XML 137 R92.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Employee Retirement Benefits - Net Periodic Income Cost Regulatory Assets (Details) - Pension Benefits [Member] - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Service Cost Recognized In Regulatory Assets Liabilities | $ 0 | $ (2)
Unrecognized gains | (129) | (56)
Total | $ (129) | $ (58)

X
- Definition Total components of net periodic benefit (income) cost recognized during the period in regulatory assets (liabilities). + References No definition available. + Details
Name: | nee_DefinedBenefitPlanComponentsOfNetPeriodicBenefitIncomeCostRecognizedInRegulatoryAssetsLiabilities
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Defined Benefit Plan, Service Cost Recognized In Regulatory Assets Liabilities + References No definition available. + Details
Name: | nee_DefinedBenefitPlanServiceCostRecognizedInRegulatoryAssetsLiabilities
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net gains (losses) component of net periodic benefit (income) cost recognized during the period in regulatory assets (liabilities). + References No definition available. + Details
Name: | nee_UnrecognizedLossesGainsRecognizedInRegulatoryLiabilitiesAssets
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |