Consolidated Statements of Cash Flows (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Activities:
Net Income (Loss)	$ 2,031,000,000us-gaap_ProfitLoss	$ 1,710,000,000us-gaap_ProfitLoss	$ 2,415,000,000us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided from operating activities --
Depreciation and amortization, total	2,293,000,000	2,298,000,000	2,145,000,000
Deferred income taxes	709,000,000us-gaap_DeferredIncomeTaxExpenseBenefit	496,000,000us-gaap_DeferredIncomeTaxExpenseBenefit	1,096,000,000us-gaap_DeferredIncomeTaxExpenseBenefit
Investment tax credits	35,000,000us-gaap_InvestmentTaxCredit	302,000,000us-gaap_InvestmentTaxCredit	128,000,000us-gaap_InvestmentTaxCredit
Allowance for equity funds used during construction	(245,000,000)	(190,000,000)	(143,000,000)
Pension, postretirement, and other employee benefits	(515,000,000)	131,000,000	(398,000,000)
Stock based compensation expense	63,000,000us-gaap_StockOptionPlanExpense	59,000,000us-gaap_StockOptionPlanExpense	55,000,000us-gaap_StockOptionPlanExpense
Estimated loss on Kemper IGCC	868,000,000	1,180,000,000	0
Amortization of Deferred Investment Tax Credits	(22,000,000)	(16,000,000)	(23,000,000)
Other, net	(38,000,000)us-gaap_OtherNoncashIncomeExpense	(41,000,000)us-gaap_OtherNoncashIncomeExpense	51,000,000us-gaap_OtherNoncashIncomeExpense
Changes in certain current assets and liabilities --
-Receivables	(352,000,000)us-gaap_IncreaseDecreaseInReceivables	(153,000,000)us-gaap_IncreaseDecreaseInReceivables	234,000,000us-gaap_IncreaseDecreaseInReceivables
-Fossil fuel stock	408,000,000	481,000,000	(452,000,000)
-Materials and supplies	(67,000,000)	36,000,000	(97,000,000)
-Other current assets	(57,000,000)	(11,000,000)	(37,000,000)
-Accounts payable	267,000,000	72,000,000	(89,000,000)
-Accrued taxes	(105,000,000)so_IncreaseDecreaseInAccruedTaxes	(85,000,000)so_IncreaseDecreaseInAccruedTaxes	(71,000,000)so_IncreaseDecreaseInAccruedTaxes
-Accrued compensation	255,000,000	(138,000,000)	(28,000,000)
-Mirror CWIP	180,000,000so_MirrorConstructionWorkInProgress	0so_MirrorConstructionWorkInProgress	0so_MirrorConstructionWorkInProgress
-Other current liabilities	85,000,000	(50,000,000)	89,000,000
Net cash provided from operating activities	5,815,000,000	6,097,000,000	4,898,000,000
Investing Activities:
Property additions	(5,977,000,000)	(5,463,000,000)	(4,809,000,000)
Investment in restricted cash	(11,000,000)	(149,000,000)	(280,000,000)
Distribution of restricted cash	57,000,000	96,000,000	284,000,000
Nuclear decommissioning trust fund purchases	(916,000,000)	(986,000,000)	(1,046,000,000)
Nuclear decommissioning trust fund sales	914,000,000us-gaap_ProceedsFromDecommissioningFund	984,000,000us-gaap_ProceedsFromDecommissioningFund	1,043,000,000us-gaap_ProceedsFromDecommissioningFund
Cost of removal, net of salvage	(170,000,000)	(131,000,000)	(149,000,000)
Change in construction payables	(107,000,000)so_ChangeInConstructionPayables	(126,000,000)so_ChangeInConstructionPayables	(84,000,000)so_ChangeInConstructionPayables
Prepaid Long-Term Service Agreement	(181,000,000)so_PrepaidLongTermServiceAgreement	(91,000,000)so_PrepaidLongTermServiceAgreement	(146,000,000)so_PrepaidLongTermServiceAgreement
Other investing activities	(17,000,000)	124,000,000	19,000,000
Net cash used for investing activities	(6,408,000,000)	(5,742,000,000)	(5,168,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	(676,000,000)	662,000,000	(30,000,000)
Proceeds --
Long-term debt issuances	3,169,000,000	2,938,000,000	4,404,000,000
Interest-bearing refundable deposit related to asset sale	125,000,000	0	150,000,000
Issuance of preference stock	0	50,000,000	0
Common stock issuances	806,000,000	695,000,000	397,000,000
