Contingencies	12 Months Ended
Dec. 31, 2017
Loss Contingency [Abstract]
Contingencies	CONTINGENCIES Litigation and other Contingencies CIT is involved, and from time to time in the future may be involved, in a number of pending and threatened judicial, regulatory, and arbitration proceedings relating to matters that arise in connection with the conduct of its business (collectively, "Litigation"). In view of the inherent difficulty of predicting the outcome of Litigation matters, particularly when such matters are in their early stages or where the claimants seek indeterminate damages, CIT cannot state with confidence what the eventual outcome of the pending Litigation will be, what the timing of the ultimate resolution of these matters will be, or what the eventual loss, fines, or penalties related to each pending matter will be, if any. In accordance with applicable accounting guidance, CIT establishes reserves for Litigation when those matters present loss contingencies as to which it is both probable that a loss will occur and the amount of such loss can be reasonably estimated. Based on currently available information, CIT believes that the results of Litigation that is currently pending, taken together, will not have a material adverse effect on the Company's financial condition, but may be material to the Company's operating results or cash flows for any particular period, depending in part on its operating results for that period. The actual results of resolving such matters may be substantially higher than the amounts reserved. For certain Litigation matters in which the Company is involved, the Company is able to estimate a range of reasonably possible losses in excess of established reserves and insurance. For other matters for which a loss is probable or reasonably possible, such an estimate cannot be determined. For Litigation and other matters where losses are reasonably possible, management currently estimates the aggregate range of reasonably possible losses as up to $90 million in excess of established reserves and insurance related to those matters, if any. This estimate represents reasonably possible losses (in excess of established reserves and insurance) over the life of such Litigation, which may span a currently indeterminable number of years, and is based on information currently available as of December 31, 2017. The matters underlying the estimated range will change from time to time, and actual results may vary significantly from this estimate. Those Litigation matters for which an estimate is not reasonably possible or as to which a loss does not appear to be reasonably possible, based on current information, are not included within this estimated range and, therefore, this estimated range does not represent the Company's maximum loss exposure. The foregoing statements about CIT's Litigation are based on the Company's judgments, assumptions, and estimates and are necessarily subjective and uncertain. The Company has several hundred threatened and pending judicial, regulatory and arbitration proceedings at various stages. Several of the Company's significant Litigation matters are described below. Brazilian Tax Matter Banco Commercial Investment Trust do Brasil S.A. ("Banco CIT"), CIT's Brazilian bank subsidiary, was sold in a stock sale in the fourth quarter of 2015, thereby transferring the legal liabilities of Banco CIT to the buyer. Under the terms of the stock sale, CIT remains liable for indemnification to the buyer for any losses resulting from certain Imposto Sobre Circulaco de Mercadorias e Servicos ("ICMS") tax appeals relating to disputed local tax assessments on leasing services and importation of equipment (the "ICMS Tax Appeals"). Notices of infraction were issued to Banco CIT relating to the payment of ICMS taxes charged by Brazilian states in connection with the importation of equipment. The state of São Paulo claims that Banco CIT should have paid it ICMS taxes for tax years 2006 — 2009 because Banco CIT, the purchaser, was located in São Paulo. Instead, the ICMS taxes were paid to the state of Espirito Santo where the imported equipment arrived. A regulation issued by São Paulo in December 2013 reaffirms a 2009 agreement by São Paulo to conditionally recognize ICMS tax payments made to Espirito Santo. An assessment related to taxes paid to Espirito Santo was upheld in a ruling issued by the administrative court in May 2014. That ruling has been appealed. Another assessment related to taxes paid to Espirito Santo remains pending. Petitions seeking São Paulo's recognition of the taxes paid to Espirito Santo have been filed in a general amnesty program. Hawaiian Foreclosure Litigation Claims Based on recent rulings of the Hawaii Supreme Court, lawsuits have been filed against CIT in Hawaii alleging technical violations in non-judicial foreclosures. Similar cases have been filed against other mortgage lenders in Hawaii. The Hawaii Supreme Court did not establish a clear methodology for calculating alleged damages if a violation is proven and there is substantial dispute in this regard. In many instances the borrower had no equity in the home at the time of foreclosure. Damages sought in these cases include any lost equity, compensation for loss of use of the house and, in some cases, treble or punitive damages under Hawaii's unfair practices law. At this time, the Company does not have sufficient information to make an assessment of the outcome or