of salvage	(100,000,000)	(83,000,000)	(71,000,000)
Change in construction payables, net of joint owner portion	223,000,000	(35,000,000)	217,000,000
Payments pursuant to LTSAs	(64,000,000)	(34,000,000)	(66,000,000)
Sale of property	96,000,000	10,000,000	70,000,000
Other investing activities	(39,000,000)	23,000,000	2,000,000
Net cash used for investing activities	(912,000,000)	(2,347,000,000)	(1,944,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	(391,000,000)	234,000,000	2,000,000
Proceeds —
Short-term borrowings	700,000,000	0	250,000,000
Senior notes	1,350,000,000	650,000,000	500,000,000
Pollution control revenue bonds	65,000,000	0	409,000,000
Other long-term debt	370,000,000	0	0
Capital contributions from parent company	431,000,000	594,000,000	62,000,000
FFB loan	0	425,000,000	1,000,000,000
Redemptions and repurchases —
Preferred and preference stock	(270,000,000)	0	0
Short-term borrowings	(550,000,000)	0	(250,000,000)
Senior notes	(450,000,000)	(700,000,000)	(1,175,000,000)
Pollution control revenue bonds	(65,000,000)	(4,000,000)	(268,000,000)
Payment of common stock dividends	(1,281,000,000)	(1,305,000,000)	(1,034,000,000)
Other financing activities	(60,000,000)	(36,000,000)	(26,000,000)
Net cash provided from financing activities	(151,000,000)	(142,000,000)	(530,000,000)
Net Change in Cash and Cash Equivalents	849,000,000	(64,000,000)	43,000,000
Cash and Cash Equivalents at Beginning of Year	3,000,000	67,000,000	24,000,000
Cash and Cash Equivalents at End of Year	852,000,000	3,000,000	67,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	386,000,000	375,000,000	353,000,000
Income taxes (net of refunds)	496,000,000	170,000,000	506,000,000
Noncash transactions -
Accrued property additions at year-end	550,000,000	336,000,000	387,000,000
Capital lease obligation	0	0	149,000,000
GULF POWER CO
Operating Activities:
Consolidated net income	139,000,000	140,000,000	157,000,000
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total	149,000,000	179,000,000	152,000,000
Deferred income taxes	72,000,000	57,000,000	90,000,000
Pension and postretirement funding	0	(48,000,000)	0
Loss on Plant Scherer Unit 3	33,000,000	0	0
Other, net	(3,000,000)	(3,000,000)	4,000,000
Changes in certain current assets and liabilities —
-Receivables	(43,000,000)	15,000,000	33,000,000
-Fossil fuel for generation	8,000,000	37,000,000	(6,000,000)
-Prepaid income taxes	8,000,000	(11,000,000)	32,000,000
-Other current assets	(2,000,000)	(1,000,000)	(2,000,000)
-Accounts payable	20,000,000	5,000,000	(22,000,000)
-Over recovered regulatory clause revenues	(12,000,000)	1,000,000	22,000,000
-Other current liabilities	(13,000,000)	8,000,000	0
Net cash provided from operating activities	356,000,000	379,000,000	460,000,000
Investing Activities:
Property additions	(202,000,000)	(178,000,000)	(235,000,000)
Cost of removal, net of salvage	(21,000,000)	(9,000,000)	(10,000,000)
Change in construction payables, net	(2,000,000)	13,000,000	(28,000,000)
Other investing activities	(9,000,000)	(6,000,000)	(8,000,000)
Net cash used for investing activities	(234,000,000)	(180,000,000)	(281,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	(223,000,000)	126,000,000	32,000,000
Proceeds —
Common stock	175,000,000	0	20,000,000
Senior notes	300,000,000	0	0
Pollution control revenue bonds	0	0	13,000,000
Capital contributions from parent company	2,000,000	20,000,000	4,000,000
Redemptions and repurchases —
Preferred and preference stock	(150,000,000)	0	0
Senior notes	(85,000,000)	(235,000,000)	(60,000,000)
Pollution control revenue bonds	0	0	(13,000,000)
Payment of common stock dividends	(165,000,000)	(120,000,000)	(130,000,000)
Other financing activities	(4,000,000)	(8,000,000)	(10,000,000)
Net cash provided from financing activities	(150,000,000)	(217,000,000)	(144,000,000)
