Quarterly report pursuant to Section 13 or 15(d)

Allowance for Credit Losses - Allowance by Portfolio Segment (Details)

v3.19.1
Allowance for Credit Losses - Allowance by Portfolio Segment (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan and lease losses, beginning of the period $ 9,601 $ 10,393
Loans and leases charged off (1,337) (1,296)
Recoveries of loans and leases previously charged off 346 385
Net charge-offs (991) (911)
Provision (benefit) for loan and lease losses 1,008 829
Other (41) (51)
Allowance for loan and lease losses, end of the period 9,577 10,260
Provision for unfunded lending commitments 1,013 834
Reserve for unfunded lending commitments, end of the period 10,379 11,042
Allowance for credit losses 10,379 11,042
Unfunded loan commitments    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 797 777
Provision for unfunded lending commitments 5 5
Reserve for unfunded lending commitments, end of the period 802 782
Allowance for credit losses 797 777
Consumer Real Estate    
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan and lease losses, beginning of the period 928 1,720
Loans and leases charged off (103) (174)
Recoveries of loans and leases previously charged off 108 147
Net charge-offs 5 (27)
Provision (benefit) for loan and lease losses (70) (128)
Other (41) (35)
Allowance for loan and lease losses, end of the period 822 1,530
Reserve for unfunded lending commitments, end of the period 822 1,530
Allowance for credit losses 822 1,530
Consumer Real Estate | Unfunded loan commitments    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 0 0
Provision for unfunded lending commitments 0 0
Reserve for unfunded lending commitments, end of the period 0 0
Allowance for credit losses 0 0
Credit card and other consumer    
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan and lease losses, beginning of the period 3,874 3,663
Loans and leases charged off (1,057) (1,006)
Recoveries of loans and leases previously charged off 217 203
Net charge-offs (840) (803)
Provision (benefit) for loan and lease losses 900 876
Other 0 (16)
Allowance for loan and lease losses, end of the period 3,934 3,720
Reserve for unfunded lending commitments, end of the period 3,934 3,720
Allowance for credit losses 3,934 3,720
Credit card and other consumer | Unfunded loan commitments    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 0 0
Provision for unfunded lending commitments 0 0
Reserve for unfunded lending commitments, end of the period 0 0
Allowance for credit losses 0 0
Commercial    
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan and lease losses, beginning of the period 4,799 5,010
Loans and leases charged off (177) (116)
Recoveries of loans and leases previously charged off 21 35
Net charge-offs (156) (81)
Provision (benefit) for loan and lease losses 178 81
Other 0 0
Allowance for loan and lease losses, end of the period 4,821 5,010
Reserve for unfunded lending commitments, end of the period 5,623 5,792
Allowance for credit losses 5,623 5,792
Commercial | Unfunded loan commitments    
Allowance for Loan and Lease Losses [Roll Forward]    
Reserve for unfunded lending commitments, beginning of the period 797 777
Provision for unfunded lending commitments 5 5
Reserve for unfunded lending commitments, end of the period 802 782
Allowance for credit losses $ 797 $ 777