the impact of these cases. HUD OIG Investigation In 2009, OneWest Bank acquired the reverse mortgage loan portfolio and related servicing rights of Financial Freedom Senior Funding Corporation, including HECM loans, from the FDIC as Receiver for IndyMac Federal Bank. HECM loans are insured by the FHA, and administered by HUD. In addition, Financial Freedom is the servicer of HECM loans owned by third party investors. Beginning in the third quarter of 2015, the Office of the Inspector General for HUD (the "HUD OIG"), served a series of subpoenas on the Company regarding HECM loans. The subpoenas requested documents and other information related to Financial Freedom's HECM loan origination and servicing business, including the curtailment of interest payments on HECM insurance claims. On May 16, 2017 CIT entered into a settlement of approximately $89 million to resolve the servicing related claims. The settlement was within CIT’s existing reserves and included interest to be reimbursed to HUD. CIT has provided information and documents responsive to the subpoena’s request for information relating to the mortgage originations and does not currently expect the outcome of the remaining loan origination matter to have a material adverse effect on CIT’s financial condition or results of operations. NY Attorney General In the second quarter of 2017, the Office of the Attorney General of the State of New York (“NYAG”), served a subpoena on the Company regarding HECM loans. The subpoena requested documents and other information related to Financial Freedom’s HECM loan business in the State of New York. The NYAG subsequently withdrew the subpoena and has requested the Company’s continued voluntary cooperation with the inquiry. The Company is continuing to cooperate with the NYAG’s office and has produced certain documents. The Company does not have sufficient information to make an assessment of the outcome or the impact of the NYAG’s ongoing inquiry. Ocwen Indemnification Obligations In connection with the OneWest acquisition, CIT assumed the obligation to indemnify Ocwen Loan Servicing, LLC (“Ocwen”) against certain claims that may arise from servicing errors, which are deemed attributable to the period prior to June 2013, when OneWest sold its servicing business to Ocwen, such as repurchase demands, non-recoverable servicing advances and compensatory fees imposed by the GSEs for servicer delays in completing the foreclosure process within the prescribed timeframe established by the servicer guides or agreements, exclusive of losses or repurchase obligations and certain agency fees, and which are limited to an aggregate amount of $150 million for claims noticed by February 28, 2017 to CIT. Ocwen is responsible for liabilities arising from servicer obligations following the service transfer date because substantially all risks and rewards of ownership were transferred; except for certain Agency fees or loan repurchase amounts. As of September 30, 2017, the cumulative indemnification payments totaled approximately $56 million, which reduced the Company’s $150 million maximum potential indemnity obligation to Ocwen. On August 12, 2016, Ocwen filed a Demand for Arbitration against CIT alleging that CIT failed to meet its contractual obligations to indemnify Ocwen for losses allegedly suffered in connection with the sale. Among other things, Ocwen alleged that CIT failed to perform its obligations under the sale agreement and breached its representations and warranties in the agreement. On November 30, 2017, the Company filed a Form 8-K announcing that CIT and Ocwen agreed to a settlement of $29.9 million to resolve the claims and that the Company was adequately reserved for the settlement which would not have a material effect on the Company’s financial condition or results of operations. Mortgage Servicing Consent Orders As a result of CIT Group Inc.’s acquisition of OneWest Bank, CIT (as successor to IMB Holdco LLC) is subject to a Consent Order with the FRB related to residential mortgage servicing operations. The original consent order was entered into with IMB Holdco LLC and the Office of Thrift Supervision in April 2011. Following IMB Holdco’s conversion to a bank holding company the Consent Order was amended in March 2014 to name the FRB as the appropriate regulator to administer the Order. A similar Consent Order had been entered into with the OCC, but in July 2015, immediately prior to completion of CIT’s acquisition of OneWest Bank the OCC terminated its Consent Order. However, the FRB continued its Consent Order in place and oversight was transferred to the Federal Reserve Bank New York and CIT succeeded to the Consent Order obligations. The improvements required by the Consent Order had been implemented including the completion of an Independent Foreclosure Review in 2014, resulting in approximately $12.7 million of remediation payments being made to borrowers. On January 12, 2018, the FRB announced the termination of enforcement actions related to residential mortgage loan servicing and foreclosure processing issued in 2011 and 2012 against 10 banks including CIT. The FRB also announced civil money penalties against certain of the banks that had not yet been fined for their mortgage servicing deficiencies related to those enforcement actions. CIT was adequately reserved for the penalty which will not have a material effect on the Company’s financial condition or results of operations.

