Summarizes the Bancorp's Recorded Investment in Impaired Loans and Related Allowance by Class (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	$ 2,729		$ 2,162
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	891		1,006
Unpaid Principal Balance	3,620		3,168
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	2,539		1,967
Impaired Financing Receivable With No Related Allowance Recorded Investment	814		856
Recorded Investment	3,353		2,823
Allowance	367	[1]	295	[2]
Commercial Portfolio Segment | Commercial and Industrial Loans
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	870		263
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	181		207
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	759		194
Impaired Financing Receivable With No Related Allowance Recorded Investment	177		169
Allowance	145		65
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	85	[3]	54
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	106		107
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	74	[3]	43
Impaired Financing Receivable With No Related Allowance Recorded Investment	98		99
Allowance	11	[3]	5
Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	154		215
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	154		209
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	134		160
Impaired Financing Receivable With No Related Allowance Recorded Investment	147		199
Allowance	14		16
Commercial Portfolio Segment | Commercial Construction
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	68		48
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	77		109
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	54		37
Impaired Financing Receivable With No Related Allowance Recorded Investment	63		67
Allowance	5		5
Commercial Portfolio Segment | Commercial Leases
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	12		8
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	14		5
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	12		8
Impaired Financing Receivable With No Related Allowance Recorded Investment	14		5
Allowance			5
Residential Mortgage Loans
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	1,081		1,067
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	313		326
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	1,052		1,023
Impaired Financing Receivable With No Related Allowance Recorded Investment	273		275
Allowance	139		137
Consumer Portfolio Segment | Home Equity
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	377		400
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	43		40
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	373		396
Impaired Financing Receivable With No Related Allowance Recorded Investment	39		39
Allowance	39		46
Consumer Portfolio Segment | Automobile Loans
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	23		31
Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance	3		3
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	23		30
Impaired Financing Receivable With No Related Allowance Recorded Investment	3		3
Allowance	3		4
Consumer Portfolio Segment | Credit Card
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance	59		74
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment	58		74
Allowance	11		12
Consumer Portfolio Segment | Consumer Other Financing Receivable
Impaired Financing Receivable Unpaid Principal Balance
Impaired Financing Receivable With Related Allowance Unpaid Principal Balance			2
Impaired Financing Receivable Recorded Investment Abstract
Impaired Financing Receivable With Related Allowance Recorded Investment			2
Allowance			$ 0

[1] Includes $869, $1,241 and $444, respectively, of commercial, residential mortgage and consumer TDRs on accrual status; $228, $84 and $52, respectively, of commercial, residential mortgage and consumer TDRs on nonaccrual status.

[2] Includes $431, $1,175 and $480, respectively, of commercial, residential mortgage and consumer TDRs on accrual status; $177, $123 and $64, respectively, of commercial, residential mortgage and consumer TDRs on nonaccrual status.

[3] Excludes five restructured nonaccrual loans at December 31, 2013 associated with a consolidated variable interest entity, 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 $11.