Summary of the Credit Risk Profile of the Bancorp's Residential Mortgage and Consumer Portfolio Segments by Class (Detail) - USD ($) $ in Millions		Dec. 31, 2015		Dec. 31, 2014
Total loans and leases		$ 92,415	[1]	$ 89,976	[2]
Home Equity | Consumer Portfolio Segment
Total loans and leases		8,301		8,886
Automobile Loans | Consumer Portfolio Segment
Total loans and leases		11,493		12,037
Credit Card | Consumer Portfolio Segment
Total loans and leases		2,259		2,401
Other Consumer Loans and Leases | Consumer Portfolio Segment
Total loans and leases		657		418
Performing Financing Receivable
Total loans and leases	[3]	36,094		35,811
Performing Financing Receivable | Residential Mortgage | Residential Portfolio Segment
Total loans and leases	[3]	13,498		12,204
Performing Financing Receivable | Home Equity | Consumer Portfolio Segment
Total loans and leases		8,222		8,793
Performing Financing Receivable | Automobile Loans | Consumer Portfolio Segment
Total loans and leases		11,491		12,036
Performing Financing Receivable | Credit Card | Consumer Portfolio Segment
Total loans and leases		2,226		2,360
Performing Financing Receivable | Other Consumer Loans and Leases | Consumer Portfolio Segment
Total loans and leases		657		418
Nonperforming Financing Receivable
Total loans and leases	[3]	165		212
Nonperforming Financing Receivable | Residential Mortgage | Residential Portfolio Segment
Total loans and leases	[3]	51		77
Nonperforming Financing Receivable | Home Equity | Consumer Portfolio Segment
Total loans and leases		79		93
Nonperforming Financing Receivable | Automobile Loans | Consumer Portfolio Segment
Total loans and leases		2		1
Nonperforming Financing Receivable | Credit Card | Consumer Portfolio Segment
Total loans and leases		$ 33		$ 41

[1] Excludes $167 of residential mortgage loans measured at fair value at December 31, 2015.

[2] Excludes $108 of residential mortgage loans measured at fair value at December 31, 2014.

[3] Excludes $167 and $108 of loans measured at fair value at December 31, 2015 and 2014, respectively