CONTINGENCIES

Litigation and other Contingencies

CIT is involved, and from time to time in the future may be involved, in a number of pending and threatened judicial, regulatory, and arbitration proceedings relating to matters that arise in connection with the conduct of its business (collectively, "Litigation"). In view of the inherent difficulty of predicting the outcome of Litigation matters, particularly when such matters are in their early stages or where the claimants seek indeterminate damages, CIT cannot state with confidence what the eventual outcome of the pending Litigation will be, what the timing of the ultimate resolution of these matters will be, or what the eventual loss, fines, or penalties related to each pending matter will be, if any. In accordance with applicable accounting guidance, CIT establishes reserves for Litigation when those matters present loss contingencies as to which it is both probable that a loss will occur and the amount of such loss can be reasonably estimated. Based on currently available information, CIT believes that the results of Litigation that is currently pending, taken together, will not have a material adverse effect on the Company's financial condition, but may be material to the Company's operating results or cash flows for any particular period, depending in part on its operating results for that period. The actual results of resolving such matters may be substantially higher than the amounts reserved.

For certain Litigation matters in which the Company is involved, the Company is able to estimate a range of reasonably possible losses in excess of established reserves and insurance. For other matters for which a loss is probable or reasonably possible, such an estimate cannot be determined. For Litigation and other matters where losses are reasonably possible, management currently estimates the aggregate range of reasonably possible losses as up to $90 million in excess of established reserves and insurance related to those matters, if any. This estimate represents reasonably possible losses (in excess of established reserves and insurance) over the life of such Litigation, which may span a currently indeterminable number of years, and is based on information currently available as of December 31, 2017. The matters underlying the estimated range will change from time to time, and actual results may vary significantly from this estimate.

Those Litigation matters for which an estimate is not reasonably possible or as to which a loss does not appear to be reasonably possible, based on current information, are not included within this estimated range and, therefore, this estimated range does not represent the Company's maximum loss exposure.

The foregoing statements about CIT's Litigation are based on the Company's judgments, assumptions, and estimates and are necessarily subjective and uncertain. The Company has several hundred threatened and pending judicial, regulatory and arbitration proceedings at various stages. Several of the Company's significant Litigation matters are described below.

Brazilian Tax Matter

Banco Commercial Investment Trust do Brasil S.A. ("Banco CIT"), CIT's Brazilian bank subsidiary, was sold in a stock sale in the fourth quarter of 2015, thereby transferring the legal liabilities of Banco CIT to the buyer. Under the terms of the stock sale, CIT remains liable for indemnification to the buyer for any losses resulting from certain Imposto Sobre Circulaco de Mercadorias e Servicos ("ICMS") tax appeals relating to disputed local tax assessments on leasing services and importation of equipment (the "ICMS Tax Appeals").

Notices of infraction were issued to Banco CIT relating to the payment of ICMS taxes charged by Brazilian states in connection with the importation of equipment. The state of São Paulo claims that Banco CIT should have paid it ICMS taxes for tax years 2006 — 2009 because Banco CIT, the purchaser, was located in São Paulo. Instead, the ICMS taxes were paid to the state of Espirito Santo where the imported equipment arrived. A regulation issued by São Paulo in December 2013 reaffirms a 2009 agreement by São Paulo to conditionally recognize ICMS tax payments made to Espirito Santo. An assessment related to taxes paid to Espirito Santo was upheld in a ruling issued by the administrative court in May 2014. That ruling has been appealed. Another assessment related to taxes paid to Espirito Santo remains pending. Petitions seeking São Paulo's recognition of the taxes paid to Espirito Santo have been filed in a general amnesty program.

