Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Allowance by Portfolio Segment (Details)

v3.20.1
Outstanding Loans and Leases - Allowance by Portfolio Segment (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period   $ 9,601
Loans and leases charged off $ (1,438) (1,337)
Recoveries of loans and leases previously charged off 316 346
Net charge-offs (1,122) (991)
Provision for loan and lease losses 4,525 1,008
Other 5 (41)
Reserve for unfunded lending commitments, end of the period 15,766 9,577
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, January 1 1,360 802
Provision for unfunded lending commitments 236 5
Other 1  
Reserve for unfunded lending commitments, March 31   797
Allowance for credit losses 17,126 10,379
Consumer real estate    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period   928
Loans and leases charged off (35) (103)
Recoveries of loans and leases previously charged off 47 108
Net charge-offs 12 5
Provision for loan and lease losses 351 (70)
Other 5 (41)
Reserve for unfunded lending commitments, end of the period 808 822
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, January 1 149 0
Provision for unfunded lending commitments 30 0
Other 0  
Reserve for unfunded lending commitments, March 31   0
Allowance for credit losses 957 822
Credit card and other consumer    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period   3,874
Loans and leases charged off (1,121) (1,057)
Recoveries of loans and leases previously charged off 237 217
Net charge-offs (884) (840)
Provision for loan and lease losses 1,712 900
Other 0 0
Reserve for unfunded lending commitments, end of the period 8,258 3,934
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, January 1 0 0
Provision for unfunded lending commitments 0 0
Other 0  
Reserve for unfunded lending commitments, March 31   0
Allowance for credit losses 8,258 3,934
Commercial    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period   4,799
Loans and leases charged off (282) (177)
Recoveries of loans and leases previously charged off 32 21
Net charge-offs (250) (156)
Provision for loan and lease losses 2,462 178
Other 0 0
Reserve for unfunded lending commitments, end of the period 6,700 4,821
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, January 1 1,211 802
Provision for unfunded lending commitments 206 5
Other 1  
Reserve for unfunded lending commitments, March 31   797
Allowance for credit losses 7,911 $ 5,623
Cumulative Effect, Period of Adoption, Adjusted Balance    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 12,358  
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, March 31 1,123  
Cumulative Effect, Period of Adoption, Adjusted Balance | Consumer real estate    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 440  
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, March 31 119  
Cumulative Effect, Period of Adoption, Adjusted Balance | Credit card and other consumer    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 7,430  
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, March 31 0  
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 4,488  
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]    
Reserve for unfunded lending commitments, March 31 $ 1,004