Commitments and Contingencies (Long-term Purchase Commitment) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
NEER Segment
Required capacity and/or minimum payments [Abstract]
Remainder of 2025	$ 4,280
2026	2,015
2027	535
2028	140
2029	95
Thereafter	350
Commitment to invest	170
Joint Obligations Remainder Current Year	925
Joint Obligations Second Year	40
Contract Group 1 [Member] \| NEER Segment
Long-term Purchase Commitment [Line Items]
Commitment amount included in capital expenditures	5,100
Florida Power & Light Company
Required capacity and/or minimum payments [Abstract]
Remainder of 2025	885
2026	1,145
2027	1,115
2028	1,080
2029	1,050
Thereafter	7,165
Related Party Transaction, Amounts of Transaction	100	$ 102
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	305
2026	400
2027	400
2028	400
2029	395
Thereafter	$ 4,765
Florida Power & Light Company \| Consolidation, Eliminations [Member]
Required capacity and/or minimum payments [Abstract]
Related Party Transaction, Amounts of Transaction		$ 24

Commitment to invest in clean power and technology businesses.

No definition available.

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- Definition

Commitments included in planned capital expenditures

+ References

No definition available.

+ Details

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- Definition

Joint Obligations of NEECH and NEER included in the NEER amounts above due in the remainder of the current year

+ References

No definition available.

+ Details

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- Definition

Joint Obligations of NEECH and NEER included in the NEER amounts above due in the second year

+ References

No definition available.

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- Definition

Required Capacity And Or Minimum Payments Abstract

+ References

No definition available.

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- Definition

Estimated required capacity and/or minimum payments after the fifth year.

+ References

No definition available.

+ Details

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- Definition

Estimated required capacity and/or minimum payments for the fifth year.

+ References

No definition available.

+ Details

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- Definition

Estimated required capacity and/or minimum payments for the fourth year.

+ References

No definition available.

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- Definition

Estimated required capacity and/or minimum payments for the remainder of the current year.

+ References

No definition available.

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- Definition

Estimated required capacity and/or minimum payments for the second year.

+ References

No definition available.

+ Details

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- Definition

Estimated required capacity and/or minimum payments for the third year.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

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-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

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