Related Party (Cash Flows to be Received from the TRA) (Detail) $ in Millions	Dec. 31, 2017 USD ($)
Cash Flow To Be Received From Put Call Option Exercises
Vantiv TRA Cash Flows
2018	$ 108	[1]
2019	0	[1]
2020	0	[1]
2021	0	[1]
2022	0	[1]
2023	0	[1]
2024	0	[1]
2025	0	[1]
2026	0	[1]
Thereafter	0	[1]
Total Cash Flows to be Received from TRA	108	[1]
Estimated Cash Flow To Be Received Not Subject To Put Call Option
Vantiv TRA Cash Flows
2018	44	[2]
2019	20	[2]
2020	25	[2]
2021	26	[2]
2022	26	[2]
2023	27	[2]
2024	27	[2]
2025	28	[2]
2026	29	[2]
Thereafter	279	[2]
Total Cash Flows to be Received from TRA	$ 531	[2]

[1] ( b) As part of the agreement the Bancorp entered into with Vantiv, Inc. on July 27, 2016, Vantiv, Inc. made payments to the Bancorp of $63 during the year ended December 31, 2017 and may be obligated to pay a total of approximately $108 to the Bancorp to terminate certain remaining TRA cash flows, initially estimated to be $394, upon the exercise of certain call options by Vantiv, Inc. (now Worldpay, Inc.), or certain put options by the Bancorp.

[2] (a) The 2018 cash flow of $44 has been agreed upon with Vantiv, Inc. (now Worldpay, Inc.), for settlement in January 2018 and was recognized as a gain in other noninterest income during the fourth quarter of 2017. The remaining estimated cash flows in this column (which include TRA benefits associated with the net exercise of the warrant in 2016 and the subsequent exchange of Vantiv Holding units in the third quarter of 2017) will be recognized in future periods when the related uncertainties are resolved.