Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Additional Information (Details)

v3.21.2
Our Portfolio - Additional Information (Details)
 1 Months Ended 3 Months Ended 9 Months Ended
Jul. 01, 2020
project
MW
Jul. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
committee_member
project
GW
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                      
Equity method investments, receivables, real estate and investments       $ 3,194,000,000     $ 3,194,000,000        
Allowance for loss on receivables     $ 36,000,000 39,000,000     39,000,000        
Financing receivables on non-accrual status     0 0     0        
Allowance on investment     0 0     0        
Equity method investments     $ 1,279,651,000 1,468,282,000     1,468,282,000        
Jupiter Equity Holdings LLC                      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                      
Portfolio of renewable energy projects, power | MW 2.3                    
Investment, limited partnership, expected total contribution       540,000,000     540,000,000        
Project, weighted average contract life 13 years                    
Distribution percent 49.00%                    
Review committee | committee_member     4                
Distribution from partnership, upon achievement of certain targets, percent 33.00%                    
Equity method investments       540,000,000     540,000,000        
Jupiter Equity Holdings LLC | Company                      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                      
Review committee | committee_member     2                
Jupiter Equity Holdings LLC | Sponsor                      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                      
Review committee | committee_member     2                
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 | 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                
Project, weighted average contract life     14 years                
Review committee | committee_member     4                
Capital contribution to partnership     $ 663,000,000                
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            
The Lighthouse Partnerships | Company                      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                      
Review committee | committee_member     2                
The Lighthouse Partnerships | Sponsor                      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                      
Review committee | committee_member     2                
Equity investment converted to loan                      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                      
Equity method investments   $ 24,000,000                  
Portfolio loan   17,000,000                  
Gain (loss) from equity method investments   $ 7,000,000                  
Performance Rating 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 39,000,000   $ 31,000,000 39,000,000 $ 31,000,000 $ 37,000,000 $ 29,000,000 $ 26,000,000
Provision for loss on receivables       2,000,000   $ 2,000,000 3,000,000 $ 5,000,000      
Commercial receivables | Performance Rating 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        
Financing receivables on non-accrual status       8,000,000     8,000,000        
Equity method investments       $ 0     $ 0