Income Taxes - Reconciliation Between the Effective Income Tax Rates and the Applicable Statutory Rate (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Effective Income Tax Rate Reconciliation [Line Items]
Statutory federal income tax rate	21.00%	21.00%	21.00%	21.00%
Increases (reductions) resulting from:
State income taxes – net of federal income tax benefit	3.70%	5.10%	4.20%	3.30%
Taxes attributable to noncontrolling interests	3.40%	3.00%	6.90%	3.90%
Clean energy tax credits	(38.90%)	(25.50%)	(59.90%)	(21.30%)
Amortization of deferred regulatory credit	(2.30%)	(2.90%)	(3.90%)	(2.70%)
Other – net	(0.20%)	(0.40%)	(0.30%)	(0.80%)
Effective income tax rate	(13.30%)	0.30%	(32.00%)	3.40%
Florida Power & Light Company
Effective Income Tax Rate Reconciliation [Line Items]
Statutory federal income tax rate	21.00%	21.00%	21.00%	21.00%
Increases (reductions) resulting from:
State income taxes – net of federal income tax benefit	4.20%	4.30%	4.30%	4.30%
Taxes attributable to noncontrolling interests	0.00%	0.00%	0.00%	0.00%
Clean energy tax credits	(16.40%)	(4.00%)	(11.80%)	(3.90%)
Amortization of deferred regulatory credit	(2.80%)	(2.90%)	(2.80%)	(2.90%)
Other – net	(2.60%)	(0.80%)	(1.10%)	(0.50%)
Effective income tax rate	3.40%	17.60%	9.60%	18.00%