Related Party (Cash Flows to be Received from the TRA) (Detail) $ in Millions	Dec. 31, 2019 USD ($)
Vantiv TRA Cash Flows
2020	$ 31
2021	11
Total Cash Flows to be Received from TRA	42
Cash Flow To Be Received From Put Call Option Exercises
Vantiv TRA Cash Flows
2022	139
2023	150
2024	35
Total Cash Flows to be Received from TRA	324
Estimated Cash Flow To Be Received Not Subject To Put Call Option
Vantiv TRA Cash Flows
2020	1
2021	73
2022	44
2023	45
2024	22
2025	11
Total Cash Flows to be Received from TRA	$ 196