Credit Quality (Summary of the Bancorp's Nonperforming Loans and Leases by Class) (Detail) - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases	[1],[2]	$ 450	$ 348
OREO and other repossessed property		48	47
Nonperforming portfolio assets	[1],[2]	498	395
Commercial Portfolio Segment
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		313	228
Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		260	193
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner-occupied
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		28	11
Commercial Portfolio Segment | Commercial Mortgage Loans, Nonowner-Occupied
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		3	2
Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		22	22
Residential Mortgage Loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		25	22
Consumer Portfolio Segment
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		112	98
Consumer Portfolio Segment | Home Equity
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		80	69
Consumer Portfolio Segment | Indirect secured consumer loans
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		3	1
Consumer Portfolio Segment | Credit Card
Financing Receivable, Modifications
Nonaccrual portfolio loans and leases		27	27
Consumer Portfolio Segment | Other Consumer Loans
Financing Receivable, Modifications
Nonperforming portfolio assets		$ 2	$ 1

[1] Excludes $ 14 a nd $ 1 6 of nonaccrual loans held for sale at March 31, 2019 and December 31, 2018 , respectively

[2] Includes $ 11 and $ 6 of nonaccrual government insured commercial loans whose repayments are insured by the SBA at March 31, 2019 and December 31, 2018 , respectively, of which $ 6 and $ 2 are restructured nonaccrual government insured commercial loans a t March 31, 2019 and December 31, 2018 , respectively .