Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012		Dec. 31, 2012
Segment Reporting Information [Line Items]
OPERATING REVENUE	$ 3,279		$ 3,371
Operating revenues	3,279		3,371
Operating expenses	2,845		2,568	[1]
Income from continuing operations	84		461
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	188		0
Net income (loss)	272		461
Total assets	63,843				64,439
Deemed capital structure of NextEra Energy Resources	70.00%
Impairment charges	300		0
Impairment Of Long Lived Assets Held For Use After Tax	342
Assets held for sale	0				335
FPL [Member]
Segment Reporting Information [Line Items]
OPERATING REVENUE	2,188		2,224
Operating expenses	1,645		1,743
Income from continuing operations	288		239
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		0
Net income (loss)	288		239
Total assets	35,454				34,853
NextEra Energy Resources [Member]
Segment Reporting Information [Line Items]
Operating revenues	1,016	[2]	1,090	[2]
Operating expenses	1,149	[2],[3]	779	[2],[4]
Income from continuing operations	(215)	[2],[5]	221	[2],[5]
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	175	[2],[6]	0	[2]
Net income (loss)	(40)	[2],[5]	221	[2],[5]
Total assets	26,394				27,139	[7]
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues	75		57
Operating expenses	51		46
Income from continuing operations	11		1
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	13	[6]	0
Net income (loss)	24		1
Total assets	1,995				2,447
FPL [Member]
Segment Reporting Information [Line Items]
OPERATING REVENUE	2,188		2,224
Operating expenses	1,645		1,743
Net income (loss)	288	[8]	239	[8]
Total assets	$ 35,454				$ 34,853

[1] Prior year amounts are restated to conform to the current year's presentation.

[2] 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.

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

[4] mount is restated to conform to current year's presentation.

[5] 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 5.

[6] See Note 6.

[7] udes assets held for sale of approximately $335 million.

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