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Debt - Narrative (Details) - USD ($) |  | 1 Months Ended |
--- | --- | --- | ---
Sep. 01, 2022 | Sep. 30, 2022 | Aug. 31, 2022
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | $ 18,500,000,000 |
Letters of Credit Outstanding, Amount |  | (4,100,000,000) |
Borrowings outstanding |  | $ 0 |
September 2019 Equity Units |  |  |
Debt Instrument [Line Items] |  |  |
Sale of stock, shares issued in transaction (in shares) | 21,600,000 |  |
Sale of stock, consideration received | $ 1,500,000,000 |  |
NEE Equity Units September 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 4.60% |
Amount of equity units sold |  | $ 2,000,000,000 |
Stated amount of each equity unit (in dollars per share) |  | $ 50 |
Undivided beneficial ownership interest per debenture (in hundredths) |  | 5.00% |
Principal amount of each debenture |  | $ 1,000 |
Number of shares (subject to antidilution adjustments) if purchased on final settlement date at less than or equal to low range threshold (in shares) |  | 0.5626 |
Number of shares (subject to antidilution adjustments) if purchased on the final settlement date at equal to or greater than high range threshold (in shares) |  | 0.4500 |
Trading period (in days) over which the market value is determined by reference to the average closing prices of the common stock |  | 20 days |
Rate of total annual distributions on equity units (in thousandths) |  | 6.926% |
Rate of payments on stock purchase contracts (in thousandths) |  | 2.326% |
Minimum | NEE Equity Units September 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Price per share of stock purchase contract (in dollars per share) |  | $ 88.88 |
Maximum | NEE Equity Units September 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Price per share of stock purchase contract (in dollars per share) |  | $ 111.10 |
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) |  | 4.60% |
NextEra Energy Capital Holdings, Inc. | Series J Debentures due 2024 | Debentures |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount |  |  | $ 1,500,000,000
Interest rate (as a percent) |  | 4.255% |
Florida Power & Light Company |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | $ 6,000,000,000 |
Letters of Credit Outstanding, Amount |  | (3,000,000) |
Borrowings outstanding |  | $ 0 |

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