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Debt - Long-term Debt Issuances and Borrowings (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Mar. 31, 2024
NextEra Energy Capital Holdings, Inc. | Debentures – fixed |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 3,800,000,000 |
NextEra Energy Capital Holdings, Inc. | Debentures – fixed | Minimum |  |
Debt Instrument [Line Items] |  |
Interest Rate (as a percent) | 4.90% |
NextEra Energy Capital Holdings, Inc. | Debentures – fixed | Maximum |  |
Debt Instrument [Line Items] |  |
Interest Rate (as a percent) | 5.55% |
NextEra Energy Capital Holdings, Inc. | Debentures variable |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 600,000,000 |
Interest Rate Terms | Variable |
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 2,200,000,000 |
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt | Minimum |  |
Debt Instrument [Line Items] |  |
Interest Rate (as a percent) | 6.70% |
NextEra Energy Capital Holdings, Inc. | Junior Subordinated Debt | Maximum |  |
Debt Instrument [Line Items] |  |
Interest Rate (as a percent) | 6.75% |
NextEra Energy Capital Holdings, Inc. | Exchangeable Senior Notes |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 1,000,000,000 | $ 1,000,000,000
Interest Rate (as a percent) | 3.00% |
NextEra Energy Capital Holdings, Inc. | Canadian Dollar Denominated Debentures |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 744,000,000 |
Interest Rate (as a percent) | 4.85% |
NextEra Energy Capital Holdings, Inc. | Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 1,750,000,000 |
Interest Rate Terms | Variable |
Repayments of Debt | $ 450,000,000 |
NextEra Energy Capital Holdings, Inc. | Debentures Related To Nextera Energys Equity Units [Member] |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 2,000,000,000 |
Interest Rate (as a percent) | 5.15% |
Florida Power & Light Company | First mortgage bonds |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 2,700,000,000 |
Florida Power & Light Company | First mortgage bonds | Minimum |  |
Debt Instrument [Line Items] |  |
Interest Rate (as a percent) | 5.00% |
Florida Power & Light Company | First mortgage bonds | Maximum |  |
Debt Instrument [Line Items] |  |
Interest Rate (as a percent) | 5.60% |
Florida Power & Light Company | Pollution Control Solid Waste Disposal and Industrial Development Revenue Bonds |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 344,000,000 |
Interest Rate Terms | Variable |
NextEra Energy Resources | Senior Secured Limited Recourse Notes |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 363,000,000 |
Interest Rate (as a percent) | 5.93% |

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