Redemptions and repurchases --
Long-term debt	(816,000,000)	(2,830,000,000)	(3,169,000,000)
Common stock repurchased	(5,000,000)	(20,000,000)	(430,000,000)
Payment of common stock dividends	(1,866,000,000)us-gaap_PaymentsOfDividendsCommonStock	(1,762,000,000)us-gaap_PaymentsOfDividendsCommonStock	(1,693,000,000)us-gaap_PaymentsOfDividendsCommonStock
Payment of dividends on preferred and preference stock of subsidiaries	(68,000,000)	(66,000,000)	(65,000,000)
Other financing activities	(25,000,000)	9,000,000	19,000,000
Net cash provided from (used for) financing activities	644,000,000	(324,000,000)	(417,000,000)
Net Change in Cash and Cash Equivalents	51,000,000	31,000,000	(687,000,000)
Cash and Cash Equivalents at Beginning of Year	659,000,000	628,000,000	1,315,000,000
Cash and Cash Equivalents at End of Year	710,000,000	659,000,000	628,000,000
Supplemental Cash Flow Information [Abstract]
Interest paid, net of amounts capitalized	732,000,000us-gaap_InterestPaidNet	759,000,000us-gaap_InterestPaidNet	803,000,000us-gaap_InterestPaidNet
Income taxes (net of refunds)	272,000,000us-gaap_IncomeTaxesPaidNet	139,000,000us-gaap_IncomeTaxesPaidNet	38,000,000us-gaap_IncomeTaxesPaidNet
Capital contributions from noncontrolling interests	221,000,000
Alabama Power [Member]
Operating Activities:
Net Income (Loss)	800,000,000	751,000,000	743,000,000
Adjustments to reconcile net income to net cash provided from operating activities --
Depreciation and amortization, total	724,000,000	816,000,000	767,000,000
Deferred income taxes	270,000,000	198,000,000	164,000,000
Allowance for equity funds used during construction	(49,000,000)	(32,000,000)	(19,000,000)
Pension, postretirement, and other employee benefits	(61,000,000)	9,000,000	(21,000,000)
Stock based compensation expense	11,000,000	10,000,000	9,000,000
Amortization of Deferred Investment Tax Credits	(8,000,000)	(8,000,000)	(8,000,000)
Other, net	17,000,000	(38,000,000)	(24,000,000)
Changes in certain current assets and liabilities --
-Receivables	(58,000,000)	2,000,000	23,000,000
-Fossil fuel stock	61,000,000	146,000,000	(132,000,000)
-Materials and supplies	(17,000,000)	19,000,000	(21,000,000)
-Other current assets	(11,000,000)	5,000,000	(4,000,000)
-Accounts payable	157,000,000	35,000,000	(77,000,000)
-Accrued taxes	(199,000,000)	(23,000,000)	(12,000,000)
-Accrued compensation	50,000,000	(23,000,000)	(3,000,000)
-Retail fuel cost over-recovery—short-term	5,000,000	42,000,000	1,000,000
-Other current liabilities	9,000,000	(3,000,000)	(18,000,000)
Net cash provided from operating activities	1,709,000,000	1,914,000,000	1,376,000,000
Investing Activities:
Property additions	(1,457,000,000)	(1,107,000,000)	(867,000,000)
Nuclear decommissioning trust fund purchases	(245,000,000)	(280,000,000)	(194,000,000)
Nuclear decommissioning trust fund sales	244,000,000	279,000,000	193,000,000
Cost of removal, net of salvage	(77,000,000)	(47,000,000)	(33,000,000)
Change in construction payables	(10,000,000)	(13,000,000)	12,000,000
Other investing activities	(22,000,000)	26,000,000	(45,000,000)
Net cash used for investing activities	(1,567,000,000)	(1,142,000,000)	(934,000,000)
Proceeds --
Capital contributions from parent company	28,000,000	24,000,000	27,000,000
Pollution control revenue bonds issuances and remarketings	254,000,000	0	0
Senior note issuances	400,000,000	300,000,000	1,000,000,000
Redemptions and repurchases --
Pollution control revenue bonds	(254,000,000)	0	(1,000,000)
Senior notes	0	(250,000,000)	(950,000,000)
Payment of preferred and preference stock dividends	(39,000,000)	(39,000,000)	(39,000,000)
Payment of common stock dividends	(550,000,000)	(644,000,000)	(684,000,000)
