XML 24 R55.htm IDEA: XBRL DOCUMENT v2.4.0.6
Asset Quality - Breakdown of Nonperforming TDRs by Loans Category (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
SecurityLoan
Dec. 31, 2012
SecurityLoan
Mar. 31, 2012
SecurityLoan
Financing Receivable, Modifications [Line Items]      
Number of loans 4,104 3,657 983
Pre-modification Outstanding Recorded Investment $ 421 $ 434 $ 428
Post-modification Outstanding Recorded Investment 294 320 293
Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 2,883 3,094 284
Pre-modification Outstanding Recorded Investment 297 350 279
Post-modification Outstanding Recorded Investment 178 249 184
Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,221 563 699
Pre-modification Outstanding Recorded Investment 124 84 149
Post-modification Outstanding Recorded Investment 116 71 109
Commercial, financial and agricultural [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 48 82 102
Pre-modification Outstanding Recorded Investment 58 76 105
Post-modification Outstanding Recorded Investment 25 39 64
Commercial, financial and agricultural [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 106 122 176
Pre-modification Outstanding Recorded Investment 11 12 20
Post-modification Outstanding Recorded Investment 5 6 11
Commercial real estate: Commercial mortgage [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 17 15 16
Pre-modification Outstanding Recorded Investment 61 62 102
Post-modification Outstanding Recorded Investment 23 25 64
Commercial real estate: Commercial mortgage [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 4 4 7
Pre-modification Outstanding Recorded Investment 22 22 75
Post-modification Outstanding Recorded Investment 15 15 57
Commercial real estate: Construction [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 6 8 8
Pre-modification Outstanding Recorded Investment 30 53 35
Post-modification Outstanding Recorded Investment 4 33 19
Commercial real estate: Construction [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1   1
Pre-modification Outstanding Recorded Investment 23   15
Post-modification Outstanding Recorded Investment 29   2
Commercial real estate loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 23 23 24
Pre-modification Outstanding Recorded Investment 91 115 137
Post-modification Outstanding Recorded Investment 27 58 83
Commercial real estate loans [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 5 4 8
Pre-modification Outstanding Recorded Investment 45 22 90
Post-modification Outstanding Recorded Investment 44 15 59
Commercial loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 71 105 126
Pre-modification Outstanding Recorded Investment 149 191 242
Post-modification Outstanding Recorded Investment 52 97 147
Commercial loans [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 111 126 184
Pre-modification Outstanding Recorded Investment 56 34 110
Post-modification Outstanding Recorded Investment 49 21 70
Real estate - residential mortgage [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 347 372 43
Pre-modification Outstanding Recorded Investment 21 28 5
Post-modification Outstanding Recorded Investment 21 28 5
Real estate - residential mortgage [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 121 101 113
Pre-modification Outstanding Recorded Investment 12 10 12
Post-modification Outstanding Recorded Investment 12 10 12
Home equity: Key Community Bank [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,479 1,577 27
Pre-modification Outstanding Recorded Investment 75 87 3
Post-modification Outstanding Recorded Investment 74 82 3
Home equity: Key Community Bank [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 147 76 88
Pre-modification Outstanding Recorded Investment 15 5 7
Post-modification Outstanding Recorded Investment 15 5 7
Home equity: Other [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 229 322 32
Pre-modification Outstanding Recorded Investment 6 9 1
Post-modification Outstanding Recorded Investment 6 8 1
Home equity: Other [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 190 84 104
Pre-modification Outstanding Recorded Investment 6 3 3
Post-modification Outstanding Recorded Investment 5 3 3
Home equity loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,708 1,899 59
Pre-modification Outstanding Recorded Investment 81 96 4
Post-modification Outstanding Recorded Investment 80 90 4
Home equity loans [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 337 160 192
Pre-modification Outstanding Recorded Investment 21 8 10
Post-modification Outstanding Recorded Investment 20 8 10
Consumer other - Key Community Bank [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 59 28 2
Pre-modification Outstanding Recorded Investment 2 1  
Post-modification Outstanding Recorded Investment 2 1  
Consumer other - Key Community Bank [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 24 16 19
Pre-modification Outstanding Recorded Investment 1    
Post-modification Outstanding Recorded Investment 1    
Credit cards [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 360 405  
Pre-modification Outstanding Recorded Investment 2 3  
Post-modification Outstanding Recorded Investment 2 3  
Credit cards [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 308    
Pre-modification Outstanding Recorded Investment 2    
Post-modification Outstanding Recorded Investment 2    
Consumer Marine [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 302 251 48
Pre-modification Outstanding Recorded Investment 41 30 28
Post-modification Outstanding Recorded Investment 20 29 28
Consumer Marine [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 263 117 140
Pre-modification Outstanding Recorded Investment 30 31 15
Post-modification Outstanding Recorded Investment 30 31 15
Other Consumer [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 36 34 6
Pre-modification Outstanding Recorded Investment 1 1  
Post-modification Outstanding Recorded Investment 1 1  
Other Consumer [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 57 43 51
Pre-modification Outstanding Recorded Investment 2 1 2
Post-modification Outstanding Recorded Investment 2 1 2
Consumer Other [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 338 285 54
Pre-modification Outstanding Recorded Investment 42 31 28
Post-modification Outstanding Recorded Investment 21 30 28
Consumer Other [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 320 160 191
Pre-modification Outstanding Recorded Investment 32 32 17
Post-modification Outstanding Recorded Investment 32 32 17
Consumer loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 2,812 2,989 158
Pre-modification Outstanding Recorded Investment 148 159 37
Post-modification Outstanding Recorded Investment 126 152 37
Consumer loans [Member] | Prior-year accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,110 437 515
Pre-modification Outstanding Recorded Investment 68 50 39
Post-modification Outstanding Recorded Investment $ 67 $ 50 $ 39