Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013
Segment Reporting Information [Line Items]
OPERATING REVENUES	$ 3,674		$ 3,279
Operating expenses	2,936		2,845
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
Total assets	70,331				69,306
Deemed capital structure of NextEra Energy Resources	70.00%
Impairment charge	0		300
Impairment Of Long Lived Assets Held For Use After Tax			342
NextEra Energy Resources [Member]
Segment Reporting Information [Line Items]
Operating revenues	1,034	[4]	1,016	[4]
Operating expenses	952	[4]	1,149	[4],[5]
Income (loss) from continuing operations	86	[4],[6]	(256)	[1],[4],[6]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0	[4]	216	[1],[3],[4]
Net income (loss)	86	[4],[6]	(40)	[4],[6]
Total assets	30,335				30,154
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues	105		75
Operating expenses	81		51
Income (loss) from continuing operations	(3)		9	[1]
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		15	[1],[3]
Net income (loss)	(3)		24
Total assets	2,807				2,664
NextEra Energy Resources [Member]
Segment Reporting Information [Line Items]
Impairment charge			300
Impairment Of Long Lived Assets Held For Use After Tax			342
FPL [Member]
Segment Reporting Information [Line Items]
OPERATING REVENUES	2,535		2,188
Operating expenses	1,903		1,645
GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		0
Net income (loss)	347	[7]	288	[7]
Total assets	$ 37,189				$ 36,488

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

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

[3] See Note 5.

[4] Interest expense allocated from NEECH is based on a deemed capital structure of 70% debt. For this purpose, the deferred credit associated with differential membership interests sold by NEER subsidiaries is included with debt. Residual non-utility interest expense is included in Corporate and Other.

[5] (b)Includes an impairment charge on NEER's Spain solar projects of $300 million. See Note 3 - Nonrecurring Fair Value Measurements.

[6] (d)Includes NEER's tax benefits related to PTCs and in 2013 also includes after-tax charges of $342 million associated with the impairment of the Spain solar projects. See Note 3 - Nonrecurring Fair Value Measurements and Note 4.

[7] (a)FPL's comprehensive income is the same as reported net income.