Other financing activities	(3,000,000)	(5,000,000)	(2,000,000)
Net cash provided from (used for) financing activities	(164,000,000)	(614,000,000)	(649,000,000)
Net Change in Cash and Cash Equivalents	(22,000,000)	158,000,000	(207,000,000)
Cash and Cash Equivalents at Beginning of Year	295,000,000	137,000,000	344,000,000
Cash and Cash Equivalents at End of Year	273,000,000	295,000,000	137,000,000
Supplemental Cash Flow Information [Abstract]
Interest paid, net of amounts capitalized	231,000,000	243,000,000	273,000,000
Income taxes (net of refunds)	436,000,000	296,000,000	309,000,000
Noncash transactions - accrued property additions at year-end	8,000,000	18,000,000	31,000,000
Georgia Power [Member]
Operating Activities:
Net Income (Loss)	1,242,000,000	1,191,000,000	1,185,000,000
Adjustments to reconcile net income to net cash provided from operating activities --
Depreciation and amortization, total	1,019,000,000	979,000,000	912,000,000
Deferred income taxes	352,000,000	476,000,000	377,000,000
Allowance for equity funds used during construction	(45,000,000)	(30,000,000)	(53,000,000)
Retail fuel cost-recovery - long-term	(44,000,000)	(123,000,000)	123,000,000
Pension, postretirement, and other employee benefits	19,000,000	66,000,000	21,000,000
Pension and Other Postretirement Benefit Contributions	(156,000,000)	(8,000,000)	(12,000,000)
Amortization of Deferred Investment Tax Credits	(10,000,000)	(5,000,000)	(13,000,000)
Other, net	39,000,000	38,000,000	(12,000,000)
Changes in certain current assets and liabilities --
-Receivables	(248,000,000)	(58,000,000)	205,000,000
-Fossil fuel stock	303,000,000	250,000,000	(269,000,000)
-Prepaid income taxes	(216,000,000)	(17,000,000)	(7,000,000)
-Other current assets	(37,000,000)	40,000,000	(53,000,000)
-Accounts payable	16,000,000	67,000,000	(165,000,000)
-Accrued taxes	17,000,000	(14,000,000)	(76,000,000)
-Accrued compensation	62,000,000	(37,000,000)	(18,000,000)
-Retail fuel cost over-recovery—short-term	(14,000,000)	(49,000,000)	107,000,000
-Other current liabilities	54,000,000	(5,000,000)	30,000,000
Net cash provided from operating activities	2,363,000,000	2,766,000,000	2,295,000,000
Investing Activities:
Property additions	(2,023,000,000)	(1,743,000,000)	(1,723,000,000)
Investment in restricted cash from pollution control bonds	0	(89,000,000)	(284,000,000)
Distribution of restricted cash from pollution control revenue bonds	0	89,000,000	284,000,000
Nuclear decommissioning trust fund purchases	(671,000,000)	(706,000,000)	(852,000,000)
Nuclear decommissioning trust fund sales	669,000,000	705,000,000	850,000,000
Cost of removal, net of salvage	(65,000,000)	(59,000,000)	(82,000,000)
Change in construction payables, net of joint owner portion	(54,000,000)	(67,000,000)	(149,000,000)
Prepaid Long-Term Service Agreement	(70,000,000)	(18,000,000)	(34,000,000)
Other investing activities	8,000,000	(2,000,000)	17,000,000
Net cash used for investing activities	(2,206,000,000)	(1,890,000,000)	(1,973,000,000)
Financing Activities:
Increase (decrease) in notes payable, net	(891,000,000)	1,047,000,000	(513,000,000)
Proceeds --
Capital contributions from parent company	549,000,000	37,000,000	42,000,000
Pollution control revenue bonds issuances and remarketings	40,000,000	194,000,000	284,000,000
Senior note issuances	0	850,000,000	2,300,000,000
Federal Financing Bank Loan	1,200,000,000	0	0
Redemptions and repurchases --
Pollution control revenue bonds	(37,000,000)	(298,000,000)	(284,000,000)
Senior notes	0	(1,775,000,000)	(850,000,000)
Other long-term debt	0	0	(250,000,000)
Payment of preferred and preference stock dividends	(17,000,000)	(17,000,000)	(17,000,000)
