Summarized Financial Information of Capital Holdings (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013		Jun. 30, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
NEECH a 100% owned subsidiary of NEE	100.00%		100.00%
Condensed Consolidating Statements of Income
Operating revenues	$ 4,654	$ 4,394	$ 12,357	$ 11,506
Operating expenses	(3,491)	(3,209)	(9,504)	(8,905)
Interest expense	(316)	(288)	(940)	(825)
Equity in earnings of subsidiaries	0	0	0	0
Other income - net	96	98	395	227	[1]
Income (loss) from continuing operations before income taxes	943	995	2,308	2,003	[1]
Income tax expense (benefit)	279	297	723	653	[1]
Income (Loss) from Continuing Operations	664	698	1,585	1,350	[1],[2]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0	0	0	231	[1],[2],[3]
Net Income (Loss)	664	698	1,585	1,581
LESS NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(4)	0	(4)	0
Net Income (Loss) Attributable to Parent	660	698	1,581	1,581
Comprehensive income (loss) attributable to NEE	648	718	1,572	1,754
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	72,911		72,911				69,448
Less accumulated depreciation and amortization	(17,844)		(17,844)				(16,728)
Total property, plant and equipment - net	55,067		55,067				52,720
CURRENT ASSETS
Cash and cash equivalents	485	558	485	558
Receivables	2,411		2,411				2,289
Other	2,737		2,737				3,115
Total current assets	5,633		5,633				5,842
OTHER ASSETS
Investment in subsidiaries	0		0				0
Other	11,493		11,493				10,744
Total other assets	11,493		11,493				10,744
TOTAL ASSETS	72,193		72,193				69,306
CAPITALIZATION
Common shareholders' equity	18,810		18,810				18,040
Noncontrolling Interest	334		334			0	0
Long-term debt	24,853		24,853				23,969
Total capitalization	43,997		43,997				42,009
CURRENT LIABILITIES
Debt due within one year	4,570		4,570				4,457
Accounts payable	1,496		1,496				1,200
Other	3,506		3,506				3,532
Total current liabilities	9,572		9,572				9,189
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	1,935		1,935				1,850
Deferred income taxes	7,999		7,999				8,144
Other	8,690		8,690				8,114
Total other liabilities and deferred credits	18,624		18,624				18,108
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	72,193		72,193				69,306
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES			3,968	3,390
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases			(5,058)	(4,659)
Capital contribution to FPL			0	0
Cash grants under the Recovery Act			321	170
Sale of independent power investments			307	0
Change in loan proceeds restricted for construction			(18)	245
Proceeds from the sale of a noncontrolling interest in subsidiaries			438	0
Other - net			(68)	(22)
Net cash used in investing activities			(4,078)	(4,266)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt			4,244	3,653
Retirements of long-term debt			(3,688)	(1,669)
Proceeds from sale of differential membership interests			39	201
Net change in short-term debt			495	(495)
Issuances of common stock			57	415
Dividends on common stock			(945)	(836)
Other Financing Activities, Not Otherwise Separately Disclosed			(45)	(164)
Proceeds from (Payments for) Other Financing Activities			8	(117)
Net cash provided by (used in) financing activities			157	1,105
Net increase (decrease) in cash and cash equivalents			47	229
Cash and cash equivalents at beginning of period			438	329
Cash and cash equivalents at end of period	485	558	485	558
NextEra Energy (Guarantor) [Member]
Condensed Consolidating Statements of Income
Operating revenues	0	0	0	0
Operating expenses	(4)	(4)	(13)	(11)
Interest expense	(2)	(2)	(5)	(7)
Equity in earnings of subsidiaries	660	700	1,602	1,572
Other income - net	1	0	2	1
Income (loss) from continuing operations before income taxes	655	694	1,586	1,555
Income tax expense (benefit)	(5)	(4)	5	(11)	[1]
Income (Loss) from Continuing Operations			1,581	1,566	[1]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES			0	15	[1]
Net Income (Loss)	660	698	1,581	1,581
LESS NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	0	0	0	0
Net Income (Loss) Attributable to Parent	660	698	1,581	1,581
Comprehensive income (loss) attributable to NEE	648	718	1,572	1,754
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	27		27				31
