v3.26.1
Loans, Leases and Allowance for Credit Losses - Credit Quality Indicators (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year $ 2,234.0   $ 9,917.0
Year before current fiscal year 9,488.0   5,768.0
Two years before current fiscal year 5,355.0   3,462.0
Three years before current fiscal year 3,143.0   7,350.0
Four years before current fiscal year 6,896.0   8,403.0
Five or more years before current fiscal year 12,059.0   4,123.0
Revolving Loans Amortized Cost Basis 19,984.0   19,646.0
Cumulative fair value hedging adjustment (17.0)   8.0
Loans HFI, net of deferred fees and costs 59,142.0   58,677.0
Current fiscal year, writeoff 0.0 $ 0.0  
Year before current fiscal year, writeoff 1.0 6.5  
Two years before current fiscal year, writeoff 30.2 11.4  
Three years before current fiscal year, writeoff 15.0 9.1  
Four years before current fiscal year, writeoff 12.6 0.1  
Five years before current fiscal year, writeoff 6.2 0.3  
Revolving Loans Amortized Cost Basis, Writeoff 144.1 0.1  
Charge-offs 209.1 27.5  
Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 2,132.0   9,791.0
Year before current fiscal year 9,445.0   5,526.0
Two years before current fiscal year 5,131.0   3,181.0
Three years before current fiscal year 2,771.0   6,898.0
Four years before current fiscal year 6,493.0   8,345.0
Five or more years before current fiscal year 11,994.0   4,094.0
Revolving Loans Amortized Cost Basis 19,843.0   19,559.0
Loans HFI, net of deferred fees and costs 57,809.0   57,394.0
Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 10.0   20.0
Year before current fiscal year 17.0   108.0
Two years before current fiscal year 105.0   75.0
Three years before current fiscal year 122.0   41.0
Four years before current fiscal year 46.0   1.0
Five or more years before current fiscal year 17.0   11.0
Revolving Loans Amortized Cost Basis 86.0   69.0
Loans HFI, net of deferred fees and costs 403.0   325.0
Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 92.0   106.0
Year before current fiscal year 26.0   134.0
Two years before current fiscal year 119.0   206.0
Three years before current fiscal year 250.0   411.0
Four years before current fiscal year 357.0   57.0
Five or more years before current fiscal year 48.0   18.0
Revolving Loans Amortized Cost Basis 55.0   18.0
Loans HFI, net of deferred fees and costs 947.0   950.0
Mortgage finance      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   11.0
Year before current fiscal year 11.0   0.0
Two years before current fiscal year 0.0   439.0
Three years before current fiscal year 453.0   281.0
Four years before current fiscal year 338.0   0.0
Five or more years before current fiscal year 227.0   247.0
Revolving Loans Amortized Cost Basis 6,076.0   6,293.0
Loans HFI, net of deferred fees and costs 7,105.0   7,271.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
Mortgage finance | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   11.0
Year before current fiscal year 11.0   0.0
Two years before current fiscal year 0.0   439.0
Three years before current fiscal year 453.0   281.0
Four years before current fiscal year 338.0   0.0
Five or more years before current fiscal year 227.0   247.0
Revolving Loans Amortized Cost Basis 6,076.0   6,293.0
Loans HFI, net of deferred fees and costs 7,105.0   7,271.0
Mortgage finance | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 0.0   0.0
Mortgage finance | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 0.0   0.0
Municipal & nonprofit      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 40.0   168.0
Year before current fiscal year 203.0   221.0
Two years before current fiscal year 235.0   97.0
Three years before current fiscal year 62.0   104.0
Four years before current fiscal year 104.0   136.0
Five or more years before current fiscal year 1,039.0   922.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 1,683.0   1,648.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
Municipal & nonprofit | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 40.0   168.0
Year before current fiscal year 203.0   221.0
Two years before current fiscal year 235.0   97.0
Three years before current fiscal year 62.0   104.0
Four years before current fiscal year 104.0   136.0
Five or more years before current fiscal year 1,024.0   915.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 1,668.0   1,641.0
Municipal & nonprofit | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 11.0   3.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 11.0   3.0
Municipal & nonprofit | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 4.0   4.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 4.0   4.0
Tech & innovation      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 410.0   1,523.0
Year before current fiscal year 1,445.0   1,008.0
Two years before current fiscal year 894.0   221.0
Three years before current fiscal year 212.0   164.0
Four years before current fiscal year 106.0   31.0
Five or more years before current fiscal year 73.0   45.0
Revolving Loans Amortized Cost Basis 1,140.0   1,136.0
Loans HFI, net of deferred fees and costs 4,280.0   4,128.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 1.0 6.5  
Two years before current fiscal year, writeoff 3.5 0.0  