Payment of common stock dividends	(954,000,000)	(907,000,000)	(983,000,000)
Federal Financing Bank Loan Issuance Costs	(49,000,000)	(5,000,000)	(3,000,000)
Other financing activities	(4,000,000)	(17,000,000)	(16,000,000)
Net cash provided from (used for) financing activities	(163,000,000)	(891,000,000)	(290,000,000)
Net Change in Cash and Cash Equivalents	(6,000,000)	(15,000,000)	32,000,000
Cash and Cash Equivalents at Beginning of Year	30,000,000	45,000,000	13,000,000
Cash and Cash Equivalents at End of Year	24,000,000	30,000,000	45,000,000
Supplemental Cash Flow Information [Abstract]
Interest paid, net of amounts capitalized	319,000,000	344,000,000	337,000,000
Income taxes (net of refunds)	507,000,000	298,000,000	312,000,000
Noncash transactions - accrued property additions at year-end	154,000,000	208,000,000	261,000,000
Gulf Power [Member]
Operating Activities:
Net Income (Loss)	149,179,000	132,133,000	132,135,000
Adjustments to reconcile net income to net cash provided from operating activities --
Depreciation and amortization, total	152,670,000	155,798,000	147,723,000
Deferred income taxes	65,330,000	77,069,000	174,305,000
Allowance for equity funds used during construction	(12,021,000)	(6,448,000)	(5,221,000)
Pension, postretirement, and other employee benefits	(23,305,000)	11,422,000	(8,109,000)
Stock based compensation expense	1,928,000	1,749,000	1,647,000
Amortization of Deferred Investment Tax Credits	(1,300,000)	(1,400,000)	(1,400,000)
Other, net	(1,233,000)	5,865,000	4,518,000
Changes in certain current assets and liabilities --
-Receivables	(17,178,000)	(49,051,000)	8,713,000
-Fossil fuel stock	33,603,000	19,468,000	(6,144,000)
-Materials and supplies	(721,000)	(1,570,000)	(3,035,000)
-Prepaid income taxes	(19,179,000)	15,526,000	355,000
-Other current assets	(883,000)	682,000	417,000
-Accounts payable	8,279,000	(6,964,000)	(5,195,000)
-Accrued taxes	(1,924,000)	(4,759,000)	(4,705,000)
-Accrued compensation	11,237,000	(3,309,000)	481,000
-Over recovered regulatory clause revenues	0	(17,092,000)	(10,858,000)
-Other current liabilities	(2,704,000)	(782,000)	(7,837,000)
Net cash provided from operating activities	343,078,000	329,737,000	419,190,000
Investing Activities:
Property additions	(348,305,000)	(292,914,000)	(313,257,000)
Cost of removal, net of salvage	(12,932,000)	(13,827,000)	(28,993,000)
Change in construction payables	11,574,000	6,796,000	1,161,000
Payments pursuant to long-term service agreements	(8,012,000)	(7,109,000)	(8,119,000)
Other investing activities	(19,000)	496,000	656,000
Net cash used for investing activities	(357,694,000)	(306,558,000)	(348,552,000)
Financing Activities:
Increase (decrease) in notes payable, net	(25,900,000)	12,108,000	16,075,000
Proceeds --
Issuance of preference stock	0	50,000,000	0
Common stock issuances	50,000,000	40,000,000	40,000,000
Capital contributions from parent company	4,037,000	2,987,000	2,106,000
Pollution control revenue bonds issuances and remarketings	42,075,000	63,000,000	13,000,000
Senior note issuances	200,000,000	90,000,000	100,000,000
Redemptions and repurchases --
Pollution control revenue bonds	(29,075,000)	(76,000,000)	(13,000,000)
Senior notes	(75,000,000)	(90,000,000)	(91,363,000)
Payment of preferred and preference stock dividends	(9,003,000)	(7,004,000)	(6,203,000)
Payment of common stock dividends	(123,200,000)	(115,400,000)	(115,800,000)
Other financing activities	(2,457,000)	(3,284,000)	(614,000)
Net cash provided from (used for) financing activities	31,477,000	(33,593,000)	(55,799,000)
Net Change in Cash and Cash Equivalents	16,861,000	(10,414,000)	14,839,000
Cash and Cash Equivalents at Beginning of Year	21,753,000	32,167,000	17,328,000
