VIE (Investments in Qualified Affordable Housing Tax Credits) (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Other noninterest expense
Schedule of Equity Method Investments
Pre-tax investment and impairment losses	[1]	$ 46	$ 35	$ 91	$ 72
Applicable income tax expense
Schedule of Equity Method Investments
Tax credits and other benefits		$ (51)	$ (56)	$ (103)	$ (112)

[1] (a) The Bancorp did not recognize impairment losses resulting from the forfeiture or ineligibility of tax credi ts or other circumstances during both the three and six months ended June 30, 2018 and 2017 .