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LENDING ACTIVITIES (Details - Credit quality of residential mortgages by year of vintage) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]    
Mortgage and other loans receivable, net [1] $ 45,562 $ 46,984
Residential mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 1,020  
2019 1,034  
2018 421  
2017 675  
2016 776  
Prior 719  
Mortgage and other loans receivable, net 4,645  
780 and greater | Residential mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 522  
2019 619  
2018 283  
2017 469  
2016 539  
Prior 484  
Mortgage and other loans receivable, net 2,916  
720 - 779 | Residential mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 478  
2019 349  
2018 103  
2017 155  
2016 180  
Prior 156  
Mortgage and other loans receivable, net 1,421  
660 - 719 | Residential mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 19  
2019 61  
2018 28  
2017 42  
2016 51  
Prior 58  
Mortgage and other loans receivable, net 259  
600 - 659 | Residential mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 1  
2019 5  
2018 6  
2017 7  
2016 4  
Prior 12  
Mortgage and other loans receivable, net 35  
Less than 600 | Residential mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 0  
2019 0  
2018 1  
2017 2  
2016 2  
Prior 9  
Mortgage and other loans receivable, net $ 14  
[1] See Note 10 for details of balances associated with variable interest entities.