Commitments and Contingencies (Long-term Purchase Commitment) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
NEER Segment
Required capacity and/or minimum payments [Abstract]
Remainder of 2026	$ 7,485
2027	2,645
2028	615
2029	230
2030	155
Thereafter	485
Commitment to invest	150
Joint Obligations Remainder Current Year	1,560
Joint Obligations Second Year	470
Contract Group 1 [Member] \| NEER Segment
Long-term Purchase Commitment [Line Items]
Commitment amount included in capital expenditures	10,300
Florida Power & Light Company
Required capacity and/or minimum payments [Abstract]
Remainder of 2026	935
2027	1,185
2028	1,150
2029	1,135
2030	1,060
Thereafter	6,470
Related Party Transaction, Amounts of Transaction	100	$ 100
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 2026	325
2027	430
2028	430
2029	425
2030	425
Thereafter	$ 4,540

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.

+ Details

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- Definition

Required Capacity And Or Minimum Payments Abstract

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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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.

+ Details

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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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