Parent Company Financial Statements (Condensed Statements of Income - Parent Company Only) (Parenthetical) (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Dividend Received From Nonbank Companies And Related Subsidiaries		$ 1,900	$ 2,300
Parent Company Only
Dividend Received From Nonbank Companies And Related Subsidiaries	[1]	$ 1,890	$ 2,343	$ 1,886

[1] (a) The Bancorp’s indirect banking subsidiary paid dividends to the Bancorp’s direct nonbank subsidiary holding company of $1.9 billion , $2.3 billion and $1.9 billion for the years ended December 31, 2018 , 2017 and 2016 , respectively .