Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011		Dec. 31, 2011
Segment Reporting Information [Line Items]
OPERATING REVENUE	$ 3,667		$ 3,961		$ 7,038		$ 7,094
Operating revenues	3,667		3,961		7,038		7,094
Operating expenses	2,645		3,054		5,172		5,759
Net income (loss)	607		580		1,068		848
Total assets	60,390				60,390				57,188
Deemed capital structure of NextEra Energy Resources	70.00%				70.00%
Impairment charges	0		51		0		51
Impairment Of Long Lived Assets Held For Use After Tax			31				31
Deferred state tax benefit related to recent state tax law changes			64
FPL [Member]
Segment Reporting Information [Line Items]
OPERATING REVENUE	2,580		2,801
Operating revenues					4,804		5,047
Operating expenses	1,918		2,230		3,661		4,069
Net income (loss)	353		301		592		506
Total assets	33,655				33,655				31,816
NextEra Energy Resources [Member]
Segment Reporting Information [Line Items]
Operating revenues	1,030	[1]	1,105	[1]	2,120	[1]	1,938	[1]
Operating expenses	676	[1]	776	[1],[2]	1,415	[1]	1,600	[1],[2]
Net income (loss)	251	[1],[3]	239	[1],[3]	472	[1],[3]	304	[1],[3]
Total assets	24,754				24,754				23,459
Impairment Of Long Lived Assets Held For Use After Tax			31
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues	57		55		114		109
Operating expenses	51		48		96		90
Net income (loss)	3		40	[4]	4		38	[4]
Total assets	1,981				1,981				1,913
FPL [Member]
Segment Reporting Information [Line Items]
OPERATING REVENUE	2,580		2,801		4,804		5,047
Operating expenses	1,918		2,230		3,661		4,069
Net income (loss)	353		301		592		506
Total assets	$ 33,655				$ 33,655				$ 31,816

[1] 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.

[2] Includes impairment charges of approximately $51 million. See Note 3

[3] 2011 includes after-tax impairment charges of approximately $31 million. See Note 3 - Nonrecurring Fair Value Measurements. Also, see Note 5 for a discussion of NEER's tax benefits related to PTCs for both 2012 and 2011.

[4] Includes state deferred income tax benefits, net of federal income taxes, of approximately $64 million, primarily related to state tax law changes. See Note 5.