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Summary of Significant Accounting and Reporting Policies (Additional Information) (Details) € in Millions, account in Millions, $ in Millions |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2021 | Dec. 31, 2020 USD ($) facility | Jan. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) facility account county MW | Sep. 30, 2022 USD ($) MW | Dec. 31, 2021 USD ($) facility MW | Nov. 30, 2022 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) facility account county unit MW | Dec. 31, 2021 USD ($) facility MW | Dec. 31, 2020 USD ($) facility MW | Aug. 31, 2022 USD ($) | Dec. 31, 2020 EUR (€) facility | Jan. 01, 2020 USD ($)
Regulated and Unregulated Operating Revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  |  | $ 23,000 | $ 18,800 | $ 17,000 |  |  |
Electric Plant, Depreciation and Amortization [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible ITCs |  |  |  |  |  |  |  |  | 693 | 755 |  |  |  |
Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Retirement Obligation |  | $ 3,166 |  | $ 3,328 |  | $ 3,179 |  |  | 3,328 | 3,179 | 3,166 |  |  |
Restricted Cash [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash, current |  |  |  | 1,840 |  | 677 |  |  | 1,840 | 677 |  |  |  |
Restricted cash related to margin cash collateral that is netted against derivative assets |  |  |  | 7 |  | 121 |  |  | 7 | 121 |  |  |  |
Restricted cash related to margin cash collateral that is netted against derivative liabilities |  |  |  | 1,541 |  | 172 |  |  | 1,541 | 172 |  |  |  |
Measurement of Credit Losses on Financial Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained earnings |  |  |  | 26,707 |  | 25,911 |  |  | 26,707 | 25,911 |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) |  |  |  |  |  |  |  |  | (113) | (146) | (94) |  |  |
Accounts Receivable, Allowance for Credit Loss, Noncurrent |  |  |  |  |  | 127 |  |  |  | 127 |  |  |  |
Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue equivalent of the difference in accumulated deferred income taxes computed under accounting rules, as compared to regulatory accounting rules |  |  |  | 3,504 |  | 3,780 |  |  | $ 3,504 | 3,780 |  |  |  |
Amortization period |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |
Unrecognized tax benefits that impact annual effective income tax rate |  |  |  | 119 |  |  |  |  | $ 119 |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  |  |  |  |  | 522 | 77 | 353 |  |  |
Customer deposits |  |  |  | 560 |  | 485 |  |  | 560 | 485 |  |  |  |
Construction Costs |  |  |  | $ 1,760 |  | 1,378 |  |  | $ 1,760 | 1,378 |  |  |  |
Storm Restoration Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Storm Funds Storm Reserves and Storm Cost Recovery Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory asset, amortization period |  |  |  |  |  |  |  |  | 12 months |  |  |  |  |
St. Lucie Units Number One |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
License renewal period |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |
St. Lucie Units Number Two |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
License renewal period |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |
Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Measurement of Credit Losses on Financial Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained earnings |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11
FPL [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis of Presentation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of customer accounts (more than) | account |  |  |  | 5.8 |  |  |  |  | 5.8 |  |  |  |  |
Number of counties In which entity operates | county |  |  |  | 8 |  |  |  |  | 8 |  |  |  |  |
Regulated and Unregulated Operating Revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  |  | $ 17,200 | 14,100 | 13,000 |  |  |
Electric Plant, Depreciation and Amortization [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible ITCs |  |  |  |  |  |  |  |  | $ 111 | 116 |  |  |  |
Construction Activity [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold of plant in service balance at which AFUDC may be recorded (in hundredths) | 0.40% | 0.50% |  |  |  |  |  |  |  |  |  |  |  |
Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum interval between nuclear decommissioning studies submitted to the FPSC for approval (in years) |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |
For FPL, number of nuclear units | unit |  |  |  |  |  |  |  |  | 4 |  |  |  |  |
FPL's portion of the ultimate costs of nuclear decommissioning |  |  |  | $ 9,600 |  |  |  |  | $ 9,600 |  |  |  |  |
FPL's Ultimate costs of nuclear decommissioning, in current year dollars |  |  |  | 2,500 |  |  |  |  | 2,500 |  |  |  |  |
FPL's fund earnings on decommissioning funds |  |  |  |  |  |  |  |  | 58 | 173 | 132 |  |  |
Plant Dismantlement Approved Expense |  |  |  |  |  |  |  |  | 26 |  |  |  |  |
Ultimate Costs Of Plant Dismantlement |  |  |  | 2,400 |  |  |  |  | 2,400 |  |  |  |  |
Ultimate Costs Of Plant Dismantlement In Current Year Dollars |  |  |  | 1,200 |  |  |  |  | 1,200 |  |  |  |  |
Asset Retirement Obligation |  | $ 1,936 |  | 2,176 |  | 2,107 |  |  | 2,176 | 2,107 | 1,936 |  |  |
Restricted Cash [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash, current |  |  |  | 33 |  | 53 |  |  | 33 | 53 |  |  |  |
Measurement of Credit Losses on Financial Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained earnings |  |  |  | 13,986 |  | 12,285 |  |  | 13,986 | 12,285 |  |  |  |
