Credit Quality (Summary of the Bancorp's Nonaccrual Loans and Leases by Class) (Detail) - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases	[1],[2]	$ 437	$ 660
OREO and other repossessed personal property		54	84
Nonperforming portfolio assets	[1],[2]	489	738
Excludes OREO Related to Government Insured Loans
Financing Receivable, Modifications
OREO and other repossessed personal property		52	78
Commercial Portfolio Segment
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		306	523
Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		276	478
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner-Occupied
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		19	32	[3]
Commercial Portfolio Segment | Commercial Mortgage Loans, Nonowner-Occupied
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		7	9
Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		4	4
Residential Mortgage Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		30	34
Consumer Portfolio Segment
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		101	103
Consumer Portfolio Segment | Home Equity
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		74	73
Consumer Portfolio Segment | Automobile Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		1	2
Consumer Portfolio Segment | Credit Card
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		$ 26	$ 28

[1] Includes $ 3 and $ 4 of nonaccrual government insured commercial loans whose repayments are insured by the SBA at December 31, 2017 and 2016 , respectively, of which $ 3 and $ 1 are restructured nonaccrual government insured commercial loans at December 31, 2017 and 2016 , respectively .

[2] Excludes $ 6 and $ 13 of nonaccrual loans and leases held for sale at December 31, 2017 and 2016 , respectively.

[3] Excludes $ 19 of restructured nonaccrua l loans at December 31, 2016 associated with a consolidated VIE in which the Bancorp had no continuing credit risk due the risk being assumed by a third party. Refer to Note 11 for further discussion on the deconsolidation of the VIE associated with these loans in the third quarte r of 2017.