XML 86 R49.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Summary of Significant Accounting and Reporting Policies - Electric Plant, Depreciation and Amortization (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Summary of Significant Accounting Policies [Line Items] |  |
Convertible Investment Tax Credits | $ 633 | $ 693
FPL [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Convertible Investment Tax Credits | $ 106 | $ 111

X
- Definition The amount of convertible ITCs recorded during the year. Convertible ITCs are amortized as a reduction to depreciation and amortization expense over the estimated life of the related property, plant and equipment. + References No definition available. + Details
Name: | nee_ConvertibleInvestmentTaxCredits
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition [Line Items] for Summary of Significant Accounting Policies [Table] + References No definition available. + Details
Name: | nee_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | nee_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=nee_FloridaPowerLightCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |