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Variable Interest Entities (VIEs) (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 USD ($) variable_interest_entity basisPoint MW | Dec. 31, 2025 MW | Dec. 31, 2024 USD ($) variable_interest_entity | Mar. 31, 2024 USD ($)
Variable Interest Entity [Line Items] |  |  |  |
Carrying amount of assets, consolidated variable interest entity | $ 194,264.0 |  | $ 190,144.0 |
TOTAL LIABILITIES | 133,898.0 |  | 129,283.0 |
Investment in equity method investees | 5,270.0 |  | 6,118.0 |
Other variable interest entities [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in special purpose entities | $ 5,748.0 |  | 5,848.0 |
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 |  |  |
Carrying amount of assets, consolidated variable interest entity | $ 1,667.0 |  | 1,708.0 |
TOTAL LIABILITIES | $ 514.0 |  | 520.0 |
Solar generating facility capability (in megawatts) | MW | 765 |  |  |
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Minimum |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Ownership percentage | 50.00% |  |  |
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Maximum |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Ownership percentage | 67.00% |  |  |
NextEra Energy Resources |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investment in equity method investees |  |  |  | $ 1,700.0
NextEra Energy Resources | Variable Interest Entities Wind and Solar PV Facilities [Member[ |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Carrying amount of assets, consolidated variable interest entity | $ 1,338.0 |  | 1,346.0 |
TOTAL LIABILITIES | $ 75.0 |  | $ 76.0 |
Ownership percentage | 10.00% |  |  |
Wind electric generating facility capability (in megawatts) | MW | 400 |  |  |
Solar generating facility capability (in megawatts) | MW | 599 |  |  |
NextEra Energy Resources | 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 | 31 |  | 30 |
Carrying amount of assets, consolidated variable interest entity | $ 25,008.0 |  | $ 23,902.0 |
TOTAL LIABILITIES | $ 949.0 |  | 1,546.0 |
Wind electric generating facility capability (in megawatts) | MW | 10,835 |  |  |
Solar generating facility capability (in megawatts) | MW | 3,485 |  |  |
Solar Plus Storage Facility Capacity | MW | 1,719 |  |  |
NextEra Energy Resources | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member] | Forecast |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Wind electric generating facility capability (in megawatts) | MW |  | 24 |  |
Solar Plus Storage Facility Capacity | MW |  | 905 |  |
Florida Power & Light Company |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Carrying amount of assets, consolidated variable interest entity | $ 100,064.0 |  | 98,141.0 |
TOTAL LIABILITIES | 55,772.0 |  | 55,065.0 |
Florida Power & Light Company | Other variable interest entities [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in special purpose entities | $ 4,365.0 |  | 4,506.0 |
Subsidiaries of NEE [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Number of variable interest entities with guarantees to obligations | basisPoint | 1 |  |  |
Investment in equity method investees | $ 2,482.0 |  | $ 3,315.0 |
Commitments To Increase (Decrease) In Equity Method Investments | $ 170.0 |  |  |

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