Income Taxes - Reconciliation Between the Effective Income Tax Rates and the Applicable Statutory Rate (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
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	4.10%	2.10%	2.40%	2.60%
Taxes attributable to noncontrolling interests	5.60%	1.40%	4.20%	2.20%
Renewable energy tax credits	(32.80%)	(6.60%)	(19.40%)	(6.40%)
Amortization of deferred regulatory credit	(3.70%)	(1.70%)	(2.60%)	(1.90%)
Other – net	0.60%	0.00%	(0.80%)	(0.60%)
Effective income tax rate	(5.20%)	16.20%	4.80%	16.90%
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	4.40%	4.40%	4.30%	4.30%
Taxes attributable to noncontrolling interests	0.00%	0.00%	0.00%	0.00%
Renewable energy tax credits	(4.90%)	(2.20%)	(3.80%)	(1.90%)
Amortization of deferred regulatory credit	(3.00%)	(3.60%)	(3.00%)	(3.60%)
Other – net	(0.20%)	(0.20%)	(0.30%)	(0.30%)
Effective income tax rate	17.30%	19.40%	18.20%	19.50%