Income Taxes - Reconciliation of Effective Income Tax Rate (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Loss Carryforwards [Line Items]
Statutory federal income tax rate	21.00%	21.00%	21.00%
Increases (reductions) resulting from:
State income taxes – net of federal income tax benefit	3.70%	1.40%	1.60%
Taxes attributable to noncontrolling interests	4.30%	3.00%	4.90%
Renewable energy tax credits	(19.90%)	(8.30%)	(6.80%)
Amortization of deferred regulatory credit	(2.70%)	(2.50%)	(4.80%)
Other – net	(0.80%)	(0.80%)	(0.60%)
Effective income tax rate (in hundredths)	5.60%	13.80%	15.30%
FPL [Member]
Operating Loss Carryforwards [Line Items]
Statutory federal income tax rate	21.00%	21.00%	21.00%
Increases (reductions) resulting from:
State income taxes – net of federal income tax benefit	4.30%	4.30%	4.40%
Taxes attributable to noncontrolling interests	0.00%	0.00%	0.00%
Renewable energy tax credits	(4.30%)	(2.00%)	(1.10%)
Amortization of deferred regulatory credit	(3.00%)	(3.20%)	(4.00%)
Other – net	(0.40%)	(0.30%)	0.10%
Effective income tax rate (in hundredths)	17.60%	19.80%	20.40%