XML 79 R45.htm IDEA: XBRL DOCUMENT v3.20.2
Mortgage Loans Credit Quality Indicators - MF (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]    
Total recorded investment in loans $ 3,553,886 $ 3,336,929
Financing Receivable, before Allowance for Credit Loss 3,550,734 3,336,405
Multifamily [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, before Allowance for Credit Loss 359,717  
Financing Receivable, Originated in Current Fiscal Year 45,248  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 69,546  
Financing Receivable, Originated Two Years before Latest Fiscal Year 64,049  
Financing Receivable, Originated Three Years before Latest Fiscal Year 54,383  
Financing Receivable, Originated Four Years before Latest Fiscal Year 46,293  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 80,198  
Doubtful [Member] | Multifamily [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, before Allowance for Credit Loss 0 5
Non-Classified [Member] | Multifamily [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, before Allowance for Credit Loss 349,992 323,773
Financing Receivable, Originated in Current Fiscal Year 45,240  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 68,698  
Financing Receivable, Originated Two Years before Latest Fiscal Year 62,601  
Financing Receivable, Originated Three Years before Latest Fiscal Year 51,824  
Financing Receivable, Originated Four Years before Latest Fiscal Year 44,804  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 76,825  
Classified | Multifamily [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, before Allowance for Credit Loss 9,725 6,845
Financing Receivable, Originated in Current Fiscal Year 8  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 848  
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,448  
Financing Receivable, Originated Three Years before Latest Fiscal Year 2,559  
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,489  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 3,373  
Internal Credit Risk    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, before Allowance for Credit Loss   330,618
Multifamily [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total recorded investment in loans $ 359,717 $ 330,618