XML 115 R56.htm IDEA: XBRL DOCUMENT
v3.21.1

Asset Quality - Commercial Credit Exposure (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 100,926 | $ 101,185
Accrued interest | 242 | 241
Commercial Loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 3,020 | 16,230
One year prior | 14,673 | 10,657
Two years prior | 10,122 | 7,206
Three years prior | 6,746 | 4,635
Four years prior | 4,227 | 3,237
Prior | 11,022 | 7,295
Revolving Loans Amortized Cost Basis | 21,470 | 22,529
Revolving Loans Converted to Term Loans Amortized Cost Basis | 134 | 191
Total | 71,414 | 71,980
Accrued interest | 143 | 140
Commercial Loans | Commercial and Industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 2,250 | 13,174
One year prior | 11,628 | 5,712
Two years prior | 5,301 | 4,285
Three years prior | 4,009 | 2,881
Four years prior | 2,596 | 2,134
Prior | 5,954 | 2,995
Revolving Loans Amortized Cost Basis | 20,645 | 21,585
Revolving Loans Converted to Term Loans Amortized Cost Basis | 103 | 141
Total | 52,486 | 52,907
Commercial Loans | Commercial and Industrial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 2,246 | 13,100
One year prior | 11,524 | 5,487
Two years prior | 5,062 | 4,040
Three years prior | 3,728 | 2,617
Four years prior | 2,360 | 1,967
Prior | 5,560 | 2,709
Revolving Loans Amortized Cost Basis | 18,992 | 19,832
Revolving Loans Converted to Term Loans Amortized Cost Basis | 81 | 118
Total | 49,553 | 49,870
Commercial Loans | Commercial and Industrial | Criticized (Accruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 4 | 66
One year prior | 96 | 198
Two years prior | 220 | 174
Three years prior | 217 | 236
Four years prior | 223 | 150
Prior | 340 | 279
Revolving Loans Amortized Cost Basis | 1,426 | 1,527
Revolving Loans Converted to Term Loans Amortized Cost Basis | 20 | 22
Total | 2,546 | 2,652
Commercial Loans | Commercial and Industrial | Criticized (Nonaccruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 8
One year prior | 8 | 27
Two years prior | 19 | 71
Three years prior | 64 | 28
Four years prior | 13 | 17
Prior | 54 | 7
Revolving Loans Amortized Cost Basis | 227 | 226
Revolving Loans Converted to Term Loans Amortized Cost Basis | 2 | 1
Total | 387 | 385
Commercial Loans | Commercial mortgage |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 602 | 1,603
One year prior | 1,617 | 3,080
Two years prior | 3,041 | 1,822
Three years prior | 1,706 | 1,016
Four years prior | 982 | 839
Prior | 3,930 | 3,370
Revolving Loans Amortized Cost Basis | 793 | 912
Revolving Loans Converted to Term Loans Amortized Cost Basis | 31 | 45
Total | 12,702 | 12,687
Commercial Loans | Commercial mortgage | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 602 | 1,591
One year prior | 1,603 | 2,937
Two years prior | 2,916 | 1,737
Three years prior | 1,599 | 867
Four years prior | 819 | 765
Prior | 3,589 | 3,027
Revolving Loans Amortized Cost Basis | 695 | 885
Revolving Loans Converted to Term Loans Amortized Cost Basis | 29 | 43
Total | 11,852 | 11,852
Commercial Loans | Commercial mortgage | Criticized (Accruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 12
One year prior | 14 | 142
Two years prior | 123 | 81
Three years prior | 103 | 145
Four years prior | 159 | 72
Prior | 290 | 255
Revolving Loans Amortized Cost Basis | 93 | 22
Revolving Loans Converted to Term Loans Amortized Cost Basis | 2 | 2
Total | 784 | 731
Commercial Loans | Commercial mortgage | Criticized (Nonaccruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 0
One year prior | 0 | 1
Two years prior | 2 | 4
Three years prior | 4 | 4
Four years prior | 4 | 2
Prior | 51 | 88
Revolving Loans Amortized Cost Basis | 5 | 5
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 66 | 104
Commercial Loans | Construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 16 | 367
One year prior | 455 | 778
Two years prior | 812 | 548
Three years prior | 552 | 206
Four years prior | 205 | 27
Prior | 50 | 24
Revolving Loans Amortized Cost Basis | 32 | 32
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 5
Total | 2,122 | 1,987
Commercial Loans | Construction | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 16 | 367
One year prior | 451 | 764
Two years prior | 798 | 510
Three years prior | 501 | 188
Four years prior | 187 | 27
Prior | 49 | 22
Revolving Loans Amortized Cost Basis | 31 | 31
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 5
Total | 2,033 | 1,914
Commercial Loans | Construction | Criticized (Accruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 0
One year prior | 4 | 14
Two years prior | 14 | 38
Three years prior | 51 | 18
Four years prior | 18 | 0
Prior | 1 | 2
Revolving Loans Amortized Cost Basis | 1 | 1
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 89 | 73
Commercial Loans | Construction | Criticized (Nonaccruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 0
One year prior | 0 | 0
Two years prior | 0 | 0
Three years prior | 0 | 0
Four years prior | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 0 | 0
Commercial Loans | Commercial lease financing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 152 | 1,086
One year prior | 973 | 1,087
Two years prior | 968 | 551
Three years prior | 479 | 532
Four years prior | 444 | 237
Prior | 1,088 | 906
Revolving Loans Amortized Cost Basis |  | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 4,104 | 4,399
Commercial Loans | Commercial lease financing | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 152 | 1,076
One year prior | 952 | 1,050
Two years prior | 931 | 534
Three years prior | 462 | 504
Four years prior | 416 | 228
Prior | 1,077 | 901
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 3,990 | 4,293
Commercial Loans | Commercial lease financing | Criticized (Accruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 10
One year prior | 21 | 35
Two years prior | 35 | 15
Three years prior | 15 | 26
Four years prior | 26 | 7
Prior | 9 | 4
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 106 | 97
Commercial Loans | Commercial lease financing | Criticized (Nonaccruing) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 0
One year prior | 0 | 2
Two years prior | 2 | 2
Three years prior | 2 | 2
Four years prior | 2 | 2
Prior | 2 | 1
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | $ 8 | $ 9

X
- Definition Financing Receivable, Originated Five Years Before Latest Fiscal Year + References No definition available. + Details
Name: | key_FinancingReceivableOriginatedFiveYearsBeforeLatestFiscalYear
Namespace Prefix: | key_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Originated Six Or More Years Before Latest Fiscal Year + References No definition available. + Details
Name: | key_FinancingReceivableOriginatedSixOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | key_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of accrued interest on financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL120267963-210447 + Details
Name: | us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated four years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated in fiscal year prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated three years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated two years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable that can be withdrawn, repaid and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL120270059-210447 + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=key_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=key_CriticizedAccruingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=key_CriticizedNonaccruingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=key_CommercialRealEstateCommercialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=key_CommercialLeaseFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |