v3.26.1
Debt - Long-term Debt Issuances and Borrowings (Details)
Jun. 30, 2026
USD ($)
NextEra Energy Capital Holdings, Inc. | Debentures – fixed  
Debt Instrument [Line Items]  
Principal amount $ 1,300,000,000
NextEra Energy Capital Holdings, Inc. | Debentures – fixed | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 4.40%
NextEra Energy Capital Holdings, Inc. | Debentures – fixed | Maximum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 5.85%
NextEra Energy Capital Holdings, Inc. | Euro Denominated Debentures  
Debt Instrument [Line Items]  
Principal amount $ 1,549,000,000
NextEra Energy Capital Holdings, Inc. | Euro Denominated Debentures | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 2.989%
NextEra Energy Capital Holdings, Inc. | Euro Denominated Debentures | Maximum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 3.624%
NextEra Energy Capital Holdings, Inc. | Debentures Related To Nextera Energys Equity Units [Member]  
Debt Instrument [Line Items]  
Principal amount $ 2,300,000,000
Interest rate (as a percent) 4.00%
NextEra Energy Capital Holdings, Inc. | Euro Denominated Junior Subordinated Debentures  
Debt Instrument [Line Items]  
Principal amount $ 2,067,000,000
NextEra Energy Capital Holdings, Inc. | Euro Denominated Junior Subordinated Debentures | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 4.20%
NextEra Energy Capital Holdings, Inc. | Euro Denominated Junior Subordinated Debentures | Maximum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 4.75%
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt  
Debt Instrument [Line Items]  
Principal amount $ 600,000,000
Interest rate (as a percent) 6.50%
NextEra Energy Capital Holdings, Inc. | Euro Denominated Junior Subordinated Debentures Series 1 | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 4.20%
NextEra Energy Capital Holdings, Inc. | Euro Denominated Junior Subordinated Debentures Series 2 | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 4.75%
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt Member Fixed Three Series  
Debt Instrument [Line Items]  
Principal amount $ 3,750,000,000
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt Member Fixed Three Series | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 6.00%
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt Member Fixed Three Series | Maximum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 6.625%
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt Member Fixed Series 1 | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 6.00%
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt Member Fixed Series 2 | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 6.20%
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt Member Fixed Series 3 | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 6.625%
Florida Power & Light Company | First mortgage bonds  
Debt Instrument [Line Items]  
Principal amount $ 2,250,000,000
Florida Power & Light Company | First mortgage bonds | Minimum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 5.125%
Florida Power & Light Company | First mortgage bonds | Maximum  
Debt Instrument [Line Items]  
Interest rate (as a percent) 5.90%
NEER Segment | Senior secured limited-recourse long term debt- fixed  
Debt Instrument [Line Items]  
Principal amount $ 372,000,000
Interest rate (as a percent) 6.59%