Storm Funds Storm Reserves and Storm Cost Recovery Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recoverable Storm Restoration Costs |  |  |  |  |  |  | $ 1,300 |  |  |  |  |  |  |
Storm Reserve, Value |  |  |  |  |  |  |  |  |  |  |  | $ 220 |  |
Recoverable Storm Restoration Costs in Excess of Storm Reserve |  |  |  | 1,100 |  |  |  |  | 1,100 |  |  |  |  |
Public Utilities, Accrued Storm Restoration Costs |  |  |  | (618) |  |  |  |  | (618) |  |  |  |  |
Storm restoration costs |  |  |  |  |  |  |  |  |  | (28) | (183) |  |  |
Storm restoration costs |  |  |  | (155) |  | 242 |  |  | (155) | 242 |  |  |  |
Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue equivalent of the difference in accumulated deferred income taxes computed under accounting rules, as compared to regulatory accounting rules |  |  |  | 3,449 |  | 3,723 |  |  | 3,449 | 3,723 |  |  |  |
Accumulated Deferred Investment Tax Credit |  |  |  | 1,031 |  | 1,054 |  |  | 1,031 | 1,054 |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits |  |  |  | 543 |  | 478 |  |  | 543 | 478 |  |  |  |
Construction Costs |  |  |  | 559 |  | 601 |  |  | $ 559 | 601 |  |  |  |
FPL [Member] | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fuel Recovery [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in under Energy Recovery |  |  | $ 2,100 |  |  |  |  |  |  |  |  |  |  |
Natural Gas Mid-Course Correction, Value |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |
Storm Funds Storm Reserves and Storm Cost Recovery Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |
Storm Reserve, Value |  |  | 220 |  |  |  |  |  |  |  |  |  |  |
Storm Restoration Costs, Pre-2022 |  |  | $ 136 |  |  |  |  |  |  |  |  |  |  |
FPL [Member] | St. Lucie Units Number Two |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
License renewal period |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |
NEER [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction Activity [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Project development costs of NEER |  |  |  | $ 1,027 |  | 831 |  |  | $ 1,027 | 831 |  |  |  |
Deemed capital structure of NEER (in hundredths) |  |  |  | 70.00% |  |  |  |  | 70.00% |  |  |  |  |
Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Retirement Obligation |  |  |  | $ 1,200 |  | 1,100 |  |  | $ 1,200 | 1,100 |  |  |  |
Ultimate Costs Of Nuclear Decommissioning For Wholly Owned Indirect Subsidiary |  |  |  | 9,500 |  |  |  |  | 9,500 |  |  |  |  |
Ultimate Costs Of Nuclear Decommissioning In Current Year Dollars For Wholly Owned Indirect Subsidiary |  |  |  | 2,000 |  |  |  |  | 2,000 |  |  |  |  |
Ultimate costs to dismantle wind and solar facilities |  |  |  |  |  |  |  |  | $ 2,500 |  |  |  |  |
Effective period for Seabrook's decommissioning funding plan (in years) |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |
NEER [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Wind Electric Generating Facility Capability | MW |  |  |  |  |  |  |  |  | 12,413 |  |  |  |  |
Solar generating facility capability | MW |  |  |  |  |  |  |  |  | 2,360 |  |  |  |  |
Battery Storage Facility Capability [Line Items] | MW |  |  |  |  |  |  |  |  | 714 |  |  |  |  |
Forecast [Member] | FPL [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plant Dismantlement Approved Expense |  |  |  |  |  |  |  | $ 48 |  |  |  |  |  |
Regulatory Assets, Current | FPL [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Storm Funds Storm Reserves and Storm Cost Recovery Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |
Storm restoration costs |  |  |  | (101) |  | 92 |  |  | $ (101) | 92 |  |  |  |
Regulatory Assets, Noncurrent | FPL [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Storm Funds Storm Reserves and Storm Cost Recovery Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |
Storm restoration costs |  |  |  | $ (54) |  | 150 |  |  | (54) | 150 |  |  |  |
Franchise and Gross Receipts Taxes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulated and Unregulated Operating Revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  |  | 1,035 | 852 | 800 |  |  |
Franchise and Gross Receipts Taxes [Member] | FPL [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulated and Unregulated Operating Revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  |  | $ 1,035 | $ 852 | $ 800 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind facilities, one solar plus battery facility | Subsidiaries of NextEra Energy Resources | NEP [Member] | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  | 49.00% |  |  |  |  | 49.00% |  |  |  |  |
Number Of Wind Generation Facilities | facility |  |  |  | 3 |  |  |  |  | 3 |  |  |  |  |
Number of Solar Plus Battery Facilities | facility |  |  |  | 1 |  |  |  |  | 1 |  |  |  |  |
Total generating facility capacity (mw) | MW |  |  |  | 1,437 |  |  |  |  |  |  |  |  |  |
Battery storage facility capacity | MW |  |  |  | 65 |  |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind facilities | Subsidiaries of NextEra Energy Resources | NEP [Member] | United States, Midwest Region |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  | 100.00% |  |  |  |  | 100.00% |  |  |  |  |
Number Of Wind Generation Facilities |  |  |  | 3 |  |  |  |  | 3 |  |  |  |  |
Total generating facility capacity (mw) | MW |  |  |  | 347 |  |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities | NEER [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  | $ 805 |  |  |  |  | $ 805 |  |  |  |  |
