Summary of the Credit Risk Profile of the Bancorp's Commercial Portfolio Segment by Class (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Financing Receivable, Modifications
Total loans and leases	$ 90,385	[1]	$ 88,522	[2]
Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	54,095	[3]	52,046	[4]
Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	41,299		39,316
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	4,165		4,507
Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	3,640		3,559
Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	1,424		1,039
Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Total loans and leases	3,567		3,625
Pass | Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	49,920		47,922
Pass | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	38,426		36,776
Pass | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	3,621		3,866
Pass | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	3,063		2,879
Pass | Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	1,318		855
Pass | Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Total loans and leases	3,492		3,546
Special Mention | Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	1,862		1,663
Special Mention | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	1,363		1,118
Special Mention | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	204		209
Special Mention | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	199		248
Special Mention | Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	51		32
Special Mention | Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Total loans and leases	45		56
Risk Level, Substandard | Commercial Portfolio Segment
Financing Receivable, Modifications
Total loans and leases	2,303		2,440
Risk Level, Substandard | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	1,502		1,419
Risk Level, Substandard | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	339		415
Risk Level, Substandard | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	377		431
Risk Level, Substandard | Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Modifications
Total loans and leases	55		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	10		21
Risk Level, Doubtful | Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Total loans and leases	8		3
Risk Level, Doubtful | Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Modifications
Total loans and leases	1		17
Risk Level, Doubtful | Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Modifications
Total loans and leases	$ 1		$ 1

[1] Excludes $99 of loans measured at fair value.

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

[3] Excludes $99 of residential mortgage loans measured at fair value, and includes $880 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.