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Option to purchase additiona Non-voting units of Vantiv Holding, LLC

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Sensitivity Analysis of Decrease in Fair Value of Derivatives, Impact of 50 Basis Point Increase in the Interest Rate

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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This item represents the estimated amount of gains or losses included in earnings during the period attributable to changes in instrument-specific credit risk arising from loans and other receivables held as assets.

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Fair Value Measurements - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended				6 Months Ended	12 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2009	Jun. 30, 2013 Residential Mortgage Loans	Dec. 31, 2012 Residential Mortgage Loans	Jun. 30, 2013 Interest Rate Lock Commitments	Jun. 30, 2012 Fair Value Option	Jun. 30, 2012 Fair Value Option	Jun. 30, 2013 Other Real Estate Owned	Jun. 30, 2012 Other Real Estate Owned	Jun. 30, 2013 Other Real Estate Owned	Jun. 30, 2012 Other Real Estate Owned	Jun. 30, 2013 Commercial Loans Held For Sale	Jun. 30, 2013 Commercial Loans Held For Sale	Jun. 30, 2013 Commercial Loans HFS transferred from portfolio in the current quarter	Jun. 30, 2013 Commercial Loans HFS transferred from portfolio in the current quarter
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Net fair value of the interest rate lock commitments									$ 28
Change in the fair value of the interest rate lock commitments, due to decrease in current interest rates of 25 bp									31
Change in the fair value of the interest rate lock commitments, due to decrease in current interest rates of 50 bp									59
Change in the fair value of the interest rate lock commitments, due to increase in current interest rates of 25 bp									32
Change in the fair value of the interest rate lock commitments, due to increase in current interest rates of 50 bp									64
Change in fair value of interest rate lock commitments, due to 10% adverse changes in the assumed loan closing rates									3
Change in fair value of interest rate lock commitments, due to 20% adverse changes in the assumed loan closing rates									6
Change in fair value of interest rate lock commitments, due to 10% favorable changes in the assumed loan closing rates									3
Change in fair value of interest rate lock commitments, due to 20% favorable changes in the assumed loan closing rates									6
Commercial loans transferred from the portfolio to loans held for sale			601	20														2	5
Existing loans held for sale, further adjusted	2,113		2,113		2,856
Net impact related to fair value adjustments												5	19	14	36		4
Fair value changes included in earnings for instruments for which the fair value option was elected										97	97
The fair value of loans							3	3								1	1
Nonrecurring Losses Included As Charge-Offs												2	3	15	9
Incremental Unit Purchase Option	20		20
Fair Value Changes Included In Earnings For Instruments No Longer Held	$ 86	$ 109	$ 323	$ 267
Percentage of Vantiv Holding, LLC sold to Advent for cash and warrants						51.00%