Commitments and Contingencies (Estimated Planned Capital Expenditures) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011 MW
FPL [Member]
Planned Capital Expenditures [Line Items]
2012	$ 3,675,000,000
2013	2,305,000,000
2014	1,760,000,000
2015	1,515,000,000
2016	1,470,000,000
Total	10,725,000,000
FPL [Member] | New Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	1,780,000,000	[1],[2],[3]
2013	625,000,000	[1],[2],[3]
2014	85,000,000	[1],[2],[3]
2015	0	[1],[2],[3]
2016	0	[1],[2],[3]
Total	2,490,000,000	[1],[2],[3]
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2012	109,000,000
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2013	40,000,000
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2014	2,000,000
Expected cost of power plant modernization	1,200,000,000
FPL [Member] | Existing Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	730,000,000	[1]
2013	660,000,000	[1]
2014	660,000,000	[1]
2015	525,000,000	[1]
2016	430,000,000	[1]
Total	3,005,000,000	[1]
FPL [Member] | Transmission and Distribution Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	830,000,000
2013	705,000,000
2014	690,000,000
2015	660,000,000
2016	705,000,000
Total	3,590,000,000
FPL [Member] | Nuclear Fuel Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	205,000,000
2013	125,000,000
2014	205,000,000
2015	250,000,000
2016	250,000,000
Total	1,035,000,000
FPL [Member] | General and Other Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	130,000,000
2013	190,000,000
2014	120,000,000
2015	80,000,000
2016	85,000,000
Total	605,000,000
FPL [Member] | Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
Allowance for funds used during construction (AFUDC) - 2012	70,000,000
Allowance for funds used during construction (AFUDC) - 2013	87,000,000
Allowance for funds used during construction (AFUDC) - 2014	33,000,000
NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
2012	3,410,000,000
2013	1,080,000,000
2014	525,000,000
2015	430,000,000
2016	345,000,000
Total	5,790,000,000
NextEra Energy Resources [Member] | Wind Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	1,490,000,000	[4]
2013	30,000,000	[4]
2014	20,000,000	[4]
2015	5,000,000	[4]
2016	5,000,000	[4]
Total	1,550,000,000	[4]
Planned new wind generation over the next year, low range (in megawatts)	1,150
Planned new wind generation over the next year, high range (in megawatts)	1,500
Planned new wind generation costs over the next year, low range	2,000,000,000
Planned new wind generation costs over the next year, high range	3,000,000,000
NextEra Energy Resources [Member] | Solar Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	1,435,000,000	[5]
2013	715,000,000	[5]
2014	145,000,000	[5]
2015	45,000,000	[5]
2016	0	[5]
Total	2,340,000,000	[5]
Planned new solar generation over 5 year period (in megawatts)	665
Planned new solar capacity of equity method investment (in megawatts)	550
Planned new solar capacity of projects requiring internal approvals (in megawatts)	270
Expected costs of new solar projects requiring internal approvals	1,000,000,000
NextEra Energy Resources [Member] | Nuclear Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	310,000,000	[6]
2013	255,000,000	[6]
2014	265,000,000	[6]
2015	280,000,000	[6]
2016	275,000,000	[6]
Total	1,385,000,000	[6]
NextEra Energy Resources [Member] | Natural Gas Expenditures [Member]
Planned Capital Expenditures [Line Items]
Planned gas infrastructure costs, low range	400,000,000
Planned gas infrastructure costs, high range	600,000,000
NextEra Energy Resources [Member] | Other Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	175,000,000	[7]
2013	80,000,000	[7]
2014	95,000,000	[7]
2015	100,000,000	[7]
2016	65,000,000	[7]
Total	515,000,000	[7]
Corporate and Other [Member]
Planned Capital Expenditures [Line Items]
2012	530,000,000	[8]
2013	85,000,000	[8]
2014	85,000,000	[8]
2015	75,000,000	[8]
2016	75,000,000	[8]
Total	850,000,000	[8]
Allowance for funds used during construction (AFUDC) - 2012	41,000,000
Allowance for funds used during construction (AFUDC) - 2013	$ 14,000,000

[1] Includes AFUDC of approximately $70 million, $87 million and $33 million in 2012 to 2014, respectively.

[2] 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 $109 million, $40 million and $2 million in 2012 to 2014, 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. Excludes capital expenditures for the modernization of the Port Everglades facility, which if the project proceeds and the required regulatory approvals are obtained is expected to cost approximately $1.2 billion and be placed in-service in 2016.

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

[4] Consists of capital expenditures for planned new wind projects that have received applicable internal approvals and related transmission. NEER plans to add new wind generation of approximately 1,150 mw to 1,500 mw in 2012, at a total cost of approximately $2 billion to $3 billion.

[5] Consists of capital expenditures for planned new solar projects totaling 665 mw that have received applicable internal approvals and related transmission, including equity contributions associated with an 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 $1 billion.

[6] Includes nuclear fuel.

[7] Consists of capital expenditures that have received applicable internal approvals. NEER plans to add natural gas infrastructure projects at a total cost of approximately $400 million to $600 million in 2010 through 2014.

[8] Consists of capital expenditures that have received applicable internal approvals and includes AFUDC related to Lone Star of approximately $41 million and $14 million in 2012 and 2013, respectively.