Commitments and Contingencies (Long-term Purchase Commitment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
NEER Segment
Required capacity and/or minimum payments [Abstract]
Remainder of 2025	$ 3,510		$ 3,510
2026	2,615		2,615
2027	515		515
2028	240		240
2029	125		125
Thereafter	425		425
Commitment to invest	165		165
Joint Obligations Remainder Current Year	875		875
Joint Obligations Second Year	190		190
Contract Group 1 [Member] | NEER Segment
Long-term Purchase Commitment [Line Items]
Commitment amount included in capital expenditures	5,000		5,000
Florida Power & Light Company
Required capacity and/or minimum payments [Abstract]
Remainder of 2025	595		595
2026	1,165		1,165
2027	1,135		1,135
2028	1,100		1,100
2029	1,090		1,090
Thereafter	7,290		7,290
Related Party Transaction, Amounts of Transaction	104	$ 102	204	$ 203
Florida Power & Light Company | Pipeline Affiliates [Member] | Natural Gas, Including Transportation And Storage, Contract Minimum Payments [Member]
Required capacity and/or minimum payments [Abstract]
Remainder of 2025	205		205
2026	400		400
2027	400		400
2028	400		400
2029	395		395
Thereafter	$ 4,765		$ 4,765
Florida Power & Light Company | Consolidation, Eliminations [Member]
Required capacity and/or minimum payments [Abstract]
Related Party Transaction, Amounts of Transaction		$ 24		$ 48