Commitments and Contingencies, Planned Capital Expenditures (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012 MW
FPL [Member]
Planned Capital Expenditures [Line Items]
2012	$ 1,880
2013	2,465
2014	2,370
2015	1,850
2016	1,640
Total	10,205
FPL [Member] | New Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	970	[1],[2],[3]
2013	815	[1],[2],[3]
2014	695	[1],[2],[3]
2015	300	[1],[2],[3]
2016	160	[1],[2],[3]
Total	2,940	[1],[2],[3]
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2012	52
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2013	41
FPL [Member] | Existing Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	285	[1]
2013	645	[1]
2014	660	[1]
2015	560	[1]
2016	435	[1]
Total	2,585	[1]
FPL [Member] | Transmission And Distribution Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	420
2013	690
2014	690
2015	660
2016	705
Total	3,165
FPL [Member] | Nuclear Fuel Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	85
2013	125
2014	205
2015	250
2016	250
Total	915
FPL [Member] | General And Other Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	120
2013	190
2014	120
2015	80
2016	90
Total	600
FPL [Member] | Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
Allowance for funds used during construction (AFUDC) - 2012	42
Allowance for funds used during construction (AFUDC) - 2013	84
Allowance for funds used during construction (AFUDC) - 2014	59
Allowance for funds used during construction (AFUDC) - 2015	58
Allowance for funds used during construction (AFUDC) - 2016	28
NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
2012	2,370
2013	1,320
2014	555
2015	385
2016	385
Total	5,015
NextEra Energy Resources [Member] | Nuclear Fuel Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	185	[4]
2013	275	[4]
2014	260	[4]
2015	265	[4]
2016	285	[4]
Total	1,270	[4]
NextEra Energy Resources [Member] | Wind Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	1,350	[5]
2013	125	[5]
2014	20	[5]
2015	10	[5]
2016	5	[5]
Total	1,510	[5]
Planned New Wind Generation To Be Added over 5 Years	1,300
Planned New Canadian Wind With Internal Approvals	150
Planned New Canadian Wind Generation Requiring Internal Approvals MW	470
Expected Cost of New Wind Projects Requiring Internal Approvals - Low End of Range	1,300
Expected Costs of New Wind Projects Requiring Internal Approvals - High End of Range	1,500
NextEra Energy Resources [Member] | Solar Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	700	[6]
2013	760	[6]
2014	185	[6]
2015	10	[6]
2016	0	[6]
Total	1,655	[6]
Planned new solar generation over 5 year period (in megawatts)	625
Planned New Solar Capacity of Equity Method Investment	550
Planned new solar capacity of projects requiring internal approvals	270
Expected cost of new solar projects requiring internal approals - Low End of Range	600
Expected Costs of New Solar Projects Requiring Internal Approval - High End of Range	800
NextEra Energy Resources [Member] | Natural Gas Expenditures [Member]
Planned Capital Expenditures [Line Items]
Planned gas infrastructure costs over 4 year period	600
NextEra Energy Resources [Member] | Other Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	135	[7]
2013	160	[7]
2014	90	[7]
2015	100	[7]
2016	95	[7]
Total	580	[7]
Corporate and Other [Member]
Planned Capital Expenditures [Line Items]
2012	295	[8]
2013	85	[8]
2014	85	[8]
2015	75	[8]
2016	75	[8]
Total	615	[8]
Allowance for funds used during construction (AFUDC) - 2012	30
Allowance for funds used during construction (AFUDC) - 2013	$ 14

[1] Includes allowance for funds used during construction (AFUDC) of approximately $42 million, $84 million, $59 million, $58 million and $28 million in 2012 to 2016, respectively.

[2] Includes land, generating structures, transmission interconnection and integration and licensing.

[3] Consists of projects that have received FPSC approval. Includes pre-construction costs and carrying charges (equal to a pretax AFUDC rate) on construction costs recoverable through the capacity clause of approximately $52 million and $41 million in 2012 and 2013, respectively. Excludes capital expenditures for the construction costs for the two additional nuclear units at FPL's Turkey Point site beyond what is required to receive an NRC license for each unit.

[4] Includes nuclear fuel.

[5] Consists of capital expenditures for planned new wind projects and related transmission totaling approximately 1,300 mw, including approximately 150 mw in Canada, that have received applicable internal approvals. Excludes new Canadian wind projects requiring internal approvals with generation totaling approximately 470 mw in 2014 and 2015, with an estimated cost of approximately $1.3 billion

[6] Consists of capital expenditures for planned new solar projects and related transmission totaling 625 mw that have received applicable internal approvals, including equity contributions associated with a 50% equity method investment in a 550 mw solar project. Excludes solar projects requiring internal approvals with generation totaling 270 mw with an estimated cost of approximately $600 million

[7] Consists of capital expenditures that have received applicable internal approvals. In addition, NEER plans to add natural gas infrastructure projects at a total cost of approximately $600 million in 2013 through 2016.

[8] Consists of capital expenditures that have received applicable internal approvals and includes AFUDC of approximately $30 million and $14 million in 2012 and 2013, respectively.