Cash and Cash Equivalents at End of Year	38,614,000	21,753,000	32,167,000
Supplemental Cash Flow Information [Abstract]
Interest paid, net of amounts capitalized	48,030,000	53,401,000	58,255,000
Income taxes (net of refunds)	44,125,000	(10,727,000)	(96,639,000)
Noncash transactions - accrued property additions at year-end	41,526,000	31,546,000	27,369,000
Mississippi Power [Member]
Operating Activities:
Net Income (Loss)	(326,948,000)	(474,892,000)	101,675,000
Adjustments to reconcile net income to net cash provided from operating activities --
Depreciation and amortization, total	104,422,000	92,465,000	86,981,000
Deferred income taxes	145,417,000	(396,400,000)	17,688,000
Investment tax credits	(38,366,000)	144,036,000	82,464,000
Allowance for equity funds used during construction	(136,436,000)	(121,629,000)	(64,793,000)
Pension, postretirement, and other employee benefits	(28,899,000)	13,953,000	(35,425,000)
Hedge settlements	0	0	(15,983,000)
Stock based compensation expense	2,903,000	2,510,000	2,084,000
Regulatory assets associated with Kemper IGCC	(71,816,000)	(35,220,000)	(15,445,000)
Estimated loss on Kemper IGCC	868,000,000	1,102,000,000	78,000,000
Kemper regulatory deferral	0	90,524,000	0
Amortization of Deferred Investment Tax Credits	(1,400,000)	(1,200,000)	(1,200,000)
Other, net	14,022,000	14,585,000	10,516,000
Changes in certain current assets and liabilities --
-Receivables	(19,065,000)	(25,001,000)	(6,589,000)
-Under recovered regulatory clause revenues	(2,471,000)	0	0
-Fossil fuel stock	13,121,000	63,093,000	(36,206,000)
-Materials and supplies	(15,496,000)	(11,087,000)	(3,473,000)
-Prepaid income taxes	(50,457,000)	16,644,000	(3,852,000)
-Other current assets	(3,940,000)	(4,363,000)	(19,851,000)
-Accounts payable	32,661,000	12,693,000	8,814,000
-Accrued taxes	39,392,000	11,141,000	13,768,000
-Accrued interest	29,349,000	16,768,000	17,627,000
-Accrued compensation	17,008,000	(6,382,000)	(183,000)
-Over recovered regulatory clause revenues	(17,826,000)	(58,979,000)	16,836,000
-Mirror CWIP	180,255,000	0	0
-Other current liabilities	(446,000)	1,109,000	757,000
Net cash provided from operating activities	734,384,000	447,568,000	235,410,000
Investing Activities:
Property additions	(1,257,440,000)	(1,640,782,000)	(1,620,047,000)
Investment in restricted cash	(10,548,000)	0	0
Distribution of restricted cash	10,548,000	0	0
Cost of removal, net of salvage	(13,418,000)	(10,386,000)	(4,355,000)
Change in construction payables	(49,532,000)	(50,000,000)	78,961,000
Capital grant proceeds	0	4,500,000	13,372,000
Proceeds from asset sales	0	79,020,000	0
Other investing activities	(19,217,000)	14,903,000	(16,706,000)
Net cash used for investing activities	(1,339,607,000)	(1,602,745,000)	(1,548,775,000)
Proceeds --
Interest-bearing refundable deposit related to asset sale	125,000,000	0	150,000,000
Capital contributions from parent company	451,387,000	1,077,088,000	702,971,000
Bonds-Other	22,866,000	42,342,000	51,471,000
Senior note issuances	0	0	600,000,000
Other long-term debt issuances	470,000,000	475,000,000	50,000,000
Redemptions and repurchases --
Bonds-Other	(34,116,000)	(82,563,000)	0
Capital Leases	(2,539,000)	(697,000)	(633,000)
Senior notes	0	(50,000,000)	(90,000,000)
Other long-term debt	(220,000,000)	(125,000,000)	(115,000,000)
Return of paid in capital	(219,720,000)	(104,804,000)	0
Payment of preferred and preference stock dividends	(1,733,000)	(1,733,000)	(1,733,000)
Payment of common stock dividends	0	(71,956,000)	(106,800,000)
Other financing activities	1,414,000	(2,343,000)	6,512,000
Net cash provided from (used for) financing activities	592,559,000	1,155,334,000	1,246,788,000
