Summary of the Credit Risk Profile of the Bancorp's Residential Mortgage and Consumer Portfolio Segments by Class (Detail) - USD ($) $ in Millions		Jun. 30, 2015		Dec. 31, 2014
Total loans and leases		$ 92,525	[1]	$ 89,976	[2]
Home Equity | Consumer Portfolio Segment
Total loans and leases		8,547		8,886
Automobile Loans | Consumer Portfolio Segment
Total loans and leases		11,909		12,037
Credit Card | Consumer Portfolio Segment
Total loans and leases		2,278		2,401
Consumer Other Financing Receivable | Consumer Portfolio Segment
Total loans and leases		496		418
Performing Financing Receivable
Total loans and leases		35,797		35,811
Performing Financing Receivable | Residential Mortgage
Total loans and leases	[3]	12,693		12,204
Performing Financing Receivable | Home Equity
Total loans and leases		8,459		8,793
Performing Financing Receivable | Automobile Loans
Total loans and leases		11,907		12,036
Performing Financing Receivable | Credit Card
Total loans and leases		2,242		2,360
Performing Financing Receivable | Consumer Other Financing Receivable
Total loans and leases		496		418
Nonperforming Financing Receivable
Total loans and leases		188		212
Nonperforming Financing Receivable | Residential Mortgage
Total loans and leases	[3]	62		77
Nonperforming Financing Receivable | Home Equity
Total loans and leases		88		93
Nonperforming Financing Receivable | Automobile Loans
Total loans and leases		2		1
Nonperforming Financing Receivable | Credit Card
Total loans and leases		$ 36		$ 41

[1] Excludes $178 of residential mortgage loans measured at fair value.

[2] Excludes $108 of residential mortgage loans measured at fair value.

[3] Excludes $178 and $108 of loans measured at fair value at June 30, 2015 and December 31, 2014, respectively.