XML 86 R65.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summarizes the Bancorp's Recorded Investment in Impaired Loans and Related Allowance by Class (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance $ 1,563us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance $ 1,430us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 841us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance 1,027us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Unpaid Principal Balance 2,404us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance 2,457us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 1,432us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment 1,288us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Impaired Financing Receivable With No Related Allowance Recorded Investment 765us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment 945us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Recorded Investment 2,197us-gaap_ImpairedFinancingReceivableRecordedInvestment [1] 2,233us-gaap_ImpairedFinancingReceivableRecordedInvestment [2]
Allowance 285us-gaap_ImpairedFinancingReceivableRelatedAllowance 295us-gaap_ImpairedFinancingReceivableRelatedAllowance
Commercial Portfolio Segment | Commercial and Industrial Loans    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 640us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 598us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 246us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 311us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 540us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 486us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Recorded Investment 214us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 276us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Allowance 150us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 149us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialAndIndustrialLoansMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner-occupied    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 48us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 [3] 54us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 [4]
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 73us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 72us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 41us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 [3] 46us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 [4]
Impaired Financing Receivable With No Related Allowance Recorded Investment 68us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 68us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Allowance 7us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 [3] 14us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 [4]
Commercial Portfolio Segment | Commercial Mortgage Loans, Nonowner-Occupied    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 90us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 69us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 174us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 251us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 72us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 57us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Recorded Investment 164us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 231us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Allowance 5us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 4us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialMortgageLoansNonOwnerOccupiedMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Commercial Portfolio Segment | Commercial Construction    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 30us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 18us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 31us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 48us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 30us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 15us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Recorded Investment 31us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 48us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Commercial Portfolio Segment | Commercial Leases    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 3us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 3us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 1us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 2us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 3us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 3us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Recorded Investment 1us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 2us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Allowance 3us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember		 2us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= fitb_CommercialLeasesMember
/ fitb_PortfolioSegmentAxis
= us-gaap_CommercialPortfolioSegmentMember
Residential Mortgage Loans    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 412us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember		 388us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 187us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember		 155us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 407us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember		 383us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Recorded Investment 162us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember		 135us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember
Allowance 64us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember		 65us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ fitb_PortfolioSegmentAxis
= us-gaap_ResidentialPortfolioSegmentMember
Consumer Portfolio Segment | Home Equity    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 249us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 203us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 126us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 183us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 248us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 201us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Recorded Investment 122us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 180us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Allowance 37us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 42us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Consumer Portfolio Segment | Automobile Loans    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 20us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 19us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance 3us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 5us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 20us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 19us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Impaired Financing Receivable With No Related Allowance Recorded Investment 3us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 5us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Allowance 2us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 3us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Consumer Portfolio Segment | Credit Card    
Impaired Financing Receivable Unpaid Principal Balance    
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance 71us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 78us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Impaired Financing Receivable Recorded Investment Abstract    
Impaired Financing Receivable With Related Allowance Recorded Investment 71us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 78us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
Allowance $ 17us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember		 $ 16us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
/ fitb_PortfolioSegmentAxis
= us-gaap_ConsumerPortfolioSegmentMember
[1] Includes $774, $538 and $405, respectively, of commercial, residential mortgage and consumer TDRs on accrual status; $205, $31 and $59, respectively, of commercial, residential mortgage and consumer TDRs on nonaccrual status.
[2] Includes $869, $485 and $420, respectively, of commercial, residential mortgage and consumer TDRs on accrual status; $214, $33 and $63, respectively, of commercial, residential mortgage and consumer TDRs on nonaccrual status. Excludes five restructured loans at December 31, 2014 associated with a consolidated VIE in which the Bancorp has no continuing credit risk due to the risk being assumed by a third party, with an unpaid principal balance of $28, a recorded investment of $28, and an allowance of $10.
[3] Excludes five restructured loans at March 31, 2015 associated with a consolidated VIE in which the Bancorp has no continuing credit risk due to the risk being assumed by a third party, with an unpaid principal balance of $28, a recorded investment of $28, and an allowance of $10.
[4] Excludes five restructured loans at December 31, 2014 associated with a consolidated VIE in which the Bancorp has no continuing credit risk due to the risk being assumed by a third party, with an unpaid principal balance of $28, a recorded investment of $28, and an allowance of $10.