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Variable Interest Entities (VIEs) (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2025 MW | Sep. 30, 2025 USD ($) variable_interest_entity basisPoint MW | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) variable_interest_entity
Variable Interest Entity [Line Items] |  |  |  |
Carrying amount of assets, consolidated variable interest entity |  | $ 204,354.0 |  | $ 190,144.0
TOTAL LIABILITIES |  | 139,758.0 |  | 129,283.0
Investment in equity method investees |  | 5,451.0 |  | 6,118.0
Other variable interest entities [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in special purpose entities |  | $ 6,533.0 |  | $ 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 |  | 5 |  | 8
Carrying amount of assets, consolidated variable interest entity |  | $ 517.0 |  | $ 1,708.0
TOTAL LIABILITIES |  | $ 150.0 |  | 520.0
Solar generating facility capability (in megawatts) | MW |  | 280 |  |
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 |  | $ 1,313.0 |  | 1,346.0
TOTAL LIABILITIES |  | $ 76.0 |  | $ 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 |  | 29 |  | 30
Carrying amount of assets, consolidated variable interest entity |  | $ 25,104.0 |  | $ 23,902.0
TOTAL LIABILITIES |  | $ 857.0 |  | 1,546.0
Wind electric generating facility capability (in megawatts) | MW |  | 10,934 |  |
Solar generating facility capability (in megawatts) | MW |  | 3,585 |  |
Solar Plus Storage Facility Capacity | MW |  | 2,624 |  |
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 |  |  |
Florida Power & Light Company |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Carrying amount of assets, consolidated variable interest entity |  | $ 103,614.0 |  | 98,141.0
TOTAL LIABILITIES |  | 56,586.0 |  | 55,065.0
Florida Power & Light Company | Other variable interest entities [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in special purpose entities |  | $ 5,023.0 |  | 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 |  | $ 2,491.0 |  | $ 3,315.0
Commitments To Increase (Decrease) In Equity Method Investments |  | $ 155.0 |  |

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