Related Party (Cash Flows to be Received from the TRA) (Detail) $ in Millions	Dec. 31, 2016 USD ($)
Cash Flow To Be Received From Put Call Option Exercises
Vantiv TRA Cash Flows
2017	$ 63	[1]
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	171	[1]
Estimated Cash Flow To Be Received Not Subject To Put Call Option
Vantiv TRA Cash Flows
2017	33	[2]
2018	42	[2]
2019	8	[2]
2020	8	[2]
2021	8	[2]
2022	8	[2]
2023	9	[2]
2024	9	[2]
2025	9	[2]
2026	10	[2]
Thereafter	102	[2]
Total Cash Flows to be Received from TRA	$ 246	[2]

[1] (b) As part of the agreement the Banco rp entered into with Vantiv, Inc. on July 27, 2016, Vantiv, Inc. may be obligated to pay a total of approximately $171 to the Bancorp to terminate certain remaining TRA cash flows, totaling an estimated $394, upon the exercise of certain call options by Va ntiv, Inc. or cert ain put options by the Bancorp

[2] (a) The 2017 cash flow of $33 has been agreed upon with Vantiv, Inc. for settlement in January 2017 and was recognized as a gain in noninterest income during the fourth quarter of 2016. The remaining estimated cash flows in this column (which include TRA benefits associated with the net exercise of the warrant and the subsequent exchange of Vantiv Holding units in the fourth quarter of 2016) will be recognized in future periods when the related uncertainties are resolved.