Income Taxes - Reconciliation Between the Effective Income Tax Rates and the Applicable Statutory Rate (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
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	2.10%	4.10%	2.60%	(0.40%)
Taxes attributable to noncontrolling interests	1.40%	4.00%	2.20%	30.00%
PTCs and ITCs	(6.60%)	(3.70%)	(6.40%)	(34.80%)
Amortization of deferred regulatory credit	(1.70%)	(3.50%)	(1.90%)	(27.80%)
Other – net	0.00%	(1.00%)	(0.60%)	(6.30%)
Effective income tax rate	16.20%	20.90%	16.90%	(18.30%)
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%	4.40%
Taxes attributable to noncontrolling interests	0.00%	0.00%	0.00%	0.00%
PTCs and ITCs	(2.20%)	(0.60%)	(1.90%)	(0.60%)
Amortization of deferred regulatory credit	(3.60%)	(3.90%)	(3.60%)	(4.00%)
Other – net	(0.20%)	(0.10%)	(0.30%)	0.00%
Effective income tax rate	19.40%	20.80%	19.50%	20.80%