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Summary of Significant Accounting and Reporting Policies - Disposal of Businesses/Assets and Sale of Noncontrolling Ownership Interests (Details) $ in Millions | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) facility MW | Jun. 30, 2023 USD ($) facility MW | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) facility MW | Dec. 31, 2021 USD ($) facility MW
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Gains (losses) on disposal of businesses/assets – net |  |  |  | $ 405 | $ 522 | $ 77
Customer deposits |  | $ 560 |  | 638 | 560 |
Accrued construction-related expenditures |  | 1,760 |  | 1,861 | 1,760 |
FPL [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Gains (losses) on disposal of businesses/assets – net |  |  |  | 407 | 4 | 1
Customer deposits |  | 543 |  | 610 | 543 |
Accrued construction-related expenditures |  | 559 |  | 486 | 559 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities | Accounts Payable |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Accrued construction-related expenditures |  | 810 |  | 68 | 810 |
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 |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Stockholders' Equity Attributable to Noncontrolling Interest |  |  |  |  |  | 125
Increase (Decrease) To Additional Paid In Capital, Gross |  |  |  |  |  | 60
Increase (Decrease) To Additional Paid In Capital, Net |  |  |  |  |  | $ 43
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Five Wind Generation Facilities and Three Solar Facilities Located In Multiple Regions |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number Of Wind Generation Facilities | facility |  |  | 5 |  |  |
Number Solar Generation Facilities | facility |  |  | 3 |  |  |
Total generating facility capacity (mw) | MW |  |  | 688 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity | Current other liabilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  | $ 551 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Four solar facilities and multiple generation solar facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number Solar Generation Facilities | facility |  |  |  |  |  | 4
Total generating facility capacity (mw) | MW |  |  |  |  |  | 122
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | CALIFORNIA | Battery Storage Facility |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Battery storage facility capacity | MW |  |  |  |  | 230 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Midwest and West Regions | Three wind facilities and one solar facility |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number Of Wind Generation Facilities | facility |  |  |  |  |  | 3
Number Solar Generation Facilities | facility |  |  |  |  |  | 1
Total generating facility capacity (mw) | MW |  |  |  |  |  | 467
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  | 805 |  |  | $ 805 |
Gains (losses) on disposal of businesses/assets – net |  | 301 |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  | 230 |  |  |  |
Disposal Group, Including Discontinued Operation, Working Capital |  | 8 |  |  | 8 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Gains (losses) on disposal of businesses/assets – net |  |  |  |  |  | $ 53
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  |  |  | 33
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | Three wind generation facilities and one solar facility and four solar facilities and multiple distributed generation solar facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  | 563
Gains (losses) on disposal of businesses/assets – net |  |  |  |  |  | 94
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  |  |  | 69
Disposal Group, Including Discontinued Operation, Working Capital |  |  |  |  |  | $ 22
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | United States, Geographically Diverse Locations | Five Wind Generation Facilities and Three Solar Facilities Located In Multiple Regions |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  | $ 566 |  |  |
Disposal Group, Including Discontinued Operation, Working Capital |  |  | $ 32 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | CALIFORNIA | Battery Storage Facility |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  | 191 |  |  | 191 |
Gains (losses) on disposal of businesses/assets – net |  |  |  |  | 87 |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax |  |  |  |  | 66 |
Disposal Group, Including Discontinued Operation, Working Capital |  | 2 |  |  | 2 |
FPL [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 924 |  |  |  |  |
Gains (losses) on disposal of businesses/assets – net | 406 |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax | 306 |  |  |  |  |
FPL [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | FPL [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax | $ 300 |  |  |  |  |
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three wind generation facilities and one solar plus battery facility and three wind facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Customer deposits |  | $ 150 |  |  | $ 150 |
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Five Wind Generation Facilities and Three Solar Facilities Located In Multiple Regions |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  |  | 100.00% |  |  |
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Three wind facilities, one solar plus battery facility |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  | 49.00% |  |  | 49.00% |
Number Of Wind Generation Facilities | facility |  | 3 |  |  | 3 |
Total generating facility capacity (mw) | MW |  | 1,437 |  |  |  |
Number of Solar Plus Battery Facilities | facility |  | 1 |  |  | 1 |
Battery storage facility capacity | MW |  | 65 |  |  |  |
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 50.00%
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Four solar facilities and multiple generation solar facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 33.30%
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Midwest Region | Three wind facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  | 100.00% |  |  | 100.00% |
Number Of Wind Generation Facilities |  | 3 |  |  | 3 |
Total generating facility capacity (mw) | MW |  | 347 |  |  |  |
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | CALIFORNIA | Battery Storage Facility |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  | 67.00% |  |  | 67.00% |
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Midwest and West Regions | Three wind facilities and one solar facility |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 100.00%
NEP and Differential | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three wind generation facilities and one solar plus battery facility and three wind facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Customer deposits |  | $ 251 |  | $ 251 | $ 251 |
Differential Memberships | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three wind generation facilities and one solar plus battery facility and three wind facilities |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Customer deposits |  | 101 |  |  | 101 |
Differential Memberships | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Customer deposits |  |  |  |  |  | $ 319
Disposal of Business and Interest Affiliates, Contingent Payments |  | $ 117 |  |  | $ 117 | $ 117
Subsidiaries of NextEra Energy Resources | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 100.00%
Third Party [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  | 50.00%
NEP And Third Party | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number Of Wind Generation Facilities | facility |  |  |  |  |  | 7
Number Solar Generation Facilities | facility |  |  |  |  |  | 6
Total generating facility capacity (mw) | MW |  |  |  |  |  | 2,520
Battery storage facility capacity | MW |  |  |  |  |  | 115
Customer deposits |  |  |  |  |  | $ 349
NEP And Third Party | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  | 1,700
NEP , Third Party and Differential Membership | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Customer deposits |  |  |  |  |  | $ 668

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