Debt (Details) (USD $)
|
12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 0 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2012
FPL [Member]
|
Dec. 31, 2011
FPL [Member]
|
Dec. 31, 2012
FPL [Member]
First mortgage bonds [Member]
|
Dec. 31, 2011
FPL [Member]
First mortgage bonds [Member]
|
Dec. 31, 2012
FPL [Member]
Storm-recovery bonds [Member]
|
Dec. 31, 2011
FPL [Member]
Storm-recovery bonds [Member]
|
Dec. 31, 2012
FPL [Member]
Pollution control, solid waste disposal and industrial development revenue bonds [Member]
|
Dec. 31, 2011
FPL [Member]
Pollution control, solid waste disposal and industrial development revenue bonds [Member]
|
Dec. 31, 2012
FPL [Member]
Other long-term debt [Member]
|
Dec. 31, 2011
FPL [Member]
Other long-term debt [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Debentures 1 [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Debentures 1 [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Debentures 2 [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Debentures 2 [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Debentures, related to NextEra Energy's equity units [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Debentures, related to NextEra Energy's equity units [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Junior Subordinated Debentures [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Junior Subordinated Debentures [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Senior secured bonds [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Senior secured bonds [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Japanese yen denominated senior notes [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Japanese yen denominated senior notes [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Japanese yen denominated term loans [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Japanese yen denominated term loans [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Term loans [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Term loans [Member]
|
Dec. 31, 2012
Capital Holdings [Member]
Fair value swap [Member]
|
Dec. 31, 2011
Capital Holdings [Member]
Fair value swap [Member]
|
Dec. 31, 2012
NextEra Energy Resources [Member]
|
Dec. 31, 2011
NextEra Energy Resources [Member]
|
Dec. 31, 2012
NextEra Energy Resources [Member]
Senior secured limited recourse bonds and notes [Member]
|
Dec. 31, 2011
NextEra Energy Resources [Member]
Senior secured limited recourse bonds and notes [Member]
|
Dec. 31, 2012
NextEra Energy Resources [Member]
Senior secured limited-recourse loan [Member]
|
Dec. 31, 2011
NextEra Energy Resources [Member]
Senior secured limited-recourse loan [Member]
|
Dec. 31, 2012
NextEra Energy Resources [Member]
Other long-term debt [Member]
|
Dec. 31, 2011
NextEra Energy Resources [Member]
Other long-term debt [Member]
|
Dec. 31, 2012
NextEra Energy Resources [Member]
Canadian revolving credit facility [Member]
|
Dec. 31, 2011
NextEra Energy Resources [Member]
Canadian revolving credit facility [Member]
|
Jun. 01, 2012
NEE Equity Units 2009 [Member]
|
May 31, 2012
NEE Equity Units 2009 [Member]
|
Dec. 31, 2010
NEE Equity Units 2010 [Member]
|
Sep. 30, 2012
NEE Equity Units 2012 [Member]
|
May 31, 2012
NEE Equity Units 2012 [Member]
|
Dec. 31, 2012
Letter of Credit [Member]
|
Dec. 31, 2012
Letter of Credit [Member]
FPL [Member]
|
Dec. 31, 2012
Letter of Credit [Member]
Capital Holdings [Member]
|
|||||||||||||||||||||||||||||||||||||
Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Previous rate of total annual distriubtions on debentures before remarketing | 1.90% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Interest rate terms | fixed | fixed | fixed | fixed | variable | variable | variable | fixed | fixed | variable | variable | fixed | fixed | fixed | fixed | fixed | fixed | fixed | fixed | variable | variable | variable | variable | fixed | fixed | variable | variable | variable | variable | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Interest rate, low range (in hundredths) | 3.80% | 3.80% | 5.044% | 5.044% | 0.66% | 1.20% | 1.20% | 1.60% | 1.90% | 5.125% | 5.125% | 4.125% | 4.125% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Interest rate, high range (in hundredths) | 6.20% | 6.20% | 5.2555% | 5.2555% | 0.66% | 7.88% | 7.88% | 8.75% | 8.75% | 7.59% | 7.59% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Interest rate (in hundredths) | 7.50% | 7.50% | 5.1325% | 5.1325% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Weighted-average interest rate (in hundredths) | 0.16% | 0.10% | 0.77% | 0.77% | 1.56% | 1.92% | 1.30% | 1.39% | 2.77% | 2.88% | 2.83% | 3.94% | 2.33% | 1.29% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt, gross | $ 7,390,000,000 | $ 6,390,000,000 | $ 439,000,000 | [1] | $ 487,000,000 | [1] | $ 633,000,000 | [2],[3] | $ 633,000,000 | [2],[3] | $ 355,000,000 | [2] | $ 57,000,000 | $ 2,800,000,000 | [4] | $ 2,300,000,000 | [4] | $ 0 | $ 200,000,000 | [2] | $ 2,003,000,000 | [5] | $ 753,000,000 | [5] | $ 3,253,000,000 | $ 2,353,000,000 | $ 500,000,000 | [6] | $ 500,000,000 | [6] | $ 115,000,000 | [4] | $ 130,000,000 | [4] | $ 508,000,000 | [2],[4] | $ 442,000,000 | [2],[4] | $ 1,563,000,000 | [2] | $ 1,533,000,000 | [2] | $ 75,000,000 | $ 32,000,000 | $ 2,483,000,000 | $ 3,147,000,000 | $ 2,617,000,000 | [2],[4] | $ 2,184,000,000 | [2],[4] | $ 836,000,000 | [2] | $ 345,000,000 | [2] | $ 413,000,000 | [2] | $ 172,000,000 | [2] | ||||||||||||||||||||||||||||