Less accumulated depreciation and amortization	(11)		(11)				(10)
Total property, plant and equipment - net	16		16				21
CURRENT ASSETS
Cash and cash equivalents	1	1	1	1
Receivables	527		527				78
Other	8		8				6
Total current assets	536		536				84
OTHER ASSETS
Investment in subsidiaries	18,583		18,583				17,910
Other	748		748				694
Total other assets	19,331		19,331				18,604
TOTAL ASSETS	19,883		19,883				18,709
CAPITALIZATION
Common shareholders' equity	18,810		18,810				18,040
Noncontrolling Interest	0		0				0
Long-term debt	0		0				0
Total capitalization	18,810		18,810				18,040
CURRENT LIABILITIES
Debt due within one year	0		0				0
Accounts payable	0		0				0
Other	651		651				199
Total current liabilities	651		651				199
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	0		0				0
Deferred income taxes	187		187				166
Other	235		235				304
Total other liabilities and deferred credits	422		422				470
TOTAL CAPITALIZATION AND LIABILITIES	19,883		19,883				18,709
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES			1,353	1,174
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases			(1)	0
Capital contribution to FPL			(100)	0
Cash grants under the Recovery Act			0	0
Sale of independent power investments			0	0
Change in loan proceeds restricted for construction			0	0
Proceeds from the sale of a noncontrolling interest in subsidiaries			0	0
Other - net			(284)	(668)
Net cash used in investing activities			(385)	(668)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt			0	0
Retirements of long-term debt			0	0
Proceeds from sale of differential membership interests			0	0
Net change in short-term debt			0	0
Issuances of common stock			57	415
Dividends on common stock			(945)	(836)
Proceeds from (Payments for) Other Financing Activities			(79)	(86)
Net cash provided by (used in) financing activities			(967)	(507)
Net increase (decrease) in cash and cash equivalents			1	(1)
Cash and cash equivalents at beginning of period			0	2
Cash and cash equivalents at end of period	1	1	1	1
Capital Holdings Consolidated [Member]
Condensed Consolidating Statements of Income
Operating revenues	1,343	1,377	3,628	3,611
Operating expenses	(1,010)	(965)	(3,011)	(3,043)
Interest expense	(204)	(182)	(614)	(513)
Equity in earnings of subsidiaries	0	0	0	0
Other income - net	91	87	369	187	[1]
Income (loss) from continuing operations before income taxes	220	317	372	242	[1]
Income tax expense (benefit)	17	38	(3)	(13)
Income (Loss) from Continuing Operations			375	255	[1]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES			0	216	[1]
Net Income (Loss)	203	279	375	471
LESS NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(4)	0	(4)	0
Net Income (Loss) Attributable to Parent	199	279	371	471
Comprehensive income (loss) attributable to NEE	187	298	357	636
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	31,279		31,279				29,511
Less accumulated depreciation and amortization	(6,448)		(6,448)				(5,774)
Total property, plant and equipment - net	24,831		24,831				23,737
CURRENT ASSETS
Cash and cash equivalents	455	504	455	504
Receivables	1,686		1,686				1,542
Other	1,556		1,556				1,814
Total current assets	3,697		3,697				3,774
OTHER ASSETS
Investment in subsidiaries	0		0				0
Other	5,528		5,528				5,129
Total other assets	5,528		5,528				5,129
TOTAL ASSETS	34,056		34,056				32,640
CAPITALIZATION
Common shareholders' equity	5,468		5,468				4,816
Noncontrolling Interest	263		263				0
Long-term debt	15,439		15,439				15,496
Total capitalization	21,170		21,170				20,312
CURRENT LIABILITIES
Debt due within one year	4,231		4,231				3,896
Accounts payable	822		822				589
Other	1,984		1,984				2,203
Total current liabilities	7,037		7,037				6,688
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	598		598				565
Deferred income taxes	1,692		1,692				1,963
Other	3,559		3,559				3,112
Total other liabilities and deferred credits	5,849		5,849				5,640
TOTAL CAPITALIZATION AND LIABILITIES	34,056		34,056				32,640
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES			1,041	494
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases			(2,675)	(2,450)
Capital contribution to FPL			0	0
Cash grants under the Recovery Act			321	170
