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Variable Interest Entities (VIEs) (Details) $ in Millions | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2024 MW | Dec. 31, 2023 USD ($) variable_interest_entity mi MW | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) variable_interest_entity | Dec. 31, 2021 USD ($)
Variable Interest Entity [Line Items] |  |  |  |  |
TOTAL ASSETS |  | $ 177,489.0 |  | $ 158,935.0 | $ 140,912.0
Carrying amount of liabilities, consolidated variable interest entity |  | 118,465.0 |  | 109,499.0 |
Investment in equity method investees |  | 6,156.0 |  | 6,582.0 | $ 6,159.0
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
TOTAL ASSETS |  | 741.0 |  | 744.0 |
Carrying amount of liabilities, consolidated variable interest entity |  | $ 347.0 |  | 18.0 |
Electricity Transmission Line | mi |  | 280 |  |  |
Variable Interest Entity, Consolidated, Income Allocation, Percentage |  | 48.00% |  |  |
Variable Interest Entity Other [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Investments in special purpose entities |  | $ 4,962.0 |  | $ 4,016.0 |
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Total Number Of Consolidated Variable Interest Entities | variable_interest_entity |  | 8 |  | 9 |
TOTAL ASSETS |  | $ 1,796.0 |  | $ 2,084.0 |
Carrying amount of liabilities, consolidated variable interest entity |  | $ 1,085.0 |  | 1,174.0 |
Solar generating facility capability | MW |  | 765 |  |  |
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Minimum [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Ownership percentage (in hundredths) |  | 50.00% |  |  |
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Maximum [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Ownership percentage (in hundredths) |  | 67.00% |  |  |
NextEra Energy Resources Consolidated VIE [Member] | 10% direct ownership in wind and solar facilities |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
TOTAL ASSETS |  | $ 1,434.0 |  | 1,488.0 |
Carrying amount of liabilities, consolidated variable interest entity |  | $ 79.0 |  | 86.0 |
Ownership percentage (in hundredths) |  | 10.00% |  |  |
Wind electric generating facility capability (in megawatts) | MW |  | 400 |  |  |
Solar generating facility capability | MW |  | 599 |  |  |
NEER [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Investment in equity method investees |  | $ 3,963.0 | $ 4,200.0 | $ 4,968.0 |
NEER [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Wind electric generating facility capability (in megawatts) | MW |  | 13,527 |  |  |
Solar generating facility capability | MW |  | 4,049 |  |  |
NEER [Member] | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Total Number Of Consolidated Variable Interest Entities | variable_interest_entity |  | 33 |  | 31 |
TOTAL ASSETS |  | $ 24,250.0 |  | $ 19,690.0 |
Carrying amount of liabilities, consolidated variable interest entity |  | $ 3,148.0 |  | 2,318.0 |
Wind electric generating facility capability (in megawatts) | MW |  | 12,824 |  |  |
Solar generating facility capability | MW |  | 2,438 |  |  |
Battery storage facility capacity | MW |  | 1,062 |  |  |
NEER [Member] | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member] | Forecast [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Wind electric generating facility capability (in megawatts) | MW | 303 |  |  |  |
Solar generating facility capability | MW | 1,012 |  |  |  |
Battery storage facility capacity | MW | 15 |  |  |  |
FPL [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
TOTAL ASSETS |  | $ 91,469.0 |  | 86,559.0 |
Carrying amount of liabilities, consolidated variable interest entity |  | 52,634.0 |  | 47,639.0 |
FPL [Member] | Variable Interest Entity Other [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Investments in special purpose entities |  | 3,899.0 |  | 3,331.0 |
Other Investments [Member] | Subsidiaries of NEE [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Investment in equity method investees |  | 3,913.0 |  | $ 5,214.0 |
Commitments To Increase (Decrease) In Equity Method Investments |  | $ 180.0 |  |  |

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