Adjusted Threshold Appreciation Price

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- Definition

Amount of equity units sold.

+ References

No definition available.

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- Definition

The number of shares (subject to antidilution adjustments) if purchased on the final settlement date, if the market value of a share of common stock is equal to or greater than the high range of the price per share of the stock purchase contract.

+ References

No definition available.

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- Definition

The number of shares (subject to antidilution adjustments) if purchased on the final settlement date, if the market value of a share of common stock is less than or equal to the low range of the price per share of the stock purchase contract.

+ References

No definition available.

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- Definition

Principal amount of each debenture at time of issuance.

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No definition available.

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- Definition

Rate of payments on stock purchase contracts.

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No definition available.

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- Definition

Rate of total annual distributions on equity units.

+ References

No definition available.

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No definition available.

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- Definition

Stated amount of each equity unit sold.

+ References

No definition available.

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- Definition

The Adjusted Reference Price

+ References

No definition available.

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- Definition

The trading period (in days) over which the market value is determined by reference to the average closing prices of NextEra common stock.

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No definition available.

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- Definition

Represents the undivided beneficial ownership interest per debenture, included with a contract to purchase common stock, for each equity unit sold.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Debt (Narrative) (Details) - USD ($)	1 Months Ended			3 Months Ended	12 Months Ended
Debt (Narrative) (Details) - USD ($)	Sep. 30, 2020	Feb. 29, 2020	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2020	Jan. 31, 2022	Dec. 31, 2021	Aug. 31, 2019
Debt Instrument [Line Items]
Weighted-average interest rate of commercial paper and short-tem borrowings (in hundredths)					0.35%		0.39%
Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							$ 12,100,000,000
Letter of Credit [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							1,000,000
Revolving Credit Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							11,100,000,000
Revolving Credit Facility, Issuance of Letters of Credit [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							$ 1,900,000,000
FPL [Member]
Debt Instrument [Line Items]
Weighted-average interest rate of commercial paper and short-tem borrowings (in hundredths)					0.28%		0.27%
FPL [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							$ 4,600,000,000
FPL [Member] \| Letter of Credit [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							0
FPL [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							4,600,000,000
FPL [Member] \| Revolving Credit Facility, Issuance of Letters of Credit [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Available capacity							$ 647,000,000
NEE Equity Units September 2019 [Member]
Sale of equity units [Abstract]
Amount of equity units sold			$ 1,500,000,000	$ 1,500,000,000
Stated amount of each equity unit (in dollars per share)			$ 50	$ 50
Undivided beneficial ownership interest per debenture (in hundredths)			5.00%	5.00%
Principal amount of each debenture			$ 1,000	$ 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)							0.8973
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)							0.7181
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 hundredths)							4.872%
Interest rate							2.10%
Rate of payments on stock purchase contracts (in hundredths)							2.772%
NEE Equity Units September 2019 [Member] \| Minimum [Member]
Sale of equity units [Abstract]
The Adjusted Reference Price (in dollars per share)							$ 55.72
NEE Equity Units September 2019 [Member] \| Maximum [Member]
Sale of equity units [Abstract]
Adjusted Threshold Appreciation Price							$ 69.66
NEE Equity Units February 2020 [Member]
Sale of equity units [Abstract]
Amount of equity units sold		$ 2,500,000,000
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)							0.7104
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)							0.5681
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 hundredths)							5.279%
Interest rate							1.84%
Rate of payments on stock purchase contracts (in hundredths)							3.439%
NEE Equity Units February 2020 [Member] \| Minimum [Member]
Sale of equity units [Abstract]
The Adjusted Reference Price (in dollars per share)							$ 70.39
NEE Equity Units February 2020 [Member] \| Maximum [Member]
Sale of equity units [Abstract]
Adjusted Threshold Appreciation Price							$ 87.99
NEE Equity Units September 2020 [Member]
Sale of equity units [Abstract]
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)							0.6776
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)							0.5421
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 hundredths)							6.219%
Interest rate							0.509%
Rate of payments on stock purchase contracts (in hundredths)							5.71%
NEE Equity Units September 2020 [Member] \| Minimum [Member]
Sale of equity units [Abstract]
The Adjusted Reference Price (in dollars per share)							$ 73.79
NEE Equity Units September 2020 [Member] \| Maximum [Member]
Sale of equity units [Abstract]
Adjusted Threshold Appreciation Price							$ 92.24
Series I Debentures Due September 1, 2021 [Member] \| NextEra Energy Capital Holdings, Inc. [Member] \| Debentures [Member]
Sale of equity units [Abstract]
Interest rate								2.403%
Debt Instrument, Face Amount								$ 1,500,000,000
First mortgage bonds [Member] \| FPL [Member] \| Subsequent Event
Sale of equity units [Abstract]
Interest rate						2.45%
Debt Instrument, Face Amount						$ 1,500,000,000
Variable Rate Notes \| FPL [Member] \| Subsequent Event
Sale of equity units [Abstract]
Debt Instrument, Face Amount						$ 1,000,000,000
August 2016 Equity Units Stock Split [Member]
Sale of equity units [Abstract]
Sale of Stock, Number of Shares Issued in Transaction				9,500,000	38,200,000
Sale of Stock, Consideration Received on Transaction				$ 1,500,000,000