Summarized Financial Information of Capital Holdings (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
NEECH a 100% owned subsidiary of NEE	100.00%
Condensed Consolidating Statements of Income
Operating revenues	$ 3,674		$ 3,279
Operating expenses	(2,936)		(2,845)
Interest expense	(319)		(272)
Equity in earnings of subsidiaries	0		0
Other income (deductions) - net	164		23	[1]
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	583		185	[1]
Income tax expense (benefit)	153		144	[1]
Income (loss) from continuing operations	430		41	[1],[2]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		231	[1],[2],[3]
Net income (loss)	430		272
COMPREHENSIVE INCOME	395		391
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	70,367				69,448
Less accumulated depreciation and amortization	(17,061)				(16,728)
Total property, plant and equipment - net	53,306				52,720
CURRENT ASSETS
Cash and cash equivalents	488		215
Receivables	2,551				2,289
Other	3,102				3,115
Total current assets	6,141				5,842
OTHER ASSETS
Investment in subsidiaries	0				0
Other	10,884				10,744
Total other assets	10,884				10,744
TOTAL ASSETS	70,331				69,306
CAPITALIZATION
Common shareholders' equity	18,160				18,040
Long-term debt	23,824				23,969
Total capitalization	41,984				42,009
CURRENT LIABILITIES
Debt due within one year	5,691				4,457
Accounts payable	1,450				1,200
Other	3,151				3,532
Total current liabilities	10,292				9,189
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	1,877				1,850
Deferred income taxes	8,306				8,144
Other	7,872				8,114
Total other liabilities and deferred credits	18,055				18,108
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	70,331				69,306
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,017		1,082
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases	(1,866)		(1,867)
Capital contribution to FPL	0		0
Cash grants under the Recovery Act	0		170
Change in loan proceeds restricted for construction	(28)		112
Other - net	52		7
Net cash used in investing activities	(1,842)		(1,578)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt	655		623
Retirements of long-term debt	(717)		(923)
Net change in short-term debt	1,179		966
Issuances of common stock	25		8
Dividends on common stock	(315)		(279)
Other Financing Activities, Not Otherwise Separately Disclosed	73		(5)
Proceeds from (Payments for) Other Financing Activities	70		7
Net cash provided by (used in) financing activities	875		382
Net increase (decrease) in cash and cash equivalents	50		(114)
Cash and cash equivalents at beginning of period	438		329
Cash and cash equivalents at end of period	488		215
NextEra Energy (Guarantor) [Member]
Condensed Consolidating Statements of Income
Operating revenues	0		0
Operating expenses	(4)		(3)
Interest expense	(2)		(2)
Equity in earnings of subsidiaries	435		249
Other income (deductions) - net	1		(2)	[1]
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	430		242	[1]
Income tax expense (benefit)	0		(15)
Income (loss) from continuing operations	430		257	[1]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		15	[1]
Net income (loss)	430		272
COMPREHENSIVE INCOME	395		391
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	31				31
Less accumulated depreciation and amortization	(11)				(10)
Total property, plant and equipment - net	20				21
CURRENT ASSETS
Cash and cash equivalents	5		0
Receivables	121				78
Other	210				6
Total current assets	336				84
OTHER ASSETS
Investment in subsidiaries	17,962				17,910
Other	764				694
Total other assets	18,726				18,604
TOTAL ASSETS	19,082				18,709
CAPITALIZATION
Common shareholders' equity	18,160				18,040
Long-term debt	0				0
Total capitalization	18,160				18,040
CURRENT LIABILITIES
Debt due within one year	0				0
Accounts payable	0				0
Other	390				199
Total current liabilities	390				199
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	0				0
Deferred income taxes	251				166
Other	281				304
Total other liabilities and deferred credits	532				470
TOTAL CAPITALIZATION AND LIABILITIES	19,082				18,709
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	428		350
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
Change in loan proceeds restricted for construction	0		0
Other - net	0		(52)
Net cash used in investing activities	(100)		(52)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt	0		0
Retirements of long-term debt	0		0
Net change in short-term debt	0		0
Dividends on common stock	(315)		(279)
Proceeds from (Payments for) Other Financing Activities	(8)		(21)
Net cash provided by (used in) financing activities	(323)		(300)
Net increase (decrease) in cash and cash equivalents	5		(2)
Cash and cash equivalents at beginning of period	0		2
Cash and cash equivalents at end of period	5		0
Capital Holdings Consolidated [Member]
Condensed Consolidating Statements of Income
Operating revenues	1,142		1,094
Operating expenses	(1,032)		(1,200)
Interest expense	(216)		(170)
Equity in earnings of subsidiaries	0		0
Other income (deductions) - net	148		5	[1]
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	42		(271)	[1]
Income tax expense (benefit)	(46)		(16)	[1]