Net Change in Cash and Cash Equivalents	(28,000,000)	(18,000,000)	35,000,000
Cash and Cash Equivalents at Beginning of Year	56,000,000	74,000,000	39,000,000
Cash and Cash Equivalents at End of Year	28,000,000	56,000,000	74,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	46,000,000	53,000,000	52,000,000
Income taxes (net of refunds)	12,000,000	21,000,000	(7,000,000)
Noncash transactions -
Accrued property additions at year-end	31,000,000	33,000,000	20,000,000
Receivables related to energy services	(7,000,000)	0	0
Receivables Related to Energy Services	7,000,000	0	0
MISSISSIPPI POWER CO
Operating Activities:
Consolidated net income	(2,588,000,000)	(48,000,000)	(6,000,000)
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total	198,000,000	157,000,000	126,000,000
Deferred income taxes	(727,000,000)	(67,000,000)	777,000,000
Investment tax credits	0	0	(210,000,000)
Amortization of investment tax credits	(1,000,000)	(1,000,000)	(1,000,000)
Allowance for equity funds used during construction	(72,000,000)	(124,000,000)	(110,000,000)
Pension and postretirement funding	0	(47,000,000)	0
Regulatory assets associated with Kemper IGCC	(19,000,000)	(12,000,000)	(61,000,000)
Estimated Loss On Integrated Coal Gasification Combined Cycle Project, Non-Cash	3,179,000,000	428,000,000	365,000,000
Income taxes receivable, non-current	0	0	(544,000,000)
Other, net	(12,000,000)	(20,000,000)	8,000,000
Changes in certain current assets and liabilities —
-Receivables	540,000,000	13,000,000	28,000,000
-Fossil fuel for generation	24,000,000	4,000,000	(4,000,000)
-Prepaid income taxes	0	39,000,000	(35,000,000)
-Other current assets	(13,000,000)	(12,000,000)	(14,000,000)
-Accounts payable	(3,000,000)	(14,000,000)	(34,000,000)
Increase (decrease) in interest payable, net	(29,000,000)	27,000,000	(2,000,000)
-Accrued taxes	80,000,000	14,000,000	(11,000,000)
-Over recovered regulatory clause revenues	(51,000,000)	(45,000,000)	96,000,000
-Mirror CWIP	0	0	(271,000,000)
-Customer liability associated with Kemper refunds	(1,000,000)	(73,000,000)	73,000,000
-Other current liabilities	(3,000,000)	9,000,000	2,000,000
Net cash provided from operating activities	503,000,000	229,000,000	173,000,000
Investing Activities:
Property additions	(429,000,000)	(798,000,000)	(857,000,000)
Change in construction payables, net	(47,000,000)	(26,000,000)	(9,000,000)
Government grant proceeds	0	137,000,000	0
Other investing activities	(28,000,000)	(10,000,000)	(40,000,000)
Net cash used for investing activities	(504,000,000)	(697,000,000)	(906,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	(18,000,000)	0	0
Proceeds —
Short-term borrowings	109,000,000	0	505,000,000
Other long-term debt	0	1,200,000,000	0
Capital contributions from parent company	1,002,000,000	627,000,000	277,000,000
Long-term debt issuance to parent company	40,000,000	200,000,000	275,000,000
Redemptions and repurchases —
Short-term borrowings	(109,000,000)	(478,000,000)	(5,000,000)
Senior notes	(35,000,000)	(300,000,000)	0
Long-term debt redemption to parent company	(591,000,000)	(225,000,000)	0
Other long-term debt	(300,000,000)	(425,000,000)	(350,000,000)
Other financing activities	(2,000,000)	(2,000,000)	(1,000,000)
Repayments of long-term capital lease obligations	71,000,000	3,000,000	3,000,000
Net cash provided from financing activities	25,000,000	594,000,000	698,000,000
Net Change in Cash and Cash Equivalents	24,000,000	126,000,000	(35,000,000)
Cash and Cash Equivalents at Beginning of Year	224,000,000	98,000,000	133,000,000
Cash and Cash Equivalents at End of Year	248,000,000	224,000,000	98,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	65,000,000	50,000,000	45,000,000
Income taxes (net of refunds)	(424,000,000)	(97,000,000)	(33,000,000)
Noncash transactions -
Accrued property additions at year-end	32,000,000	78,000,000	105,000,000
