Commitments and Contingencies, Planned Capital Expenditures (Details) (USD $)	3 Months Ended
	Mar. 31, 2012 MW
FPL [Member]
Planned Capital Expenditures [Line Items]
2012	$ 2,920,000,000
2013	2,510,000,000
2014	2,355,000,000
2015	1,815,000,000
2016	1,630,000,000
Total	11,230,000,000
FPL [Member] | New Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	1,580,000,000	[1],[2],[3]
2013	840,000,000	[1],[2],[3]
2014	680,000,000	[1],[2],[3]
2015	300,000,000	[1],[2],[3]
2016	160,000,000	[1],[2],[3]
Total	3,560,000,000	[1],[2],[3]
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2012	89,000,000
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2013	44,000,000
Pre-construction costs and carrying charges (equal to a pretax AFUDC rate) - 2014	2,000,000
FPL [Member] | Existing Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	450,000,000	[1]
2013	650,000,000	[1]
2014	660,000,000	[1]
2015	525,000,000	[1]
2016	430,000,000	[1]
Total	2,715,000,000	[1]
FPL [Member] | Transmission And Distribution Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	620,000,000
2013	705,000,000
2014	690,000,000
2015	660,000,000
2016	705,000,000
Total	3,380,000,000
FPL [Member] | Nuclear Fuel Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	125,000,000
2013	125,000,000
2014	205,000,000
2015	250,000,000
2016	250,000,000
Total	955,000,000
FPL [Member] | General And Other Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	145,000,000
2013	190,000,000
2014	120,000,000
2015	80,000,000
2016	85,000,000
Total	620,000,000
FPL [Member] | Generation Expenditures [Member]
Planned Capital Expenditures [Line Items]
Allowance for funds used during construction (AFUDC) - 2012	56,000,000
Allowance for funds used during construction (AFUDC) - 2013	87,000,000
Allowance for funds used during construction (AFUDC) - 2014	53,000,000
Allowance for funds used during construction (AFUDC) - 2015	56,000,000
Allowance for funds used during construction (AFUDC) - 2016	28,000,000
NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
2012	3,305,000,000
2013	1,195,000,000
2014	550,000,000
2015	450,000,000
2016	380,000,000
Total	5,880,000,000
NextEra Energy Resources [Member] | Nuclear Fuel Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	270,000,000	[4]
2013	260,000,000	[4]
2014	270,000,000	[4]
2015	280,000,000	[4]
2016	295,000,000	[4]
Total	1,375,000,000	[4]
NextEra Energy Resources [Member] | Wind Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	1,740,000,000	[5]
2013	85,000,000	[5]
2014	15,000,000	[5]
2015	5,000,000	[5]
2016	5,000,000	[5]
Total	1,850,000,000	[5]
Planned New U.S. Wind Generation In Current Year Mw	1300
Planned new wind generation added to date in curret year (in megawatts)	177
Planned New Canadian Wind Generation Over 2012 - 2015 MW	600
Planned New Wind Generation Costs	3,000,000,000
NextEra Energy Resources [Member] | Solar Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	1,040,000,000	[6]
2013	725,000,000	[6]
2014	165,000,000	[6]
2015	55,000,000	[6]
2016	0	[6]
Total	1,985,000,000	[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	1,000,000,000
NextEra Energy Resources [Member] | Natural Gas Expenditures [Member]
Planned Capital Expenditures [Line Items]
Planned gas infrastructure costs over 4 year period	600,000,000
NextEra Energy Resources [Member] | Other Expenditures [Member]
Planned Capital Expenditures [Line Items]
2012	255,000,000	[7]
2013	125,000,000	[7]
2014	100,000,000	[7]
2015	110,000,000	[7]
2016	80,000,000	[7]
Total	670,000,000	[7]
Corporate And Other [Member]
Planned Capital Expenditures [Line Items]
2012	410,000,000	[8]
2013	85,000,000	[8]
2014	85,000,000	[8]
2015	75,000,000	[8]
2016	75,000,000	[8]
Total	730,000,000	[8]
Allowance for funds used during construction (AFUDC) - 2012	38,000,000
Allowance for funds used during construction (AFUDC) - 2013	$ 14,000,000

[1] Includes allowance for funds used during construction (AFUDC) of approximately $56 million, $87 million, $53 million , $56 million and $28 million in 2012 to 2016, 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 $89 million, $44 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.

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

[4] Includes nuclear fuel.

[5] Consists of capital expenditures for planned new wind projects that have received applicable internal approvals and related transmission. NEER plans to add new U.S. wind generation of approximately 1,300 mw in 2012, including 177 mw added in the first quarter of 2012, and new Canadian wind generation of approximately 600 mw in 2012 through 2015, at a total cost of approximately $3 billion

[6] Consists of capital expenditures for planned new solar projects totaling 625 mw that have received applicable internal approvals and related transmission, 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 total cost of approximately $1 billion.

[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 $38 million and $14 million in 2012 and 2013, respectively.