Income (loss) from continuing operations	88		(255)	[1]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		216	[1]
Net income (loss)	88		(39)
COMPREHENSIVE INCOME	48		73
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	29,634				29,511
Less accumulated depreciation and amortization	(5,965)				(5,774)
Total property, plant and equipment - net	23,669				23,737
CURRENT ASSETS
Cash and cash equivalents	445		179
Receivables	2,107				1,542
Other	1,623				1,814
Total current assets	4,175				3,774
OTHER ASSETS
Investment in subsidiaries	0				0
Other	5,129				5,129
Total other assets	5,129				5,129
TOTAL ASSETS	32,973				32,640
CAPITALIZATION
Common shareholders' equity	4,432				4,816
Long-term debt	15,381				15,496
Total capitalization	19,813				20,312
CURRENT LIABILITIES
Debt due within one year	5,009				3,896
Accounts payable	758				589
Other	1,864				2,203
Total current liabilities	7,631				6,688
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	575				565
Deferred income taxes	1,982				1,963
Other	2,972				3,112
Total other liabilities and deferred credits	5,529				5,640
TOTAL CAPITALIZATION AND LIABILITIES	32,973				32,640
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	147		295
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases	(798)		(1,046)
Capital contribution to FPL	0		0
Cash grants under the Recovery Act	0		170
Change in loan proceeds restricted for construction	(28)		112
Other - net	58		29
Net cash used in investing activities	(768)		(735)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt	655		623
Retirements of long-term debt	(688)		(496)
Net change in short-term debt	1,059		166
Dividends on common stock	0		0
Proceeds from (Payments for) Other Financing Activities	(378)		39
Net cash provided by (used in) financing activities	648		332
Net increase (decrease) in cash and cash equivalents	27		(108)
Cash and cash equivalents at beginning of period	418		287
Cash and cash equivalents at end of period	445		179
Other Consolidated Entity And Consolidation Eliminations [Member]
Condensed Consolidating Statements of Income
Operating revenues	2,532	[4]	2,185	[4]
Operating expenses	(1,900)	[4]	(1,642)	[4]
Interest expense	(101)	[4]	(100)	[4]
Equity in earnings of subsidiaries	(435)	[4]	(249)	[4]
Other income (deductions) - net	15	[4]	20	[1],[4]
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	111	[4]	214	[1],[4]
Income tax expense (benefit)	199	[4]	175	[1],[4]
Income (loss) from continuing operations	(88)	[4]	39	[4]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0	[4]	0	[4]
Net income (loss)	(88)	[4]	39	[4]
COMPREHENSIVE INCOME	(48)	[4]	(73)	[4]
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	40,702	[4]			39,906	[4]
Less accumulated depreciation and amortization	(11,085)	[4]			(10,944)	[4]
Total property, plant and equipment - net	29,617	[4]			28,962	[4]
CURRENT ASSETS
Cash and cash equivalents	38	[4]	36	[4]
Receivables	323	[4]			669	[4]
Other	1,269	[4]			1,295	[4]
Total current assets	1,630	[4]			1,984	[4]
OTHER ASSETS
Investment in subsidiaries	(17,962)	[4]			(17,910)	[4]
Other	4,991	[4]			4,921	[4]
Total other assets	(12,971)	[4]			(12,989)	[4]
TOTAL ASSETS	18,276	[4]			17,957	[4]
CAPITALIZATION
Common shareholders' equity	(4,432)	[4]			(4,816)	[4]
Long-term debt	8,443	[4]			8,473	[4]
Total capitalization	4,011	[4]			3,657	[4]
CURRENT LIABILITIES
Debt due within one year	682	[4]			561	[4]
Accounts payable	692	[4]			611	[4]
Other	897	[4]			1,130	[4]
Total current liabilities	2,271	[4]			2,302	[4]
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	1,302	[4]			1,285	[4]
Deferred income taxes	6,073	[4]			6,015	[4]
Other	4,619	[4]			4,698	[4]
Total other liabilities and deferred credits	11,994	[4]			11,998	[4]
TOTAL CAPITALIZATION AND LIABILITIES	18,276	[4]			17,957	[4]
Condensed Consolidating Statements of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	442	[4]	437	[4]
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, independent power and other investments and nuclear fuel purchases	(1,068)	[4]	(821)	[4]
Capital contribution to FPL	100	[4]	0	[4]
Cash grants under the Recovery Act	0	[4]	0	[4]
Change in loan proceeds restricted for construction	0	[4]	0	[4]
Other - net	(6)	[4]	30	[4]
Net cash used in investing activities	(974)	[4]	(791)	[4]
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt	0	[4]	0	[4]
Retirements of long-term debt	(29)	[4]	(427)	[4]
Net change in short-term debt	120	[4]	800	[4]
Dividends on common stock	0	[4]	0	[4]
Proceeds from (Payments for) Other Financing Activities	459	[4]	(23)	[4]
Net cash provided by (used in) financing activities	550	[4]	350	[4]
Net increase (decrease) in cash and cash equivalents	18	[4]	(4)	[4]
Cash and cash equivalents at beginning of period	20	[4]	40	[4]
Cash and cash equivalents at end of period	$ 38	[4]	$ 36	[4]

[1] Certain amounts were restated to conform to current year's presentation. See Note 3 - Nonrecurring Fair Value Measurements

[2] (c)Prior year amounts were restated to conform to current year's presentation. See Note 3 - Nonrecurring Fair Value Measurements.

[3] See Note 5.

[4] Represents FPL and consolidating adjustments.