XML 82 R70.htm IDEA: XBRL DOCUMENT v3.19.2
LHFI Considered Impaired (Additional Information) (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
[2]
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Financing Receivable, Impaired [Line Items]          
Loans and Leases Receivable, Gross $ 156,589   $ 156,589   $ 151,839
Transfer of Loans Held-for-sale to Portfolio Loans     12 $ 18  
Financing Receivable, Modifications, Post-Modification Recorded Investment 32 [1] $ 102 67 [3] 206 [4]  
Accrual Loans [Member]          
Financing Receivable, Impaired [Line Items]          
Financing Receivable, Modifications, Recorded Investment $ 1,800   $ 1,800   $ 2,300
Percentage Of Accruing Troubled Debt Restructurings, Current 97.00%   97.00%   97.00%
Commercial Portfolio Segment [Member]          
Financing Receivable, Impaired [Line Items]          
Loans and Leases Receivable, Gross $ 83,991   $ 83,991   $ 80,940
Consumer Other Direct [Member]          
Financing Receivable, Impaired [Line Items]          
Loans and Leases Receivable, Gross 11,817   11,817   $ 10,615
Financing Receivable, Modifications, Post-Modification Recorded Investment $ 5 [1] $ 3 $ 7 [3] $ 5 [4]  
[1] Includes loans modified under the terms of a TDR that were charged-off during the period.
[2] Includes loans modified under the terms of a TDR that were charged-off during the period.
[3] Includes loans modified under the terms of a TDR that were charged-off during the period.
[4] Includes loans modified under the terms of a TDR that were charged-off during the period.