Disposal Group, Including Discontinued Operation, Working Capital |  |  |  | 8 |  |  |  |  | 8 |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  | 301 |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  | 230 |  |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities | Subsidiaries of NextEra Energy Resources | NEP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits |  |  |  | 150 |  |  |  |  | 150 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities | Subsidiaries of NextEra Energy Resources | Differential Memberships |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits |  |  |  | 101 |  |  |  |  | 101 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities | Subsidiaries of NextEra Energy Resources | NEP and Differential |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits |  |  |  | 251 |  |  |  |  | 251 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Battery Storage Facility | NEER [Member] | CALIFORNIA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Battery storage facility capacity | MW |  |  |  |  | 230 |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  | $ 191 |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Working Capital |  |  |  |  | 2 |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  | 87 |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  |  | $ 66 |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Battery Storage Facility | NEER [Member] | NEP [Member] | CALIFORNIA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  |  | 67.00% |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  |  | 53 |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  |  |  | $ 33 |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Seven wind facilities, six solar facilities and storage capacity | Subsidiaries of NextEra Energy Resources | Third Party [Member] | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 50.00% |  |  |  | 50.00% |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Seven wind facilities, six solar facilities and storage capacity | Subsidiaries of NextEra Energy Resources | NEP [Member] | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 50.00% |  |  |  | 50.00% |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Seven wind facilities, six solar facilities and storage capacity | Subsidiaries of NextEra Energy Resources | NEP And Third Party | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Wind Generation Facilities | facility |  |  |  |  |  | 7 |  |  |  | 7 |  |  |  |
Number Solar Generation Facilities | facility |  |  |  |  |  | 6 |  |  |  | 6 |  |  |  |
Total generating facility capacity (mw) | MW |  |  |  |  |  | 2,520 |  |  |  |  |  |  |  |
Battery storage facility capacity | MW |  |  |  |  |  | 115 |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  | $ 1,700 |  |  |  | $ 1,700 |  |  |  |
Customer deposits |  |  |  |  |  | 349 |  |  |  | 349 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Seven wind facilities, six solar facilities and storage capacity | Subsidiaries of NextEra Energy Resources | Differential Memberships | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits |  |  |  |  |  | 319 |  |  |  | 319 |  |  |  |
Disposal of Business and Interest Affiliates, Contingent Payments |  |  |  | 117 |  | $ 117 |  |  | 117 | $ 117 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Seven wind facilities, six solar facilities and storage capacity | Subsidiaries of NextEra Energy Resources | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 100.00% |  |  |  | 100.00% |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Seven wind facilities, six solar facilities and storage capacity | Subsidiaries of NextEra Energy Resources | NEP , Third Party and Differential Membership | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits |  |  |  |  |  | $ 668 |  |  |  | $ 668 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind facilities and one solar facility | Subsidiaries of NextEra Energy Resources | United States, Midwest and West Regions |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Wind Generation Facilities | facility |  |  |  |  |  | 3 |  |  |  | 3 |  |  |  |
Number Solar Generation Facilities | facility |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  |
Total generating facility capacity (mw) | MW |  |  |  |  |  |  |  |  |  | 467 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind facilities and one solar facility | Subsidiaries of NextEra Energy Resources | NEP [Member] | United States, Midwest and West Regions |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 100.00% |  |  |  | 100.00% |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Four solar facilities and multiple generation solar facilities | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Solar Generation Facilities | facility |  |  |  |  |  | 4 |  |  |  | 4 |  |  |  |
Total generating facility capacity (mw) | MW |  |  |  |  |  |  |  |  |  | 122 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Four solar facilities and multiple generation solar facilities | Subsidiaries of NextEra Energy Resources | NEP [Member] | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 33.30% |  |  |  | 33.30% |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar facility and four solar facilities and multiple distributed generation solar facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  |  |  |  |  |  | $ 94 |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  |  |  |  |  |  |  | 69 |  |  |  |
Disposal Group, Including Discontinued Operation, Stockholders' Equity Attributable to Noncontrolling Interest |  |  |  |  |  | $ 125 |  |  |  | 125 |  |  |  |
Increase (Decrease) To Additional Paid In Capital, Gross |  |  |  |  |  | 60 |  |  |  | 60 |  |  |  |
