Related Party Transactions - Additional Information (Detail) (USD $)	3 Months Ended				12 Months Ended				12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2009	Dec. 31, 2013 During Deconversion Period	Dec. 31, 2012 During Deconversion Period	Dec. 31, 2011 During Deconversion Period	Dec. 31, 2013 Beyond Deconversion Period	Dec. 31, 2012 Beyond Deconversion Period	Dec. 31, 2011 Beyond Deconversion Period	Dec. 31, 2013 Vantiv Holding, LLC	Dec. 31, 2012 Vantiv Holding, LLC	Dec. 31, 2011 Vantiv Holding, LLC	Sep. 30, 2013 Vantiv Holding, LLC	Jun. 30, 2013 Vantiv Holding, LLC	Mar. 31, 2012 Vantiv Holding, LLC	Jun. 30, 2009 Vantiv Holding, LLC	Dec. 31, 2013 Vantiv Holding, LLC Class B Units	Dec. 31, 2013 Vantiv Holding, LLC Class C Units	Dec. 31, 2013 Vantiv, Inc.	Dec. 31, 2013 Vantiv, Inc. Class B Units
Related Party Transaction [Line Items]
Outstanding balance of loans to Vantiv, LLC					$ 1,250,000,000
Income recognized on Equity method investments in Vantiv Holding, LLC					77,000,000	61,000,000
Dividend on Equity method investment in Vantiv Holding, LLC					40,000,000	30,000,000
Percentage of Vantiv Holding, LLC sold to Advent for cash and warrants								51.00%													51.00%
Equity Method Investment, Ownership Percentage															25.00%	33.00%				39.00%	49.00%
Percentage Of Vantiv Holding, LLC Sold																6.00%		3.00%	5.00%
Gain on sale of Vantiv Holding, LLC	85,000,000	242,000,000	157,000,000	115,000,000
Revenue From Related Parties					1,000,000	1,000,000	21,000,000		1,000,000	1,000,000	21,000,000	34,000,000	34,000,000	37,000,000
Service fee paid to Vantiv Holding, LLC					88,000,000	83,000,000	74,000,000
Loans to related parties			93,000,000		86,000,000	93,000,000									348,000,000	325,000,000
Interest income relating to the Vantiv Holding, LLC loans															7,000,000	11,000,000	18,000,000
Equity investments, carrying value			563,000,000		423,000,000	563,000,000
Line Of Credit			$ 4,281,000,000		$ 4,129,000,000	$ 4,281,000,000									$ 50,000,000	$ 50,000,000
Units of Vantiv Holding LLC Held								20,000,000														48,800,000	20,400,000
Shares held in Vantiv, Inc.																									48,800,000
Voting Power In Vantiv																								18.50%