Debt - Long-term Debt Issuances and Borrowings (Details)	6 Months Ended
Jun. 30, 2022 USD ($)
Florida Power & Light Company \| First mortgage bonds
Debt Instrument [Line Items]
Principal Amount	$ 1,500,000,000
Interest Rate (as a percent)	2.45%
Florida Power & Light Company \| Senior unsecured notes
Debt Instrument [Line Items]
Principal Amount	$ 1,444,000,000
Interest Rate Terms	Variable
NextEra Energy Capital Holdings, Inc. \| Revolving credit facilities
Debt Instrument [Line Items]
Principal Amount	$ 850,000,000
Interest Rate Terms	Variable
NextEra Energy Capital Holdings, Inc. \| Debentures
Debt Instrument [Line Items]
Principal Amount	$ 5,375,000,000
NextEra Energy Capital Holdings, Inc. \| Debentures \| Minimum
Debt Instrument [Line Items]
Interest Rate (as a percent)	2.94%
NextEra Energy Capital Holdings, Inc. \| Debentures \| Maximum
Debt Instrument [Line Items]
Interest Rate (as a percent)	5.00%
NextEra Energy Capital Holdings, Inc. \| Debentures variable
Debt Instrument [Line Items]
Principal Amount	$ 400,000,000
Interest Rate Terms	Variable

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.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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