Issuance of promissory note to parent related to repayment of interest-bearing refundable deposits and accrued interest	0	0	301,000,000
SOUTHERN POWER CO
Operating Activities:
Consolidated net income	1,117,000,000	374,000,000	229,000,000
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total	536,000,000	370,000,000	254,000,000
Deferred income taxes	(263,000,000)	(1,063,000,000)	42,000,000
Investment tax credits	0	0	162,000,000
Amortization of investment tax credits	(57,000,000)	(37,000,000)	(19,000,000)
Collateral deposits	(4,000,000)	(102,000,000)	0
Income taxes receivable, non-current	(61,000,000)	(13,000,000)	0
Accrued income taxes, non-current	14,000,000	(109,000,000)	109,000,000
Other, net	(9,000,000)	12,000,000	(2,000,000)
Changes in certain current assets and liabilities —
-Receivables	(60,000,000)	(54,000,000)	18,000,000
-Other current assets	(4,000,000)	(25,000,000)	(30,000,000)
-Accrued taxes	(55,000,000)	940,000,000	269,000,000
-Other current liabilities	1,000,000	46,000,000	(29,000,000)
Net cash provided from operating activities	1,155,000,000	339,000,000	1,003,000,000
Investing Activities:
Business acquisitions, net of cash acquired	(1,032,000,000)	(2,294,000,000)	(1,719,000,000)
Property additions	(268,000,000)	(2,114,000,000)	(1,005,000,000)
Investment in restricted cash	(16,000,000)	(733,000,000)	(159,000,000)
Distribution of restricted cash	34,000,000	736,000,000	154,000,000
Change in construction payables, net of joint owner portion	(153,000,000)	(57,000,000)	251,000,000
Payments pursuant to long-term service agreements	(203,000,000)	(350,000,000)	(82,000,000)
Other investing activities	15,000,000	15,000,000	22,000,000
Net cash used for investing activities	(1,623,000,000)	(4,797,000,000)	(2,538,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	(104,000,000)	73,000,000	(58,000,000)
Proceeds —
Senior notes	525,000,000	2,831,000,000	1,650,000,000
Other long-term debt	43,000,000	65,000,000	402,000,000
Capital contributions from parent company	0	1,850,000,000	646,000,000
Redemptions and repurchases —
Senior notes	(500,000,000)	(200,000,000)	(525,000,000)
Other long-term debt	(18,000,000)	(86,000,000)	(4,000,000)
Distributions to noncontrolling interests	(119,000,000)	(57,000,000)	(18,000,000)
Capital contributions from noncontrolling interests	80,000,000	682,000,000	341,000,000
Purchase of membership interests from noncontrolling interests	(59,000,000)	(129,000,000)	0
Payment of common stock dividends	(317,000,000)	(272,000,000)	(131,000,000)
Other financing activities	(33,000,000)	(30,000,000)	(13,000,000)
Net cash provided from financing activities	(502,000,000)	4,727,000,000	2,290,000,000
Net Change in Cash and Cash Equivalents	(970,000,000)	269,000,000	755,000,000
Cash and Cash Equivalents at Beginning of Year	1,099,000,000	830,000,000	75,000,000
Cash and Cash Equivalents at End of Year	129,000,000	1,099,000,000	830,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	189,000,000	89,000,000	74,000,000
Income taxes (net of refunds)	(487,000,000)	116,000,000	(518,000,000)
Noncash transactions -
Accrued property additions at year-end	32,000,000	251,000,000	257,000,000
Acquisitions	0	461,000,000	0
SOUTHERN Co GAS
Operating Activities:
Consolidated net income	243,000,000
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total	501,000,000
Deferred income taxes	236,000,000
Amortization of investment tax credits	(4,000,000)
Pension, postretirement, and other employee benefits	(1,000,000)
Pension and postretirement funding	0
Loss on Plant Scherer Unit 3	0
Stock based compensation expense	32,000,000
Hedge settlements	0
Goodwill impairment	0
Mark-to-market adjustments	(24,000,000)
Other, net	(83,000,000)
Changes in certain current assets and liabilities —
-Receivables	(91,000,000)
