Summary of the Bancorp's Nonperforming Loans and Leases by Class (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013		Mar. 31, 2014 Commercial Portfolio Segment		Dec. 31, 2013 Commercial Portfolio Segment		Mar. 31, 2014 Commercial Portfolio Segment Commercial Mortgage Loans, Owner Occupied	Dec. 31, 2013 Commercial Portfolio Segment Commercial Mortgage Loans, Owner Occupied	Mar. 31, 2014 Commercial Portfolio Segment Commercial Mortgage Loans, Owner Occupied Variable Interest Entity, Primary Beneficiary	Mar. 31, 2013 Commercial Portfolio Segment Commercial Mortgage Loans, Owner Occupied Variable Interest Entity, Primary Beneficiary	Mar. 31, 2014 Government Insured	Dec. 31, 2013 Government Insured	Mar. 31, 2014 Nonperforming Financing Receivable	Dec. 31, 2013 Nonperforming Financing Receivable	Mar. 31, 2014 Nonperforming Financing Receivable Government Insured Commercial Portfolio Segment	Dec. 31, 2013 Nonperforming Financing Receivable Government Insured Commercial Portfolio Segment	Mar. 31, 2014 Nonperforming Financing Receivable Government Insured Commercial Portfolio Segment Small Business Administration	Dec. 31, 2013 Nonperforming Financing Receivable Government Insured Commercial Portfolio Segment Small Business Administration
Financing Receivable, Modifications
Loans held for sale	$ 780	[1]	$ 944	[1]											$ 3	$ 6
OREO and other repossessed property	213	[2]	229	[2]									85	77
Portfolio loans and leases	89,602	[3]	88,522	[4]	53,344	[5]	52,046	[6]	4,398	4,507					269	293			9	10
Restructured nonaccrual loans and leases											$ 21	$ 21					$ 2	$ 2

[1] Includes $649 and $890 of residential mortgage loans held for sale measured at fair value at March 31, 2014 and December 31, 2013, respectively.

[2] Excludes $85 and $77 of OREO related to government insured loans at March 31, 2014 and December 31, 2013, respectively.

[3] Excludes $103 of loans measured at fair value.

[4] Excludes $92 of loans measured at fair value.

[5] Excludes $103 of residential mortgage loans measured at fair value, and includes $878 of leveraged leases, net of unearned income.

[6] Excludes $92 of residential mortgage loans measured at fair value, and includes $881 of leveraged leases, net of unearned income. Includes five restructured loans at December 31, 2013 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 a recorded investment of $28 and an allowance of $11.