Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012		Dec. 31, 2012
Segment Reporting Information [Line Items]
OPERATING REVENUE	$ 3,833		$ 3,667		$ 7,112		$ 7,038
Operating revenues	3,833		3,667		7,112		7,038
Operating expenses	2,852		2,667		5,697		5,235
Income from continuing operations	610		607		695		1,068
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	0		0		188		0
Net income (loss)	610		607		883		1,068
Total assets	65,217				65,217				64,439
Deemed capital structure of NextEra Energy Resources	70.00%				70.00%
Impairment charge	0		0		300		0
Impairment Of Long Lived Assets Held For Use After Tax					342
Assets held for sale	0				0				335
FPL [Member]
Segment Reporting Information [Line Items]
OPERATING REVENUE	2,696		2,580
Operating expenses	1,972		1,918		3,618		3,661
Income from continuing operations					679		592
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES					0		0
Net income (loss)	391		353
Total assets	35,990				35,990				34,853
NextEra Energy Resources [Member]
Segment Reporting Information [Line Items]
Operating revenues	1,046	[1]	1,030	[1]	2,062	[1]	2,120	[1]
Operating expenses	806	[1]	698	[1],[2]	1,955	[1],[3]	1,477	[1],[2]
Income from continuing operations					14	[1],[4]	472	[1],[4]
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES					175	[1],[5]	0	[1]
Net income (loss)	229	[1],[4]	251	[1],[4]	189	[1],[4]	472	[1],[4]
Total assets	27,091				27,091				27,139	[6]
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues	91		57		165		114
Operating expenses	74		51		124		97
Income from continuing operations					2		4
NET GAIN FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES					13	[5]	0
Net income (loss)	(10)		3		15		4
Total assets	2,136				2,136				2,447
FPL [Member]
Segment Reporting Information [Line Items]
OPERATING REVENUE	2,696		2,580		4,885		4,804
Operating expenses	1,972		1,918		3,618		3,661
Net income (loss)	391	[7]	353	[7]	679	[7]	592	[7]
Total assets	$ 35,990				$ 35,990				$ 34,853

[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] )Amount is restated to conform to current year's presentation.

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

[4] Includes NEER's tax benefits related to PTCs and for the six months ended June 30, 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.

[5] See Note 6.

[6] Includes assets held for sale of approximately $335 million.

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