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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
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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 |  |

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- 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. + Details
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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. + Details
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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 No definition available. + Details
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- Definition Plant Dismantlement Approved Expense After Dismantlement Study + References No definition available. + Details
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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. + Details
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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. + 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, expressed in current year dollars. + References No definition available. + Details
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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 No definition available. + Details
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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 + Details
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