Increase (Decrease) To Additional Paid In Capital, Net |  |  |  |  |  | 43 |  |  |  | 43 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar facility and four solar facilities and multiple distributed generation solar facilities | NEER [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  | 563 |  |  |  | 563 |  |  |  |
Disposal Group, Including Discontinued Operation, Working Capital |  |  |  |  |  | 22 |  |  |  | 22 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and four solar generation facilities | subsidiary of NextEra Energy Resources [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Wind Generation Facilities | facility |  | 3 |  |  |  |  |  |  |  |  | 3 |  | 3 |
Number Solar Generation Facilities | facility |  | 4 |  |  |  |  |  |  |  |  | 4 |  | 4 |
Total generating facility capacity (mw) | MW |  |  |  |  |  |  |  |  |  |  | 900 |  |  |
Disposal Group, Including Discontinued Operation, Stockholders' Equity Attributable to Noncontrolling Interest |  | $ 689 |  |  |  |  |  |  |  |  | $ 689 |  |  |
Increase (Decrease) To Additional Paid In Capital, Gross |  | (188) |  |  |  |  |  |  |  |  | (188) |  |  |
Increase (Decrease) To Additional Paid In Capital, Net |  | $ (165) |  |  |  |  |  |  |  |  | $ (165) |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and four solar generation facilities | subsidiary of NextEra Energy Resources [Member] | Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  | 50.00% |  |  |  |  |  |  |  |  | 50.00% |  | 50.00% |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and four solar generation facilities | subsidiary of NextEra Energy Resources [Member] | subsidiary of NextEra Energy Resources [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  | 90.00% |  |  |  |  |  |  |  |  | 90.00% |  | 90.00% |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and four solar generation facilities | subsidiary of NextEra Energy Resources [Member] | NEP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  | 40.00% |  |  |  |  |  |  |  |  | 40.00% |  | 40.00% |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | One solar generation facility and one battery storage facility |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Battery storage facility capacity | MW |  |  |  |  |  |  |  |  |  |  | 30 |  |  |
Solar Generating Capacity | MW |  |  |  |  |  |  |  |  |  |  | 100 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | One solar generation facility and one battery storage facility | subsidiary of NextEra Energy Resources [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits |  | $ 155 |  |  |  |  |  |  |  |  | $ 155 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | One solar generation facility and one battery storage facility | subsidiary of NextEra Energy Resources [Member] | NEP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  | 100.00% |  |  |  |  |  |  |  |  | 100.00% |  | 100.00% |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and four solar facilities and one solar generation facility and one battery storage facility | NEER [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  | $ 656 |  |  |  |  |  |  |  |  | $ 656 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Two solar generation facilities located in Spain [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  |  |  |  |  |  |  | 270 |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  |  |  |  |  |  |  |  | $ 270 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Two solar generation facilities located in Spain [Member] | NEER [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Solar Generation Facilities | facility |  | 2 |  |  |  |  |  |  |  |  | 2 |  | 2 |
Total generating facility capacity (mw) | MW |  |  |  |  |  |  |  |  |  |  | 99.8 |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  | $ 121 |  |  |  |  |  |  |  |  | $ 121 |  | € 111 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Current other liabilities | Seven wind facilities, six solar facilities and storage capacity | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  |  |  | 551 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Accounts Payable | Three wind generation facilities and one solar plus battery facility and three wind facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction Costs |  |  |  | $ 810 |  |  |  |  | $ 810 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Accounts Payable | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of a Business/Assets and Sale of Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction Costs |  |  |  |  |  | $ 970 |  |  |  | $ 970 |  |  |  |

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- Definition Approximate number of customer accounts serviced by FPL. + References No definition available. + Details
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- Definition Asset Recovery Damaged Property Costs + References No definition available. + Details
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- References No definition available. + Details
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- Definition Battery Storage Facility Capability + References No definition available. + Details
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- Definition Battery Storage Facility Capacity + References No definition available. + Details
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- References No definition available. + Details
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- 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
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- References No definition available. + Details