Sale of independent power investments			307	0
Change in loan proceeds restricted for construction			(18)	245
Proceeds from the sale of a noncontrolling interest in subsidiaries			438	0
Other - net			(60)	20
Net cash used in investing activities			(1,687)	(2,015)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt			3,246	3,155
Retirements of long-term debt			(3,333)	(1,216)
Proceeds from sale of differential membership interests			39	201
Net change in short-term debt			419	(971)
Issuances of common stock			0	0
Dividends on common stock			0	0
Proceeds from (Payments for) Other Financing Activities			312	569
Net cash provided by (used in) financing activities			683	1,738
Net increase (decrease) in cash and cash equivalents			37	217
Cash and cash equivalents at beginning of period			418	287
Cash and cash equivalents at end of period	455	504	455	504
Other Consolidated Entity And Consolidation Eliminations [Member]
Condensed Consolidating Statements of Income
Operating revenues	3,311	3,017	8,729	7,895
Operating expenses	(2,477)	(2,240)	(6,480)	(5,851)
Interest expense	(110)	(104)	(321)	(305)
Equity in earnings of subsidiaries	(660)	(700)	(1,602)	(1,572)
Other income - net	4	11	24	39
Income (loss) from continuing operations before income taxes	68	(16)	350	206
Income tax expense (benefit)	267	263	721	677
Income (Loss) from Continuing Operations			(371)	(471)
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES			0	0
Net Income (Loss)	(199)	(279)	(371)	(471)
LESS NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	0	0	0	0
Net Income (Loss) Attributable to Parent	(199)	(279)	(371)	(471)
Comprehensive income (loss) attributable to NEE	(187)	(298)	(357)	(636)
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	41,605		41,605				39,906
Less accumulated depreciation and amortization	(11,385)		(11,385)				(10,944)
Total property, plant and equipment - net	30,220		30,220				28,962
CURRENT ASSETS
Cash and cash equivalents	29	53	29	53
Receivables	198		198				669
Other	1,173		1,173				1,295
Total current assets	1,400		1,400				1,984
OTHER ASSETS
Investment in subsidiaries	(18,583)		(18,583)				(17,910)
Other	5,217		5,217				4,921
Total other assets	(13,366)		(13,366)				(12,989)
TOTAL ASSETS	18,254		18,254				17,957
CAPITALIZATION
Common shareholders' equity	(5,468)		(5,468)				(4,816)
Noncontrolling Interest	71		71				0
Long-term debt	9,414		9,414				8,473
Total capitalization	4,017		4,017				3,657
CURRENT LIABILITIES
Debt due within one year	339		339				561
Accounts payable	674		674				611
Other	871		871				1,130
Total current liabilities	1,884		1,884				2,302
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	1,337		1,337				1,285
Deferred income taxes	6,120		6,120				6,015
Other	4,896		4,896				4,698
Total other liabilities and deferred credits	12,353		12,353				11,998
TOTAL CAPITALIZATION AND LIABILITIES	18,254		18,254				17,957
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES			1,574	1,722
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases			(2,382)	(2,209)
Capital contribution to FPL			100	0
Cash grants under the Recovery Act			0	0
Sale of independent power investments			0	0
Change in loan proceeds restricted for construction			0	0
Proceeds from the sale of a noncontrolling interest in subsidiaries			0	0
Other - net			276	626
Net cash used in investing activities			(2,006)	(1,583)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt			998	498
Retirements of long-term debt			(355)	(453)
Proceeds from sale of differential membership interests			0	0
Net change in short-term debt			76	476
Issuances of common stock			0	0
Dividends on common stock			0	0
Proceeds from (Payments for) Other Financing Activities			(278)	(647)
Net cash provided by (used in) financing activities			441	(126)
Net increase (decrease) in cash and cash equivalents			9	13
Cash and cash equivalents at beginning of period			20	40
Cash and cash equivalents at end of period	$ 29	$ 53	$ 29	$ 53

[1] Certain amounts were restated to conform to current year's presentation. See Note 4 - Nonrecurring Fair Value Measurements.

[2] Prior year amounts were restated to conform to current year's presentation. See Note 4 - Nonrecurring Fair Value Measurements

[3] See Note 6.