Net Change in Cash and Cash Equivalents	(12,664,000)	157,000	(66,577,000)
Cash and Cash Equivalents at Beginning of Year	145,165,000	145,008,000	211,585,000
Cash and Cash Equivalents at End of Year	132,501,000	145,165,000	145,008,000
Supplemental Cash Flow Information [Abstract]
Interest paid, net of amounts capitalized	6,992,000	20,285,000	32,589,000
Income taxes (net of refunds)	(379,158,000)	(134,198,000)	(77,580,000)
Noncash transactions - accrued property additions at year-end	114,469,000	164,863,000	214,863,000
Noncash transactions - capital lease obligation	0	82,915,000	0
Southern Power [Member]
Operating Activities:
Net Income (Loss)	175,075,000	165,533,000	175,285,000
Adjustments to reconcile net income to net cash provided from operating activities --
Depreciation and amortization, total	225,234,000	183,239,000	156,268,000
Deferred income taxes	(168,110,000)	171,301,000	228,780,000
Investment tax credits	73,512,000	158,096,000	45,047,000
Amortization of Deferred Investment Tax Credits	(11,399,000)	(5,535,000)	(2,633,000)
Deferred revenues	(20,860,000)	(18,477,000)	(12,633,000)
Mark-to-market adjustments	(1,894,000)	850,000	(9,275,000)
Other, net	11,629,000	3,335,000	3,104,000
Changes in certain current assets and liabilities --
-Receivables	(25,596,000)	(11,178,000)	(1,384,000)
-Fossil fuel stock	(2,576,000)	2,438,000	(8,578,000)
-Materials and supplies	(3,613,000)	(8,410,000)	(7,825,000)
-Prepaid income taxes	35,284,000	(29,609,000)	(3,223,000)
-Other current assets	(1,822,000)	(2,219,000)	(1,624,000)
-Accounts payable	30,352,000	(11,572,000)	10,514,000
-Accrued taxes	284,348,000	(299,000)	431,000
-Accrued interest	1,166,000	6,093,000	385,000
-Other current liabilities	1,646,000	777,000	492,000
Net cash provided from operating activities	602,376,000	604,363,000	573,131,000
Investing Activities:
Property additions	(20,566,000)	(500,756,000)	(116,633,000)
Cash paid for acquisitions	(730,509,000)	(132,163,000)	(124,059,000)
Change in construction payables, net of joint owner portion	(279,000)	(4,072,000)	(27,387,000)
Payments pursuant to long-term service agreements	(60,554,000)	(57,269,000)	(63,932,000)
Other investing activities	(1,756,000)	(1,725,000)	(446,000)
Net cash used for investing activities	(813,664,000)	(695,985,000)	(332,457,000)
Financing Activities:
Increase (decrease) in notes payable, net	194,917,000	(70,968,000)	(108,552,000)
Proceeds --
Capital contributions from parent company	146,356,000	1,487,000	(662,000)
Senior note issuances	0	300,000,000	0
Other long-term debt issuances	10,253,000	23,583,000	5,470,000
Redemptions and repurchases --
Other long-term debt	(9,513,000)	(9,284,000)	(2,450,000)
Payments to Noncontrolling Interests	(1,089,000)	(506,000)	0
Proceeds from Noncontrolling Interests	7,531,000	17,328,000	3,400,000
Payment of common stock dividends	(131,120,000)	(129,120,000)	(127,000,000)
Other financing activities	(185,000)	(746,000)	769,000
Net cash provided from (used for) financing activities	217,150,000	131,774,000	(229,025,000)
Net Change in Cash and Cash Equivalents	5,862,000	40,152,000	11,649,000
Cash and Cash Equivalents at Beginning of Year	68,744,000	28,592,000	16,943,000
Cash and Cash Equivalents at End of Year	74,606,000	68,744,000	28,592,000
Supplemental Cash Flow Information [Abstract]
Interest paid, net of amounts capitalized	85,168,000	60,396,000	50,248,000
Income taxes (net of refunds)	(219,641,000)	(226,179,000)	(175,269,000)
Noncash transactions - accrued property additions at year-end	852,000	5,567,000	11,203,000
Acquisitions	228,964,000	0	0
Capital contributions from noncontrolling interests	$ 220,734,000	$ 0	$ 0

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