Summary of the Credit Risk Profile of the Bancorp's Commercial Portfolio Segment by Class (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Financing Receivable, Modifications
Total loans and leases	$ 89,602	[1]	$ 88,522	[2]
Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	53,344	[3]	52,046	[4]
Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	40,591		39,316
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	4,398		4,507
Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	3,560		3,559
Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	1,218		1,039
Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Total loans and leases	3,577		3,625
Pass | Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	49,377		47,922
Pass | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	38,061		36,776
Pass | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	3,825		3,866
Pass | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	2,913		2,879
Pass | Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	1,078		855
Pass | Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Total loans and leases	3,500		3,546
Special Mention | Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	1,697		1,663
Special Mention | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	1,175		1,118
Special Mention | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	196		209
Special Mention | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	242		248
Special Mention | Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	37		32
Special Mention | Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Total loans and leases	47		56
Risk Level, Substandard | Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	2,226		2,440
Risk Level, Substandard | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	1,313		1,419
Risk Level, Substandard | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	375		415
Risk Level, Substandard | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	405		431
Risk Level, Substandard | Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	103		152
Risk Level, Substandard | Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Total loans and leases	30		23
Risk Level, Doubtful | Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	44		21
Risk Level, Doubtful | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	42		3
Risk Level, Doubtful | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	2		17
Risk Level, Doubtful | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases			$ 1

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

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

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

[4] 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.