Credit Quality (Summary of the Bancorp's Nonperforming Loans and Leases by Class) (Detail) - USD ($) $ in Millions		Sep. 30, 2016		Dec. 31, 2015
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases	[1],[2]	$ 601	[3]	$ 506
OREO and other repossessed property		97		141
Nonperforming portfolio assets	[1],[2]	698	[3]	647
Commercial Portfolio Segment
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		460	[3]	341
Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		409	[3]	259
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner-occupied
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases	[4]	38		46
Commercial Portfolio Segment | Commercial Mortgage Loans, Nonowner-Occupied
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		10		35
Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		3		1
Residential Mortgage Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		32		51
Consumer Portfolio Segment
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		109		114
Consumer Portfolio Segment | Home Equity
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		78		79
Consumer Portfolio Segment | Automobile Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		2		2
Consumer Portfolio Segment | Credit Card
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		$ 29		$ 33

[1] Excludes $ 100 and $ 12 of nonaccrual loans held for sale at September 30, 2016 and December 31, 2015 , respectively.

[2] Includes $ 4 and $ 6 of nonaccrual government insured commercial loans whose repayments are insured by the SBA at September 30, 2016 and December 31, 2015 , respectively, and $ 1 and $ 2 of restructured nonaccrual government insured commercial loans at September 30, 2016 and December 31, 2015 , respectively .

[3] Nonaccrual portfolio loans and leases at September 30, 2016 were adjusted by $ 15 to reflect the identification of certain commercial and industrial loans as nonaccrual after the Bancorp’s Form 8-K was filed on October 20, 2016.

[4] Excludes $ 20 of restructured nonaccrual loans at both September 30, 2016 and December 31, 2015 associated with a consolidated VIE in which the Bancorp has no continuing credit risk due to the risk being assumed by a third party.