Total Loans And Leases Managed By The Bancorp (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	$ 88,614	$ 85,782
Net Credit Losses	501	704
Loans Held For Sale [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	944	2,939
Loans and Leases Managed and Securitized
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	89,558	88,721
Balance of Loans 90 days or More Past Due	103	195
Loans and Leases Managed and Securitized | Commercial And Industrial Loans [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	39,347	36,077
Balance of Loans 90 days or More Past Due		1
Net Credit Losses	168	165
Loans and Leases Managed and Securitized | Commercial Mortgage Loans [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	8,069	9,116
Balance of Loans 90 days or More Past Due		22
Net Credit Losses	47	99
Loans and Leases Managed and Securitized | Commercial Construction
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	1,041	707
Balance of Loans 90 days or More Past Due		1
Net Credit Losses	4	25
Loans and Leases Managed and Securitized | Commercial Leases [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	3,626	3,549
Net Credit Losses	1	8
Loans and Leases Managed and Securitized | Residential Mortgage [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	13,570	14,873
Balance of Loans 90 days or More Past Due	66	75
Net Credit Losses	60	122
Loans and Leases Managed and Securitized | Home Equity
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	9,246	10,018
Balance of Loans 90 days or More Past Due		58
Net Credit Losses	97	157
Loans and Leases Managed and Securitized | Automobile Loan
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	11,984	11,972
Balance of Loans 90 days or More Past Due	8	8
Net Credit Losses	22	31
Loans and Leases Managed and Securitized | Other Consumer Loans and Leases
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	381	312
Net Credit Losses	24	23
Loans and Leases Managed and Securitized | Credit Card Loan [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Balance	2,294	2,097
Balance of Loans 90 days or More Past Due	29	30
Net Credit Losses	$ 78	$ 74