Summary of the Credit Risk Profile of the Bancorp's Residential Mortgage and Consumer Portfolio Segments by Class (Detail) - USD ($) $ in Millions		Mar. 31, 2016		Dec. 31, 2015
Total loans and leases		$ 93,445	[1]	$ 92,415	[2]
Home Equity | Consumer Portfolio Segment
Total loans and leases		8,112		8,301
Automobile Loans | Consumer Portfolio Segment
Total loans and leases		11,128		11,493
Credit Card | Consumer Portfolio Segment
Total loans and leases		2,138		2,259
Other consumer loans and leases | Consumer Portfolio Segment
Total loans and leases		651		657
Performing Financing Receivable
Total loans and leases	[3]	35,606		36,094
Performing Financing Receivable | Residential Mortgage | Residential Mortgage Loans
Total loans and leases	[3]	13,691		13,498
Performing Financing Receivable | Home Equity | Consumer Portfolio Segment
Total loans and leases		8,032		8,222
Performing Financing Receivable | Automobile Loans | Consumer Portfolio Segment
Total loans and leases		11,126		11,491
Performing Financing Receivable | Credit Card | Consumer Portfolio Segment
Total loans and leases		2,106		2,226
Performing Financing Receivable | Other consumer loans and leases | Consumer Portfolio Segment
Total loans and leases		651		657
Nonperforming Financing Receivable
Total loans and leases	[3]	158		165
Nonperforming Financing Receivable | Residential Mortgage | Residential Mortgage Loans
Total loans and leases	[3]	44		51
Nonperforming Financing Receivable | Home Equity | Consumer Portfolio Segment
Total loans and leases		80		79
Nonperforming Financing Receivable | Automobile Loans | Consumer Portfolio Segment
Total loans and leases		2		2
Nonperforming Financing Receivable | Credit Card | Consumer Portfolio Segment
Total loans and leases		$ 32		$ 33

[1] Excludes $160 of residential mortgage loans measured at fair value at March 31, 2016.

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

[3] Excludes $160 and $167 of loans measured at fair value at March 31, 2016 and December 31, 2015, respectively.