Unamortized discount | (35,000,000) | (34,000,000) | 0 | (6,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total long-term debt | 8,782,000,000 | 7,533,000,000 | 10,817,000,000 | 8,237,000,000 | 6,349,000,000 | 5,848,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Less current maturities of long-term debt | 2,771,000,000 | 808,000,000 | 453,000,000 | 50,000,000 | 1,575,000,000 | 350,000,000 | 743,000,000 | 408,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt, excluding current maturities | 23,177,000,000 | 20,810,000,000 | 8,329,000,000 | 7,483,000,000 | 9,242,000,000 | 7,887,000,000 | 5,606,000,000 | 5,440,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Minimum annual maturities of long-term debt [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2012 | 2,771,000,000 | 453,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2013 | 2,804,000,000 | 356,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2014 | 2,321,000,000 | 60,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2015 | 975,000,000 | 64,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2016 | 2,066,000,000 | 367,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Weighted-average interest rate of commercial paper and short-tem borrowings (in hundredths) | 0.49% | 0.48% | 0.27% | 0.26% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Lines of credit [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Available lines of credit | 7,600,000,000 | 3,000,000,000 | 4,600,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sale of equity units [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Amount of equity units sold | 402,500,000 | 650,000,000 | 600,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stated amount of each equity unit (in dollars per share) | $ 50 | $ 50 | $ 50 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Undivided beneficial ownership interest per debenture (in hundredths) | 5.00% | 5.00% | 5.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Principal amount of each debenture | 1,000 | 1,000 | 1,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Price per share of stock purchase contract - low range (in dollars per share) | $ 55.02 | $ 67.15 | $ 64.35 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Price per share of stock purchase contract - high range (in dollars per share) | $ 68.78 | $ 80.58 | $ 77.22 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Number Of Shares Subject To Antidilution Adjustments If Purchased On Final Settlement Date At Less Than Or Equal To Low Range Threshold | 0.9177 | 0.7446 | 0.7770 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Number of shares (subject to antidilution adjustments) if purchased on the final settlement date at equal to or greater than high range threshold (in shares) | 0.7342 | 0.6205 | 0.6475 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Trading period (in days) over which the market value is determined by reference to the average closing prices of the common stock | 20 days | 20 days | 20 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Rate of total annual distributions on equity units (in hundredths) | 7.00% | 5.889% | 5.599% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Rate of total annual distributions on debentures (in hundredths) | 1.611% | 1.90% | 1.60% | 1.70% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Rate of payments on stock purchase contracts (in hundredths) | 5.10% | 4.289% | 3.899% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debentures remarketed | 350,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of Credit Facility, Maximum Borrowing Capacity | 4,100,000,000 | 1,600,000,000 | 2,500,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Letters of Credit Outstanding, Amount | 3,000,000 | 1,138,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stock Issued During Period, Shares, New Issues | 5,400,500 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stock Issued During Period, Value, New Issues | $ 350,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|