v3.26.3
Variable Interest Entities (Details)
$ in Millions
Sep. 30, 2026
USD ($)
variable_interest_entity
numberOfBatteryStorageFacilities
numberOfWindGenerationFacilities
solar_generation_facility
MW
Mar. 31, 2026
MW
Dec. 31, 2025
USD ($)
variable_interest_entity
Variable Interest Entity [Line Items]      
Assets $ 18,846   $ 19,595
Liabilities 8,167   8,696
Generation facility capacity (mw) | MW   300  
Investments in equity method investees 661   625
Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Investments in equity method investees $ 89   $ 82
Sunlight Renewable Holdings | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Battery Storage Capacity | MW 230    
Differential Membership Interests      
Variable Interest Entity [Line Items]      
Number of entities consolidated | variable_interest_entity 12   15
Number of wind facilities | numberOfWindGenerationFacilities 25    
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 $ 8,055   $ 9,601
Liabilities $ 469   504
XPLR Subsidiaries | Noncontrolling Class B interests [Member] | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Number of entities consolidated | variable_interest_entity 3    
Assets $ 9,883   10,066
Liabilities $ 1,446   1,464
Generation facility capacity (mw) | MW 4,427    
Battery Storage Capacity | MW 120    
Rosmar, Silver State, Meade Pine Brooke, Star Moon and Emerald [Member] | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Number of entities consolidated | variable_interest_entity 3    
Other Acquisitions [Member] | Differential Membership And Noncontrolling Class B Interests [Member] | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Assets $ 6,672   7,217
Liabilities 424   419
Sunlight Renewable Holdings | Differential Membership Interests | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Assets 322   329
Liabilities 9   8
Sunlight Renewable Holdings And Silver State South Solar, LLC | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Assets 981   1,006
Liabilities $ 31   $ 28
XPLR OpCo      
Variable Interest Entity [Line Items]      
Limited partner interest percentage 48.80%    
Noncontrolling limited partner interest percentage 51.20%    
Battery Storage Facility | Sunlight Renewable Holdings | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Limited partner interest percentage 67.00%    
Battery Storage Facility | Silver State South Solar, LLC | Variable Interest Entity, Primary Beneficiary [Member]      
Variable Interest Entity [Line Items]      
Limited partner interest percentage 50.00%    
Battery Storage Capacity | MW 250