Three years before current fiscal year, writeoff 0.0 5.5  
Four years before current fiscal year, writeoff 0.0 0.1  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 16.3 0.0  
Charge-offs 20.8 12.1  
Tech & innovation | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 410.0   1,513.0
Year before current fiscal year 1,436.0   918.0
Two years before current fiscal year 853.0   176.0
Three years before current fiscal year 164.0   136.0
Four years before current fiscal year 77.0   31.0
Five or more years before current fiscal year 73.0   45.0
Revolving Loans Amortized Cost Basis 1,094.0   1,115.0
Loans HFI, net of deferred fees and costs 4,107.0   3,934.0
Tech & innovation | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   6.0
Year before current fiscal year 6.0   72.0
Two years before current fiscal year 23.0   45.0
Three years before current fiscal year 48.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 14.0   19.0
Loans HFI, net of deferred fees and costs 91.0   142.0
Tech & innovation | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   4.0
Year before current fiscal year 3.0   18.0
Two years before current fiscal year 18.0   0.0
Three years before current fiscal year 0.0   28.0
Four years before current fiscal year 29.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 32.0   2.0
Loans HFI, net of deferred fees and costs 82.0   52.0
Equity fund resources      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 5.0   156.0
Year before current fiscal year 163.0   5.0
Two years before current fiscal year 2.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   1.0
Five or more years before current fiscal year 1.0   2.0
Revolving Loans Amortized Cost Basis 1,090.0   1,069.0
Loans HFI, net of deferred fees and costs 1,261.0   1,233.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
Equity fund resources | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 5.0   156.0
Year before current fiscal year 163.0   4.0
Two years before current fiscal year 1.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   1.0
Five or more years before current fiscal year 1.0   2.0
Revolving Loans Amortized Cost Basis 1,090.0   1,069.0
Loans HFI, net of deferred fees and costs 1,260.0   1,232.0
Equity fund resources | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 0.0   0.0
Equity fund resources | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   1.0
Two years before current fiscal year 1.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 1.0   1.0
Other commercial and industrial      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 579.0   2,628.0
Year before current fiscal year 2,228.0   1,381.0
Two years before current fiscal year 1,264.0   418.0
Three years before current fiscal year 307.0   320.0
Four years before current fiscal year 271.0   156.0
Five or more years before current fiscal year 206.0   189.0
Revolving Loans Amortized Cost Basis 9,277.0   8,697.0
Loans HFI, net of deferred fees and costs 14,132.0   13,789.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 26.7 0.5  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 5.6 0.3  
Revolving Loans Amortized Cost Basis, Writeoff 127.7 0.1  
Charge-offs 160.0 0.9  
Other commercial and industrial | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 500.0   2,540.0
Year before current fiscal year 2,221.0   1,274.0
Two years before current fiscal year 1,118.0   355.0
Three years before current fiscal year 244.0   263.0
Four years before current fiscal year 233.0   150.0
Five or more years before current fiscal year 202.0   184.0
Revolving Loans Amortized Cost Basis 9,213.0   8,631.0
Loans HFI, net of deferred fees and costs 13,731.0   13,397.0
Other commercial and industrial | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 1.0   0.0
Two years before current fiscal year 68.0   5.0
Three years before current fiscal year 4.0   27.0
Four years before current fiscal year 29.0   0.0
Five or more years before current fiscal year 0.0   1.0
Revolving Loans Amortized Cost Basis 41.0   50.0
Loans HFI, net of deferred fees and costs 143.0   83.0
Other commercial and industrial | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 79.0   88.0
Year before current fiscal year 6.0   107.0
Two years before current fiscal year 78.0   58.0
Three years before current fiscal year 59.0   30.0
Four years before current fiscal year 9.0   6.0
Five or more years before current fiscal year 4.0   4.0
Revolving Loans Amortized Cost Basis 23.0   16.0
Loans HFI, net of deferred fees and costs 258.0   309.0
CRE - owner occupied      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 90.0   318.0
Year before current fiscal year 313.0   163.0
Two years before current fiscal year 158.0   144.0
Three years before current fiscal year 142.0   303.0
Four years before current fiscal year 289.0   228.0
Five or more years before current fiscal year 533.0   337.0
Revolving Loans Amortized Cost Basis 38.0   40.0
Loans HFI, net of deferred fees and costs 1,563.0   1,533.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
CRE - owner occupied | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 90.0   318.0
Year before current fiscal year 312.0   162.0
