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Summary of Significant Accounting and Reporting Policies - Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) unit	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Summary of Significant Accounting Policies [Line Items]
Asset Retirement Obligation	$ 3,698	$ 3,437	$ 3,328
Turkey Point Units Number 3
Summary of Significant Accounting Policies [Line Items]
License renewal period	20 years
Turkey Point Units Number 4
Summary of Significant Accounting Policies [Line Items]
License renewal period	20 years
St. Lucie Units Number One
Summary of Significant Accounting Policies [Line Items]
License renewal period	20 years
St. Lucie Units Number Two
Summary of Significant Accounting Policies [Line Items]
License renewal period	20 years
FPL [Member]
Summary of Significant Accounting Policies [Line Items]
Maximum Interval Between Nuclear Decommissioning Studies	5 years
Number Of Nuclear Units Of Wholly Owned Subsidiary | unit	4
Ultimate Costs Of Nuclear Decommissioning For Wholly Owned Subsidiary	$ 9,600
FPL's Ultimate costs of nuclear decommissioning, in current year dollars	2,500
Fund Earnings On Decommissioning Funds Of Wholly Owned Subsidiary	238	144	58
Plant Dismantlement Approved Expense			48
Ultimate Costs Of Plant Dismantlement	2,500
Ultimate Costs Of Plant Dismantlement In Current Year Dollars	1,200
Asset Retirement Obligation	2,295	2,170	$ 2,176
NEER [Member]
Summary of Significant Accounting Policies [Line Items]
Asset Retirement Obligation	1,400	$ 1,300
Ultimate Costs Of Nuclear Decommissioning For Wholly Owned Indirect Subsidiary	9,800
Ultimate Costs Of Nuclear Decommissioning In Current Year Dollars For Wholly Owned Indirect Subsidiary	2,200
Ultimate costs to dismantle wind and solar facilities	$ 3,600
Effective Period For Decommissioning Funding Plan For Subsidiary	4 years

X

- Definition

For NextEra Energy Resources, the effective period for Seabrook Station's decommissioning funding plan filed with the New Hampshire Nuclear Decommissioning Financing Committee (NDFC).

+ References

No definition available.

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- Definition

For FPL, earnings on nuclear decommissioning reserve funds, net of taxes, which are reinvested in the funds and recognized as income/loss with an offset recorded to reflect a corresponding increase/decrease in the related regulatory liability accounts (with no effect on net income).

+ References

No definition available.

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- Definition

License Renewal Period

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- Definition

For FPL, the maximum interval (in years) between nuclear decommissioning studies that are submitted to the Florida Public Service Commission (FPSC) for approval.

+ References

No definition available.

+ Details

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- Definition

For FPL, the number of nuclear units for which the ultimate costs of decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the U.S. Department of Energy under a spent fuel settlement agreement, are indicated in the nuclear decommissioning study submitted to the FPSC.

+ References

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- Definition

Plant Dismantlement Approved Expense After Dismantlement Study

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[Line Items] for Summary of Significant Accounting Policies [Table]

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- Definition

This element represents NextEra Energy Resources' portion of the approximate ultimate costs of nuclear decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement.

+ References

No definition available.

+ Details

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- Definition

This element represents FPL's portion of the approximate ultimate costs of nuclear decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement.

+ References

No definition available.

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- Definition

This element represents NextEra Energy Resources' portion of the approximate ultimate costs of nuclear decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement, expressed in current year dollars.

+ References

No definition available.

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- Definition

This element represents FPL's portion of the approximate ultimate costs of nuclear decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement, expressed in current year dollars.

+ References

No definition available.

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- Definition

The element represents FPL's portion of the approximate ultimate costs of plant dismantlement.

+ References

No definition available.

+ Details

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- Definition

This element represents FPL's portion of the approximate ultimate costs of plant dismantlement, expressed in current year dollars.

+ References

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Ultimate cost to dismantle wind and solar facilities, where required

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481999/410-20-25-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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