Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Additional Information (Details)

v3.21.1
Our Portfolio - Additional Information (Details)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 01, 2020
USD ($)
project
MW
Dec. 31, 2020
USD ($)
project
GW
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2021
USD ($)
project
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity method investments, receivables, real estate and investments     $ 2,917,000,000   $ 2,917,000,000    
Allowance for loss on receivables   $ 36,000,000 36,000,000   36,000,000 $ 36,000,000  
Financing receivables on non accrual status   $ 0 0   0 0  
OTTI on equity method investments     0     0  
Jupiter Equity Holdings, LLC              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Portfolio of renewable energy projects, power | MW 2.3            
Capital contribution to partnership         $ 465,000,000    
Project aggregate capacity | MW 2.1            
Investment, limited partnership, expected total contribution $ 540,000,000            
Additional number of projects | project 3            
Number of projects owned | project 13            
Project, weighted average contract life 13 years            
Distribution percent 49.00%            
Distribution from partnership, upon achievement of certain targets, percent 33.00%            
Jupiter Equity Holdings, LLC | Sponsor              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Distribution from partnership, upon achievement of certain targets, percent 67.00%            
Jupiter Equity Holdings, LLC | Class A units | Jupiter Equity Holdings, LLC              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Ownership percent 100.00%            
Jupiter Equity Holdings, LLC | Operating wind project              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Number of operating wind projects | project         8    
Jupiter Equity Holdings, LLC | Onshore wind projects              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Number of projects owned | project 9            
Jupiter Equity Holdings, LLC | Solar projects              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Number of projects owned | project 4            
The Lighthouse Partnerships              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Portfolio of renewable energy projects, power | GW   1.6          
Capital contribution to partnership   $ 663,000,000          
Project, weighted average contract life   14 years          
Number of partnerships | project   3          
Investment, limited partnership, preferred cash equity interests     219,000,000   $ 219,000,000    
Equity contributions     15,000,000        
Member loans     10,000,000   10,000,000    
3              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Allowance for loss on receivables     8,000,000   8,000,000    
Commercial receivables              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Allowance for loss on receivables   $ 36,000,000 36,000,000 $ 26,000,000 36,000,000 $ 36,000,000 $ 25,000,000
Provision for loss on receivables     0 $ 1,000,000      
Commercial receivables | 3              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity method investments, receivables, real estate and investments     0   0    
Allowance for loss on receivables     $ 8,000,000   $ 8,000,000