Two years before current fiscal year 157.0   144.0
Three years before current fiscal year 142.0   292.0
Four years before current fiscal year 274.0   210.0
Five or more years before current fiscal year 509.0   330.0
Revolving Loans Amortized Cost Basis 38.0   40.0
Loans HFI, net of deferred fees and costs 1,522.0   1,496.0
CRE - owner occupied | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 1.0   1.0
Two years before current fiscal year 1.0   0.0
Three years before current fiscal year 0.0   4.0
Four years before current fiscal year 8.0   0.0
Five or more years before current fiscal year 2.0   3.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 12.0   8.0
CRE - owner occupied | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   7.0
Four years before current fiscal year 7.0   18.0
Five or more years before current fiscal year 22.0   4.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 29.0   29.0
Hotel franchise finance      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 334.0   1,442.0
Year before current fiscal year 1,463.0   844.0
Two years before current fiscal year 825.0   463.0
Three years before current fiscal year 434.0   861.0
Four years before current fiscal year 774.0   186.0
Five or more years before current fiscal year 372.0   260.0
Revolving Loans Amortized Cost Basis 129.0   129.0
Loans HFI, net of deferred fees and costs 4,331.0   4,185.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
Hotel franchise finance | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 334.0   1,442.0
Year before current fiscal year 1,463.0   844.0
Two years before current fiscal year 825.0   463.0
Three years before current fiscal year 434.0   816.0
Four years before current fiscal year 730.0   186.0
Five or more years before current fiscal year 372.0   260.0
Revolving Loans Amortized Cost Basis 98.0   129.0
Loans HFI, net of deferred fees and costs 4,256.0   4,140.0
Hotel franchise finance | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 31.0   0.0
Loans HFI, net of deferred fees and costs 31.0   0.0
Hotel franchise finance | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   45.0
Four years before current fiscal year 44.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 44.0   45.0
Other CRE - non-owner occupied      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 260.0   1,277.0
Year before current fiscal year 1,392.0   950.0
Two years before current fiscal year 768.0   1,186.0
Three years before current fiscal year 1,081.0   1,843.0
Four years before current fiscal year 1,731.0   431.0
Five or more years before current fiscal year 714.0   362.0
Revolving Loans Amortized Cost Basis 388.0   406.0
Loans HFI, net of deferred fees and costs 6,334.0   6,455.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 10.9  
Three years before current fiscal year, writeoff 15.0 3.6  
Four years before current fiscal year, writeoff 12.6 0.0  
Five years before current fiscal year, writeoff 0.1 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 27.7 14.5  
Other CRE - non-owner occupied | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 247.0   1,261.0
Year before current fiscal year 1,376.0   908.0
Two years before current fiscal year 748.0   1,050.0
Three years before current fiscal year 858.0   1,643.0
Four years before current fiscal year 1,543.0   406.0
Five or more years before current fiscal year 711.0   361.0
Revolving Loans Amortized Cost Basis 388.0   406.0
Loans HFI, net of deferred fees and costs 5,871.0   6,035.0
Other CRE - non-owner occupied | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   4.0
Year before current fiscal year 0.0   35.0
Two years before current fiscal year 13.0   25.0
Three years before current fiscal year 70.0   0.0
Four years before current fiscal year 0.0   1.0
Five or more years before current fiscal year 3.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 86.0   65.0
Other CRE - non-owner occupied | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 13.0   12.0
Year before current fiscal year 16.0   7.0
Two years before current fiscal year 7.0   111.0
Three years before current fiscal year 153.0   200.0
Four years before current fiscal year 188.0   24.0
Five or more years before current fiscal year 0.0   1.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 377.0   355.0
Residential      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 384.0   1,285.0
Year before current fiscal year 1,267.0   615.0
Two years before current fiscal year 578.0   190.0
Three years before current fiscal year 180.0   3,143.0
Four years before current fiscal year 3,076.0   7,042.0
Five or more years before current fiscal year 8,046.0   1,087.0
Revolving Loans Amortized Cost Basis 33.0   33.0
Cumulative fair value hedging adjustment (17.0)   8.0
Loans HFI, net of deferred fees and costs 13,547.0   13,403.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
Residential | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 384.0   1,283.0
Year before current fiscal year 1,266.0   614.0
Two years before current fiscal year 577.0   185.0
Three years before current fiscal year 174.0   3,119.0
Four years before current fiscal year 3,049.0   7,033.0
Five or more years before current fiscal year 8,032.0   1,084.0