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- Definition Deemed capital structure of subsidiary for purposes of allocating interest expense. + References No definition available. + Details
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- Definition Disposal Group, Including Discontinued Operation, Stockholders' Equity Attributable to Noncontrolling Interest + References No definition available. + Details
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- Definition Disposal Group, Including Discontinued Operation, Working Capital + References No definition available. + Details
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- Definition Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax + References No definition available. + Details
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- Definition Disposal of Business and Interest Affiliates, Contingent Payments + References No definition available. + Details
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- Definition Disposal of a Business/Assets [Abstract] + References No definition available. + Details
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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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- References No definition available. + Details
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- Definition Fuel Recovery + 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 Generating Facility Capacity + References No definition available. + Details
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- Definition Increase (Decrease) To Additional Paid In Capital, Gross + References No definition available. + Details
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- Definition License Renewal Period + 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 Natural Gas Mid-Course Correction, Value + References No definition available. + Details
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- Definition Number Of Counties In Which Entity Operates + 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 Number of Solar Plus Battery Facilities + References No definition available. + Details
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- Definition Number Of Wind Generation Facilities + References No definition available. + Details
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- Definition Number Solar Generation Facilities + 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 For NextEra Energy Resources, the amount of project development costs capitalized as of the balance sheet date. These costs include land rights and other third-party costs directly associated with the development of a new project. Upon commencement of construction, these costs either are transferred to construction work in progress or remain in other assets, depending upon the nature of the cost. Capitalized development costs are charged to OM expenses when recoverability is no longer probable. + References No definition available. + Details
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- Definition Public Utilities, Accrued Storm Restoration Costs + References No definition available. + Details
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- Definition Public Utilities, Storm Restoration Costs + References No definition available. + Details
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- Definition Recoverable Storm Restoration Costs + References No definition available. + Details
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- Definition Recoverable Storm Restoration Costs in Excess of Storm Reserve + References No definition available. + Details
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- Definition Reduction To Additional Paid In Capital, Net + References No definition available. + Details
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- Definition Regulatory Asset (Liability), Amortization Period + References No definition available. + Details
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- Definition Where offsetting positions exist, restricted cash related to margin cash collateral that is netted against derivative assets + References No definition available. + Details
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- Definition Where offsetting positions exist, restricted cash related to margin cash collateral that is netted against derivative liabilities + References No definition available. + Details
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- Definition The revenue equivalent of the difference in accumulated deferred income taxes computed under accounting rules, as compared to regulatory accounting rules. Included in other regulatory assets on the consolidated balance sheets, this amount is being amortized in accordance with the regulatory treatment over the estimated lives of the assets or liabilities for which the deferred tax amount was initially recognized. + References No definition available. + Details
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- Definition Solar Generating Capacity + References No definition available. + Details
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- Definition For FPL, FPSC rules limit the recording of allowance for funds used during construction (AFUDC) to projects that cost in excess of this threshold percentage of a utility's plant in service balance, and that require more than one year to complete. FPSC rules allow construction projects below this threshold as a component of rate base. + 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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