Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Nonrecurring Fair Value (Details)

v3.21.2
Fair Value Measurements - Nonrecurring Fair Value (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis          
Loans held-for-sale $ 3,982   $ 3,982   $ 1,585
Loans and leases 7,566   7,566   6,681
Other assets 11,031   11,031   15,718
Nonrecurring          
Gains (Losses)          
Loans held-for-sale (2) $ (14) 4 $ (121)  
Loans and leases (16) (19) (47) (59)  
Foreclosed properties (3) (7) (4) (11)  
Other assets (35) (32) (494) (58)  
Loss on loans and leases written down to zero 7 9 18 26  
Nonrecurring | Government Guaranteed Mortgage Loans upon Foreclosure Receivable          
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis          
Foreclosed properties 55 131 55 131  
Nonrecurring | Level 2          
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis          
Loans held-for-sale 124 630 124 630  
Loans and leases 0 0 0 0  
Foreclosed properties 0 0 0 0  
Other assets 354 209 354 209  
Nonrecurring | Level 3          
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis          
Loans held-for-sale 20 903 20 903 792
Loans and leases 182 226 182 226 301
Foreclosed properties 17 27 17 27  
Other assets $ 2,101 $ 576 $ 2,101 $ 576 $ 576