Summarized Financial Information of Capital Holdings (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014	Jun. 30, 2013		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	$ 4,029		$ 3,833		$ 7,703	$ 7,112
Operating expenses	(3,078)		(2,852)		(6,013)	(5,697)
Interest expense	(305)		(266)		(624)	(537)
Equity in earnings of subsidiaries	0		0		0	0
Other income (deductions) - net	138		106	[1]	299	129
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	784		821	[1]	1,365	1,007
Income tax expense (benefit)	292		211	[1]	444	355
Income (loss) from continuing operations	492		610		921	652	[2]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		0		0	231	[2],[3]
Net income (loss)	492		610	[1]	921	883
COMPREHENSIVE INCOME	530		644		924	1,036
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	71,433				71,433			69,448
Less accumulated depreciation and amortization	(17,402)				(17,402)			(16,728)
Total property, plant and equipment - net	54,031				54,031			52,720
CURRENT ASSETS
Cash and cash equivalents	622		411		622	411
Receivables	2,292				2,292			2,289
Other	3,185				3,185			3,115
Total current assets	6,099				6,099			5,842
OTHER ASSETS
Investment in subsidiaries	0				0			0
Other	11,460				11,460			10,744
Total other assets	11,460				11,460			10,744
TOTAL ASSETS	71,590				71,590			69,306
CAPITALIZATION
Common shareholders' equity	18,429				18,429			18,040
Long-term debt	25,049				25,049			23,969
Total capitalization	43,478				43,478			42,009
CURRENT LIABILITIES
Debt due within one year	4,901				4,901			4,457
Accounts payable	1,475				1,475			1,200
Other	3,314				3,314			3,532
Total current liabilities	9,690				9,690			9,189
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	1,905				1,905			1,850
Deferred income taxes	8,227				8,227			8,144
Other	8,290				8,290			8,114
Total other liabilities and deferred credits	18,422				18,422			18,108
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	71,590				71,590			69,306
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES					2,448	2,250
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases					(3,239)	(3,154)
Capital contribution to FPL					0	0
Cash grants under the Recovery Act					306	170
Sale of independent power investments					273	0
Change in loan proceeds restricted for construction					(366)	207
Other - net					(79)	(8)
Net cash used in investing activities					(3,105)	(2,785)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt					2,729	2,862
Retirements of long-term debt					(2,275)	(1,425)
Proceeds from sale of differential membership interests					39	201
Net change in short-term debt					925	(370)
Issuances of common stock					42	9
Dividends on common stock					(630)	(557)
Other Financing Activities, Not Otherwise Separately Disclosed					53	(94)
Proceeds from (Payments for) Other Financing Activities					53	(66)
Net cash provided by (used in) financing activities					841	617
Net increase (decrease) in cash and cash equivalents					184	82
Cash and cash equivalents at beginning of period					438	329
Cash and cash equivalents at end of period	622		411		622	411
NextEra Energy (Guarantor) [Member]
Condensed Consolidating Statements of Income
Operating revenues	0		0		0	0
Operating expenses	(4)		(4)		(8)	(7)
Interest expense	(2)		(2)		(3)	(5)
Equity in earnings of subsidiaries	507		623		942	872
Other income (deductions) - net	1		(1)	[1]	0	1
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	502		616	[1]	931	861
Income tax expense (benefit)	10		6	[1]	10	(7)
Income (loss) from continuing operations					921	868
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES					0	15
Net income (loss)	492		610	[1]	921	883
COMPREHENSIVE INCOME	530		644		924	1,036
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	32				32			31
Less accumulated depreciation and amortization	(12)				(12)			(10)
Total property, plant and equipment - net	20				20			21
CURRENT ASSETS
Cash and cash equivalents	19		0		19	0
Receivables	233				233			78
Other	60				60			6
Total current assets	312				312			84
OTHER ASSETS
Investment in subsidiaries	18,253				18,253			17,910
Other	750				750			694
Total other assets	19,003				19,003			18,604
TOTAL ASSETS	19,335				19,335			18,709
CAPITALIZATION
Common shareholders' equity	18,429				18,429			18,040
Long-term debt	0				0			0
Total capitalization	18,429				18,429			18,040
CURRENT LIABILITIES
Debt due within one year	0				0			0
Accounts payable	1				1			0
Other	417				417			199
Total current liabilities	418				418			199
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	0				0			0
Deferred income taxes	234				234			166
Other	254				254			304
Total other liabilities and deferred credits	488				488			470
TOTAL CAPITALIZATION AND LIABILITIES	19,335				19,335			18,709
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES					754	598
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases					0	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
Other - net					7	0
Net cash used in investing activities					(93)	0
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
Dividends on common stock					(630)	(557)
Proceeds from (Payments for) Other Financing Activities					(12)	(43)
Net cash provided by (used in) financing activities					(642)	(600)
Net increase (decrease) in cash and cash equivalents					19	(2)
Cash and cash equivalents at beginning of period					0	2
Cash and cash equivalents at end of period	19		0		19	0
Capital Holdings Consolidated [Member]
Condensed Consolidating Statements of Income
Operating revenues	1,143		1,140		2,286	2,234
Operating expenses	(969)		(878)		(2,001)	(2,078)