-Prepaid income taxes	(39,000,000)
-Natural gas for sale	36,000,000
-Other current assets	(24,000,000)
-Accounts payable	(20,000,000)
-Accrued taxes	110,000,000
-Accrued compensation	15,000,000
Other current liabilities	(8,000,000)
Net cash provided from operating activities	883,000,000
Investing Activities:
Property additions	(1,514,000,000)
Cost of removal, net of salvage	(66,000,000)
Change in construction payables, net	72,000,000
Investment in unconsolidated subsidiaries	(145,000,000)
Returned investment in unconsolidated subsidiaries	80,000,000
Other investing activities	3,000,000
Net cash used for investing activities	(1,570,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	262,000,000
Proceeds —
First mortgage bonds	400,000,000
Senior notes	450,000,000
Capital contributions from parent company	103,000,000
Redemptions and repurchases —
Medium-term notes	(22,000,000)
Senior notes	0
First mortgage bonds	0
Distributions to noncontrolling interests	0
Purchase of 15% noncontrolling interest in SouthStar	0
Payment of common stock dividends	(443,000,000)
Other financing activities	(9,000,000)
Net cash provided from financing activities	741,000,000
Net Change in Cash and Cash Equivalents	54,000,000
Cash and Cash Equivalents at Beginning of Year	19,000,000
Cash and Cash Equivalents at End of Year	73,000,000	19,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	223,000,000
Income taxes (net of refunds)	72,000,000
Noncash transactions -
Accrued property additions at year-end	$ 135,000,000
Predecessor | SOUTHERN Co GAS
Operating Activities:
Consolidated net income			373,000,000
Adjustments to reconcile consolidated net income to net cash provided from operating activities —
Depreciation and amortization, total			397,000,000
Deferred income taxes			211,000,000
Amortization of investment tax credits			(2,000,000)
Pension, postretirement, and other employee benefits			24,000,000
Pension and postretirement funding			0
Stock based compensation expense			34,000,000
Hedge settlements			0
Goodwill impairment			14,000,000
Mark-to-market adjustments			22,000,000
Other, net			43,000,000
Changes in certain current assets and liabilities —
-Receivables			615,000,000
-Prepaid income taxes			23,000,000
-Natural gas for sale			72,000,000
-Other current assets			(11,000,000)
-Accounts payable			(434,000,000)
-Accrued taxes			(20,000,000)
-Accrued compensation			(6,000,000)
Other current liabilities			24,000,000
Net cash provided from operating activities			1,381,000,000
Investing Activities:
Property additions			(961,000,000)
Cost of removal, net of salvage			(84,000,000)
Change in construction payables, net			18,000,000
Investment in unconsolidated subsidiaries			(12,000,000)
Returned investment in unconsolidated subsidiaries			12,000,000
Other investing activities			0
Net cash used for investing activities			(1,027,000,000)
Financing Activities:
Increase (decrease) in notes payable, net			(165,000,000)
Proceeds —
First mortgage bonds			0
Senior notes			250,000,000
Capital contributions from parent company			0
Redemptions and repurchases —
Medium-term notes			0
Senior notes			(200,000,000)
First mortgage bonds			0
Distributions to noncontrolling interests			(18,000,000)
Purchase of 15% noncontrolling interest in SouthStar			0
Payment of common stock dividends			(244,000,000)
Other financing activities			11,000,000
Net cash provided from financing activities			(366,000,000)
Net Change in Cash and Cash Equivalents			(12,000,000)
Cash and Cash Equivalents at Beginning of Year		19,000,000	31,000,000
Cash and Cash Equivalents at End of Year			19,000,000
Supplemental Cash Flow Information:
Interest, net of amounts capitalized		$ 181,000,000
Income taxes (net of refunds)			(26,000,000)
Noncash transactions -
Accrued property additions at year-end			$ 48,000,000