VIE (Investments in Qualified Affordable Housing Tax Credits) (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Other noninterest expense
Schedule of Equity Method Investments
Pre-tax investment and impairment losses	[1]	$ 36	$ 37	$ 107	$ 110
Applicable income tax expense
Schedule of Equity Method Investments
Tax credits and other benefits		$ (56)	$ (54)	$ (168)	$ (165)

[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 nine months ended September 30, 2017 and 2016 .