Summary of the Bancorp's Nonperforming Loans and Leases by Class (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	$ 751	[1],[2]	$ 1,029	[1],[2]
Other Real Estate, Foreclosed Assets, and Repossessed Assets	306		329
OREO Property
Financing Receivable, Modifications [Line Items]
Other Real Estate, Foreclosed Assets, and Repossessed Assets	229	[3]	257	[3]
Commercial Portfolio Segment
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	458		697
Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	281		330
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	95	[4]	125	[4]
Commercial Portfolio Segment | Commercial Mortgage Loans Non Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	48		157
Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	29		76
Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	5		9
Residential Mortgage Loans
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	166		237
Consumer Portfolio Segment
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	127		95
Consumer Portfolio Segment | Home Equity
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	93		53
Consumer Portfolio Segment | Automobile Loans
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	1		2
Consumer Portfolio Segment | Credit Card
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases	33		39
Consumer Portfolio Segment | Consumer Other Financing Receivable
Financing Receivable, Modifications [Line Items]
Nonperforming Loans and Leases			$ 1

[1] Excludes $6 and $29 of nonaccrual loans held for sale at December 31, 2013 and 2012, respectively.

[2] Includes $10 of nonaccrual government insured commercial loans whose repayments are insured by the SBA at both December 31, 2013 and 2012, and $2 and $1 of restructured nonaccrual government insured commercial loans at December 31, 2013 and 2012, respectively.

[3] Excludes $77 and $72 of OREO related to government insured loans at December 31, 2013 and 2012, respectively.

[4] Excludes $21 of restructured nonaccrual loans at December 31, 2013 associated with a consolidated variable interest entity in which the Bancorp has no continuing credit risk due the risk being assumed by a third party.