Income Taxes - Reconciliation Between the Effective Income Tax Rates and the Applicable Statutory Rate (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 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	3.40%	4.10%	4.80%	2.40%
Taxes attributable to noncontrolling interests	5.90%	5.60%	12.00%	4.20%
Clean energy tax credits	(47.00%)	(32.80%)	(89.60%)	(19.40%)
Amortization of deferred regulatory credit	(2.90%)	(3.70%)	(6.30%)	(2.60%)
Other – net	1.10%	0.60%	(0.50%)	(0.80%)
Effective income tax rate	(18.50%)	(5.20%)	(58.60%)	4.80%
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	4.30%	4.40%	4.30%	4.30%
Taxes attributable to noncontrolling interests	0.00%	0.00%	0.00%	0.00%
Clean energy tax credits	(10.80%)	(4.90%)	(9.40%)	(3.80%)
Amortization of deferred regulatory credit	(2.80%)	(3.00%)	(2.80%)	(3.00%)
Other – net	(0.30%)	(0.20%)	(0.30%)	(0.30%)
Effective income tax rate	11.40%	17.30%	12.80%	18.20%