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Summary of Significant Accounting and Reporting Policies - Disposal of Businesses/Assets and Sale of Noncontrolling Ownership Interests (Details)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
facility
basisPoint
MW
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
facility
MW
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     $ 352 $ 405 $ 522  
Investment in equity method investees $ 6,118   6,118 6,156 6,582  
Distributions of earnings from equity method investees     811 712 541  
Customer deposits 694   694 638    
Accrued construction-related expenditures 2,346   2,346 1,861    
FPL [Member]            
Summary of Significant Accounting Policies [Line Items]            
Gains (losses) on disposal of businesses/assets – net     1 407 $ 4  
Customer deposits 669   669 610    
Accrued construction-related expenditures 860   860 486    
NEER [Member]            
Summary of Significant Accounting Policies [Line Items]            
Investment in equity method investees 4,501   $ 4,501 $ 3,963    
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Certain Oil and Gas Shale Formations            
Summary of Significant Accounting Policies [Line Items]            
Ownership percentage sold   100.00%        
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Southern U.S. | Three Natural Gas Pipelines            
Summary of Significant Accounting Policies [Line Items]            
Number of Natural Gas Pipelines Facilities | basisPoint   3        
Number of Pipeline Facilities NEER Will Continue to Operate | basisPoint   2        
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Portfolio of Five Wind and Three Solar Generation Facilities            
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   1,634        
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 | 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] | NEER [Member] | Three Natural Gas Pipelines and Certain Oil and Gas Shale Formations            
Summary of Significant Accounting Policies [Line Items]            
Purchase price   $ 101        
Gains (losses) on disposal of businesses/assets – net   120        
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax   77        
Plant, Property, and Equipment, Decrease from Deconsolidation   2,211        
Long-term Debt, Decrease from Deconsolidation   1,833        
Investment in equity method investees   396        
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]            
Purchase price         $ 805  
Disposal Group, Including Discontinued Operation, Working Capital         8  
Gains (losses) on disposal of businesses/assets – net         301  
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax         230  
Accrued construction-related expenditures       $ 68    
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | United States, Geographically Diverse Locations | Portfolio of Five Wind and Three Solar Generation Facilities            
Summary of Significant Accounting Policies [Line Items]            
Purchase price   900        
Gains (losses) on disposal of businesses/assets – net   103        
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax   76        
Plant, Property, and Equipment, Decrease from Deconsolidation   2,520        
Noncontrolling Interest, Decrease from Deconsolidation   844        
Investment in equity method investees   $ 831        
Distributions of earnings from equity method investees $ 386          
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]            
Purchase price       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]            
Purchase price         191  
Disposal Group, Including Discontinued Operation, Working Capital         2  
Gains (losses) on disposal of businesses/assets – net         87  
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax         66  
FPL [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]            
Summary of Significant Accounting Policies [Line Items]            
Purchase price       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    
XPLR [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  
XPLR [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%    
XPLR [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%  
Number Of Wind Generation Facilities | facility         3  
Number of Solar Plus Battery Facilities | facility         1  
Total generating facility capacity (mw) | MW         1,437  
Battery storage facility capacity | MW         65  
XPLR [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%
XPLR [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%  
Number Of Wind Generation Facilities         3  
Total generating facility capacity (mw) | MW         347  
XPLR [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%  
XPLR 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  
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  
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]            
Disposal of Business and Interest Affiliates, Contingent Payments         $ 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%
Pipeline Joint Venture | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three Natural Gas Pipelines            
Summary of Significant Accounting Policies [Line Items]            
Equity method investment, percentage sold   15.00%        
Pipeline Joint Venture | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three Natural Gas Pipelines and Certain Oil and Gas Shale Formations | Pipeline Joint Venture            
Summary of Significant Accounting Policies [Line Items]            
Equity method investment, ownership percentage   85.00%        
Nitro Joint Venture | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Portfolio of Five Wind and Three Solar Generation Facilities            
Summary of Significant Accounting Policies [Line Items]            
Equity method investment, percentage sold   65.00%        
Nitro Joint Venture | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Portfolio of Five Wind and Three Solar Generation Facilities | Renewable Assets Joint Venture            
Summary of Significant Accounting Policies [Line Items]            
Equity method investment, ownership percentage   35.00%        
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%
XPLR 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
XPLR 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]            
Purchase price           $ 1,700
XPLR , 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