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Income Taxes - Reconciliation Between the Effective Income Tax Rates and the Applicable Statutory Rate (Details)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items]
Statutory federal income tax rate	21.00%	21.00%
Increases (reductions) resulting from:
State income taxes – net of federal income tax benefit	1.50%	3.20%
Taxes attributable to noncontrolling interests	3.40%	3.30%
Renewable energy tax credits	(11.70%)	(6.10%)
Amortization of deferred regulatory credit	(1.90%)	(2.10%)
Other – net	(1.80%)	(1.50%)
Effective income tax rate	10.50%	17.80%
Florida Power & Light Company
Effective Income Tax Rate Reconciliation [Line Items]
Statutory federal income tax rate	21.00%	21.00%
Increases (reductions) resulting from:
State income taxes – net of federal income tax benefit	4.30%	4.20%
Taxes attributable to noncontrolling interests	0.00%	0.00%
Renewable energy tax credits	(2.70%)	(1.60%)
Amortization of deferred regulatory credit	(2.90%)	(3.50%)
Other – net	(0.50%)	(0.40%)
Effective income tax rate	19.20%	19.70%

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Effective Income Tax Rate Reconciliation, Increases (Decreases), Percent [Abstract]

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[Line Items] for Effective Income Tax Rate Reconciliation [Table]

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Topic 740
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-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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-Topic 235
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes.

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