Credit Quality (Summary of the Credit Risk Profile of the Bancorp's Residential Mortgage and Consumer Portfolio Segments by Class) (Detail) - USD ($) $ in Millions		Sep. 30, 2016		Dec. 31, 2015
Total loans and leases		$ 93,002	[1],[2]	$ 92,415	[3],[4]
Home Equity | Consumer Portfolio Segment
Total loans and leases		7,864		8,301
Automobile Loans | Consumer Portfolio Segment
Total loans and leases		10,349		11,493
Credit Card | Consumer Portfolio Segment
Total loans and leases		2,169		2,259
Other consumer loans and leases | Consumer Portfolio Segment
Total loans and leases		643		657
Performing Financing Receivable
Total loans and leases	[5]	35,378		36,094
Performing Financing Receivable | Residential Mortgage | Residential Mortgage Loans
Total loans and leases	[5]	14,462		13,498
Performing Financing Receivable | Home Equity | Consumer Portfolio Segment
Total loans and leases		7,786		8,222
Performing Financing Receivable | Automobile Loans | Consumer Portfolio Segment
Total loans and leases		10,347		11,491
Performing Financing Receivable | Credit Card | Consumer Portfolio Segment
Total loans and leases		2,140		2,226
Performing Financing Receivable | Other consumer loans and leases | Consumer Portfolio Segment
Total loans and leases		643		657
Nonperforming Financing Receivable
Total loans and leases	[5]	141		165
Nonperforming Financing Receivable | Residential Mortgage | Residential Mortgage Loans
Total loans and leases	[5]	32		51
Nonperforming Financing Receivable | Home Equity | Consumer Portfolio Segment
Total loans and leases		78		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		29		33
Nonperforming Financing Receivable | Other consumer loans and leases | Consumer Portfolio Segment
Total loans and leases		$ 0		$ 0

[1] Excludes $ 149 of residential mortgage loans measured at fair value at September 30, 2016 .

[2] Excludes $ 149 of residential mortgage loans measured at fair value, and includes $ 72 5 of leveraged leases, net of unearned income at September 30, 2016 .

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

[4] Excludes $ 167 of residential mortgage loans measured at fair value, and includes $ 801 of leveraged leases, net of unearned income at December 31, 2015 .

[5] (a) Excludes $ 149 and $ 167 of loans measured at fair value at September 30, 2016 and December 31, 2015 , respectively.