XML 36 R56.htm IDEA: XBRL DOCUMENT v2.4.0.8
Asset Quality - Breakdown of Nonperforming TDRs by Loans Category (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2013
SecurityLoan
Dec. 31, 2012
SecurityLoan
Sep. 30, 2012
SecurityLoan
Financing Receivable, Modifications [Line Items]      
Number of loans 4,692 3,657 3,830
Pre-modification Outstanding Recorded Investment $ 457 $ 434 $ 506
Post-modification Outstanding Recorded Investment 349 320 323
Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 3,495 3,094 3,184
Pre-modification Outstanding Recorded Investment 335 350 351
Post-modification Outstanding Recorded Investment 228 249 217
Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,197 563 646
Pre-modification Outstanding Recorded Investment 122 84 155
Post-modification Outstanding Recorded Investment 121 71 106
Commercial, Financial and Agricultural [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 39 82 91
Pre-modification Outstanding Recorded Investment 96 76 107
Post-modification Outstanding Recorded Investment 63 39 54
Commercial, Financial and Agricultural [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 68 122 152
Pre-modification Outstanding Recorded Investment 9 12 15
Post-modification Outstanding Recorded Investment 4 6 7
Commercial Real Estate: Commercial Mortgage [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 14 15 18
Pre-modification Outstanding Recorded Investment 51 62 47
Post-modification Outstanding Recorded Investment 17 25 29
Commercial Real Estate: Commercial Mortgage [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 3 4 7
Pre-modification Outstanding Recorded Investment 17 22 71
Post-modification Outstanding Recorded Investment 12 15 45
Commercial Real Estate: Construction [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 6 8 8
Pre-modification Outstanding Recorded Investment 19 53 53
Post-modification Outstanding Recorded Investment 4 33 30
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 35    
Commercial Real Estate Loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 20 23 26
Pre-modification Outstanding Recorded Investment 70 115 100
Post-modification Outstanding Recorded Investment 21 58 59
Commercial Real Estate Loans [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 4 4 8
Pre-modification Outstanding Recorded Investment 40 22 86
Post-modification Outstanding Recorded Investment 47 15 45
Commercial Loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 59 105 117
Pre-modification Outstanding Recorded Investment 166 191 207
Post-modification Outstanding Recorded Investment 84 97 113
Commercial Loans [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 72 126 160
Pre-modification Outstanding Recorded Investment 49 34 101
Post-modification Outstanding Recorded Investment 51 21 52
Real Estate - Residential Mortgage [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 401 372 70
Pre-modification Outstanding Recorded Investment 24 28 7
Post-modification Outstanding Recorded Investment 24 28 7
Real Estate - Residential Mortgage [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 118 101 108
Pre-modification Outstanding Recorded Investment 13 10 11
Post-modification Outstanding Recorded Investment 13 10 11
Home Equity: Key Community Bank [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,677 1,577 1,804
Pre-modification Outstanding Recorded Investment 89 87 89
Post-modification Outstanding Recorded Investment 85 82 58
Home Equity: Key Community Bank [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 162 76 86
Pre-modification Outstanding Recorded Investment 18 5 6
Post-modification Outstanding Recorded Investment 17 5 6
Home Equity: Other [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 237 322 486
Pre-modification Outstanding Recorded Investment 6 9 11
Post-modification Outstanding Recorded Investment 6 8 7
Home Equity: Other [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 214 84 95
Pre-modification Outstanding Recorded Investment 6 3 3
Post-modification Outstanding Recorded Investment 6 3 3
Home Equity Loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,914 1,899 2,290
Pre-modification Outstanding Recorded Investment 95 96 100
Post-modification Outstanding Recorded Investment 91 90 65
Home Equity Loans [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 376 160 181
Pre-modification Outstanding Recorded Investment 24 8 9
Post-modification Outstanding Recorded Investment 23 8 9
Consumer Other - Key Community Bank [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 40 28 125
Pre-modification Outstanding Recorded Investment 2 1 2
Post-modification Outstanding Recorded Investment 1 1 2
Consumer Other - Key Community Bank [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 32 16 20
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 689 405  
Pre-modification Outstanding Recorded Investment 5 3  
Post-modification Outstanding Recorded Investment 5 3  
Credit Cards [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 267    
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 346 251 491
Pre-modification Outstanding Recorded Investment 42 30 33
Post-modification Outstanding Recorded Investment 22 29 28
Consumer Marine [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 276 117 126
Pre-modification Outstanding Recorded Investment 32 31 32
Post-modification Outstanding Recorded Investment 30 31 32
Other Consumer [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 46 34 91
Pre-modification Outstanding Recorded Investment 1 1 2
Post-modification Outstanding Recorded Investment 1 1 2
Other Consumer [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 56 43 51
Pre-modification Outstanding Recorded Investment 1 1 2
Post-modification Outstanding Recorded Investment 1 1 2
Consumer Other [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 392 285 582
Pre-modification Outstanding Recorded Investment 43 31 35
Post-modification Outstanding Recorded Investment 23 30 30
Consumer Other [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 332 160 177
Pre-modification Outstanding Recorded Investment 33 32 34
Post-modification Outstanding Recorded Investment 31 32 34
Consumer Loans [Member] | Nonperforming [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 3,436 2,989 3,067
Pre-modification Outstanding Recorded Investment 169 159 144
Post-modification Outstanding Recorded Investment 144 152 104
Consumer Loans [Member] | Prior-Year Accruing [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of loans 1,125 437 486
Pre-modification Outstanding Recorded Investment 73 50 54
Post-modification Outstanding Recorded Investment $ 70 $ 50 $ 54