Revolving Loans Amortized Cost Basis 33.0   33.0
Loans HFI, net of deferred fees and costs 13,515.0   13,351.0
Residential | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   1.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 0.0   1.0
Residential | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   2.0
Year before current fiscal year 1.0   1.0
Two years before current fiscal year 1.0   5.0
Three years before current fiscal year 6.0   24.0
Four years before current fiscal year 27.0   9.0
Five or more years before current fiscal year 14.0   2.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 49.0   43.0
Residential EBO      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   1.0
Year before current fiscal year 0.0   36.0
Two years before current fiscal year 29.0   20.0
Three years before current fiscal year 16.0   13.0
Four years before current fiscal year 11.0   164.0
Five or more years before current fiscal year 736.0   594.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 792.0   828.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
Residential EBO | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   1.0
Year before current fiscal year 0.0   36.0
Two years before current fiscal year 29.0   20.0
Three years before current fiscal year 16.0   13.0
Four years before current fiscal year 11.0   164.0
Five or more years before current fiscal year 736.0   594.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 792.0   828.0
Residential EBO | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 0.0   0.0
Residential EBO | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 0.0   0.0
Construction and land development      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 130.0   1,069.0
Year before current fiscal year 973.0   542.0
Two years before current fiscal year 600.0   271.0
Three years before current fiscal year 253.0   317.0
Four years before current fiscal year 195.0   27.0
Five or more years before current fiscal year 25.0   0.0
Revolving Loans Amortized Cost Basis 1,785.0   1,817.0
Loans HFI, net of deferred fees and costs 3,961.0   4,043.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.0 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.0 0.0  
Charge-offs 0.0 0.0  
Construction and land development | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 120.0   1,059.0
Year before current fiscal year 964.0   542.0
Two years before current fiscal year 586.0   239.0
Three years before current fiscal year 221.0   230.0
Four years before current fiscal year 133.0   27.0
Five or more years before current fiscal year 25.0   0.0
Revolving Loans Amortized Cost Basis 1,785.0   1,817.0
Loans HFI, net of deferred fees and costs 3,834.0   3,914.0
Construction and land development | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 10.0   10.0
Year before current fiscal year 9.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   10.0
Four years before current fiscal year 9.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 28.0   20.0
Construction and land development | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 14.0   32.0
Three years before current fiscal year 32.0   77.0
Four years before current fiscal year 53.0   0.0
Five or more years before current fiscal year 0.0   0.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 99.0   109.0
Other      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 2.0   39.0
Year before current fiscal year 30.0   3.0
Two years before current fiscal year 2.0   13.0
Three years before current fiscal year 3.0   1.0
Four years before current fiscal year 1.0   1.0
Five or more years before current fiscal year 87.0   78.0
Revolving Loans Amortized Cost Basis 28.0   26.0
Loans HFI, net of deferred fees and costs 153.0   161.0
Current fiscal year, writeoff 0.0 0.0  
Year before current fiscal year, writeoff 0.0 0.0  
Two years before current fiscal year, writeoff 0.0 0.0  
Three years before current fiscal year, writeoff 0.0 0.0  
Four years before current fiscal year, writeoff 0.0 0.0  
Five years before current fiscal year, writeoff 0.5 0.0  
Revolving Loans Amortized Cost Basis, Writeoff 0.1 0.0  
Charge-offs 0.6 $ 0.0  
Other | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 2.0   39.0
Year before current fiscal year 30.0   3.0
Two years before current fiscal year 2.0   13.0
Three years before current fiscal year 3.0   1.0
Four years before current fiscal year 1.0   1.0
Five or more years before current fiscal year 82.0   72.0
Revolving Loans Amortized Cost Basis 28.0   26.0
Loans HFI, net of deferred fees and costs 148.0   155.0
Other | Special mention      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 1.0   3.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs 1.0   3.0
Other | Classified      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Current fiscal year 0.0   0.0
Year before current fiscal year 0.0   0.0
Two years before current fiscal year 0.0   0.0
Three years before current fiscal year 0.0   0.0
Four years before current fiscal year 0.0   0.0
Five or more years before current fiscal year 4.0   3.0
Revolving Loans Amortized Cost Basis 0.0   0.0
Loans HFI, net of deferred fees and costs $ 4.0   $ 3.0