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Variable Interest Entities (Details)
$ in Millions
 9 Months Ended
Sep. 30, 2023
USD ($)
pipeline_asset
variable_interest_entity
MW
solar_generation_facility
numberOfWindGenerationFacilities
equity_investment
numberOfBatteryStorageFacilities
shares
Dec. 31, 2022
USD ($)
variable_interest_entity
Variable Interest Entity [Line Items]    
Assets $ 23,213 $ 23,052
Liabilities 8,803 8,280
Non-current assets $ 22,091 $ 21,190
NEP OpCo [Member] | Subsidiaries [Member]    
Variable Interest Entity [Line Items]    
Generation facility capacity (mw) | MW 277  
Number of investments | equity_investment 3  
Power storage capacity | MW 230  
Economic rights percentage 100.00%  
Differential Membership Interests    
Variable Interest Entity [Line Items]    
Number of entities consolidated | variable_interest_entity 20 21
Number of wind facilities | numberOfWindGenerationFacilities 40  
Number of solar facilities | solar_generation_facility 8  
Number of battery storage facilities | numberOfBatteryStorageFacilities 1  
Differential Membership Interests | Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Assets $ 11,577 $ 12,127
Liabilities 739 1,336
Non-Economic Ownership Interest | NEP OpCo [Member]    
Variable Interest Entity [Line Items]    
Non-current assets $ 123 98
NEP Subsidiaries | Noncontrolling Class B interests [Member] | Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Number of entities consolidated | variable_interest_entity 6  
Assets $ 15,882 16,448
Liabilities $ 2,902 3,456
Generation facility capacity (mw) | MW 5,622  
Number of natural gas pipelines | pipeline_asset 7  
Battery Storage Capacity | MW 120  
Rosmar, Silver State and Meade [Member] | Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Number of entities consolidated | variable_interest_entity 6  
Other Acquisitions [Member] | Differential Membership And Noncontrolling Class B Interests [Member] | Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Assets $ 7,740 8,088
Liabilities 611 1,198
Sunlight Renewable Holdings | Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Assets 435 443
Liabilities 11 10
Sunlight Renewable Holdings | Differential Membership Interests | Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Assets 348 344
Liabilities $ 11 $ 10
NEP OpCo [Member] | NEP OpCo [Member]    
Variable Interest Entity [Line Items]    
Ownership interests percentage 50.00%  
NEP OpCo [Member] | Class B Units, Series 1 [Member] | NextEra Energy Partners, LP [Member] | NEP OpCo [Member]    
Variable Interest Entity [Line Items]    
Number of units issued (in units) | shares 1,000,000  
NEP OpCo [Member] | Class B Units, Series 2 [Member] | NextEra Energy Partners, LP [Member] | NEP OpCo [Member]    
Variable Interest Entity [Line Items]    
Number of units issued (in units) | shares 1,000,000  
NEP OpCo [Member]    
Variable Interest Entity [Line Items]    
Limited partner interest percentage 48.60%  
Noncontrolling limited partner interest percentage 51.40%