Interest expense	(194)		(161)		(410)	(331)
Equity in earnings of subsidiaries	0		0		0	0
Other income (deductions) - net	130		94	[1]	278	100
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	110		195	[1]	153	(75)
Income tax expense (benefit)	26		(36)	[1]	(19)	(52)
Income (loss) from continuing operations					172	(23)
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES					0	216
Net income (loss)	84		231	[1]	172	193
COMPREHENSIVE INCOME	122		265		170	339
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	30,299				30,299			29,511
Less accumulated depreciation and amortization	(6,164)				(6,164)			(5,774)
Total property, plant and equipment - net	24,135				24,135			23,737
CURRENT ASSETS
Cash and cash equivalents	545		381		545	381
Receivables	1,623				1,623			1,542
Other	1,854				1,854			1,814
Total current assets	4,022				4,022			3,774
OTHER ASSETS
Investment in subsidiaries	0				0			0
Other	5,509				5,509			5,129
Total other assets	5,509				5,509			5,129
TOTAL ASSETS	33,666				33,666			32,640
CAPITALIZATION
Common shareholders' equity	4,800				4,800			4,816
Long-term debt	16,107				16,107			15,496
Total capitalization	20,907				20,907			20,312
CURRENT LIABILITIES
Debt due within one year	4,392				4,392			3,896
Accounts payable	731				731			589
Other	1,937				1,937			2,203
Total current liabilities	7,060				7,060			6,688
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	586				586			565
Deferred income taxes	1,822				1,822			1,963
Other	3,291				3,291			3,112
Total other liabilities and deferred credits	5,699				5,699			5,640
TOTAL CAPITALIZATION AND LIABILITIES	33,666				33,666			32,640
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES					659	657
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases					(1,562)	(1,647)
Capital contribution to FPL					0	0
Cash grants under the Recovery Act					306	170
Sale of independent power investments					273	0
Change in loan proceeds restricted for construction					(366)	207
Other - net					(49)	26
Net cash used in investing activities					(1,398)	(1,244)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt					2,229	2,364
Retirements of long-term debt					(1,946)	(998)
Proceeds from sale of differential membership interests					39	201
Net change in short-term debt					678	(611)
Dividends on common stock					0	0
Proceeds from (Payments for) Other Financing Activities					(134)	(275)
Net cash provided by (used in) financing activities					866	681
Net increase (decrease) in cash and cash equivalents					127	94
Cash and cash equivalents at beginning of period					418	287
Cash and cash equivalents at end of period	545		381		545	381
Other Consolidated Entity And Consolidation Eliminations [Member]
Condensed Consolidating Statements of Income
Operating revenues	2,886	[4]	2,693	[4]	5,417	4,878
Operating expenses	(2,105)	[4]	(1,970)	[4]	(4,004)	(3,612)
Interest expense	(109)	[4]	(103)	[4]	(211)	(201)
Equity in earnings of subsidiaries	(507)	[4]	(623)	[4]	(942)	(872)
Other income (deductions) - net	7	[4]	13	[1],[4]	21	28
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	172	[4]	10	[1],[4]	281	221
Income tax expense (benefit)	256	[4]	241	[1],[4]	453	414
Income (loss) from continuing operations					(172)	(193)
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES					0	0
Net income (loss)	(84)	[4]	(231)	[1],[4]	(172)	(193)
COMPREHENSIVE INCOME	(122)		(265)		(170)	(339)
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	41,102				41,102			39,906
Less accumulated depreciation and amortization	(11,226)				(11,226)			(10,944)
Total property, plant and equipment - net	29,876				29,876			28,962
CURRENT ASSETS
Cash and cash equivalents	58		30		58	30
Receivables	436				436			669
Other	1,271				1,271			1,295
Total current assets	1,765				1,765			1,984
OTHER ASSETS
Investment in subsidiaries	(18,253)				(18,253)			(17,910)
Other	5,201				5,201			4,921
Total other assets	(13,052)				(13,052)			(12,989)
TOTAL ASSETS	18,589				18,589			17,957
CAPITALIZATION
Common shareholders' equity	(4,800)				(4,800)			(4,816)
Long-term debt	8,942				8,942			8,473
Total capitalization	4,142				4,142			3,657
CURRENT LIABILITIES
Debt due within one year	509				509			561
Accounts payable	743				743			611
Other	960				960			1,130
Total current liabilities	2,212				2,212			2,302
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	1,319				1,319			1,285
Deferred income taxes	6,171				6,171			6,015
Other	4,745				4,745			4,698
Total other liabilities and deferred credits	12,235				12,235			11,998
TOTAL CAPITALIZATION AND LIABILITIES	18,589				18,589			17,957
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES					1,035	995
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases					(1,677)	(1,507)
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
Other - net					(37)	(34)
Net cash used in investing activities					(1,614)	(1,541)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt					500	498
Retirements of long-term debt					(329)	(427)
Proceeds from sale of differential membership interests					0	0
Net change in short-term debt					247	241
Dividends on common stock					0	0
Proceeds from (Payments for) Other Financing Activities					199	224
Net cash provided by (used in) financing activities					617	536
Net increase (decrease) in cash and cash equivalents					38	(10)
Cash and cash equivalents at beginning of period					20	40
Cash and cash equivalents at end of period	$ 58		$ 30		$ 58	$ 30

[1] Represents FPL and consolidating adjustments.

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

[3] See Note 6.

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