Total Loans And Leases Managed By The Bancorp (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	$ 87,032		$ 85,782
Commercial and Industrial Loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	37,868		36,077
Balance of Loans 90 days or More Past Due			1
Net Credit Losses	57	100
Commercial Mortgage Loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	8,450		9,116
Balance of Loans 90 days or More Past Due			22
Net Credit Losses	37	55
Commercial Construction
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	758		707
Balance of Loans 90 days or More Past Due			1
Net Credit Losses	3	18
Commercial Leases
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	3,570		3,549
Net Credit Losses	2	7
Residential Mortgage
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	14,513		14,873
Balance of Loans 90 days or More Past Due	71		75
Net Credit Losses	35	73
Home Equity
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	9,531		10,018
Balance of Loans 90 days or More Past Due	48		58
Net Credit Losses	53	85
Automobile Loan
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	12,015		11,972
Balance of Loans 90 days or More Past Due	6		8
Net Credit Losses	9	16
Credit Card
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	2,114		2,097
Balance of Loans 90 days or More Past Due	27		30
Net Credit Losses	38	38
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
Balance	361		312
Net Credit Losses	11	9
Loans Held-for-Sale
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Balance	2,148		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
Balance	89,180		88,721
Balance of Loans 90 days or More Past Due	152		195
Net Credit Losses	$ 245	$ 401