Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Summary of the Carrying Value and Allowance by Type of Receivable or "Portfolio Segment" (Details)

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Our Portfolio - Summary of the Carrying Value and Allowance by Type of Receivable or "Portfolio Segment" (Details) - USD ($)
Jun. 30, 2020
Mar. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Carrying Value $ 1,128,000,000      
Allowance 29,000,000   $ 26,000,000 $ 8,000,000
Net receivables 1,099,000,000   1,162,000,000  
Financing receivables, investments, real estate and equity method investments 2,062,000,000      
Financing receivables on non accrual status 0     0
Government        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Allowance 0 $ 0 0 0
Receivables 255,757,000     263,175,000
Net receivables 256,000,000   270,000,000  
Commercial        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Allowance 29,000,000 $ 26,000,000 26,000,000 26,000,000
Receivables 843,223,000     $ 896,432,000
Net receivables 843,000,000   $ 892,000,000  
U.S. Federal Government        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables 146,000,000      
State, Local, Institutions        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables 110,000,000      
Residential Solar Loan        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Net receivables 461,000,000      
Special Purpose Subsidiaries        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Noncontrolling equity investments 12,000,000      
Special Purpose Subsidiaries | Residential Solar Loan        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Net receivables 371,000,000      
External Credit Rating, Non Investment Grade | Leasing Arrangement        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Financing receivables, investments, real estate and equity method investments 48,000,000      
1 | Government        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Carrying Value 257,000,000      
Allowance 0      
Net receivables 257,000,000      
Financing receivables, investments, real estate and equity method investments 292,000,000      
1 | Commercial        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Carrying Value 853,000,000      
Allowance 18,000,000      
Net receivables 835,000,000      
Financing receivables, investments, real estate and equity method investments $ 1,739,000,000