Hawaiian Foreclosure Litigation Claims

Based on recent rulings of the Hawaii Supreme Court, lawsuits have been filed against CIT in Hawaii alleging technical violations in non-judicial foreclosures. Similar cases have been filed against other mortgage lenders in Hawaii. The Hawaii Supreme Court did not establish a clear methodology for calculating alleged damages if a violation is proven and there is substantial dispute in this regard. In many instances the borrower had no equity in the home at the time of foreclosure. Damages sought in these cases include any lost equity, compensation for loss of use of the house and, in some cases, treble or punitive damages under Hawaii's unfair practices law. At this time, the Company does not have sufficient information to make an assessment of the outcome or the impact of these cases.

HUD OIG Investigation

In 2009, OneWest Bank acquired the reverse mortgage loan portfolio and related servicing rights of Financial Freedom Senior Funding Corporation, including HECM loans, from the FDIC as Receiver for IndyMac Federal Bank. HECM loans are insured by the FHA, and administered by HUD. In addition, Financial Freedom is the servicer of HECM loans owned by third party investors. Beginning in the third quarter of 2015, the Office of the Inspector General for HUD (the "HUD OIG"), served a series of subpoenas on the Company regarding HECM loans. The subpoenas requested documents and other information related to Financial Freedom's HECM loan origination and servicing business, including the curtailment of interest payments on HECM insurance claims. On May 16, 2017 CIT entered into a settlement of approximately $89 million to resolve the servicing related claims. The settlement was within CIT’s existing reserves and included interest to be reimbursed to HUD. CIT has provided information and documents responsive to the subpoena’s request for information relating to the mortgage originations and does not currently expect the outcome of the remaining loan origination matter to have a material adverse effect on CIT’s financial condition or results of operations.

NY Attorney General

In the second quarter of 2017, the Office of the Attorney General of the State of New York (“NYAG”), served a subpoena on the Company regarding HECM loans. The subpoena requested documents and other information related to Financial Freedom’s HECM loan business in the State of New York. The NYAG subsequently withdrew the subpoena and has requested the Company’s continued voluntary cooperation with the inquiry. The Company is continuing to cooperate with the NYAG’s office and has produced certain documents. The Company does not have sufficient information to make an assessment of the outcome or the impact of the NYAG’s ongoing inquiry.

Ocwen Indemnification Obligations

In connection with the OneWest acquisition, CIT assumed the obligation to indemnify Ocwen Loan Servicing, LLC (“Ocwen”) against certain claims that may arise from servicing errors, which are deemed attributable to the period prior to June 2013, when OneWest sold its servicing business to Ocwen, such as repurchase demands, non-recoverable servicing advances and compensatory fees imposed by the GSEs for servicer delays in completing the foreclosure process within the prescribed timeframe established by the servicer guides or agreements, exclusive of losses or repurchase obligations and certain agency fees, and which are limited to an aggregate amount of $150 million for claims noticed by February 28, 2017 to CIT. Ocwen is responsible for liabilities arising from servicer obligations following the service transfer date because substantially all risks and rewards of ownership were transferred; except for certain Agency fees or loan repurchase amounts. As of September 30, 2017, the cumulative indemnification payments totaled approximately $56 million, which reduced the Company’s $150 million maximum potential indemnity obligation to Ocwen. On August 12, 2016, Ocwen filed a Demand for Arbitration against CIT alleging that CIT failed to meet its contractual obligations to indemnify Ocwen for losses allegedly suffered in connection with the sale. Among other things, Ocwen alleged that CIT failed to perform its obligations under the sale agreement and breached its representations and warranties in the agreement. On November 30, 2017, the Company filed a Form 8-K announcing that CIT and Ocwen agreed to a settlement of $29.9 million to resolve the claims and that the Company was adequately reserved for the settlement which would not have a material effect on the Company’s financial condition or results of operations.

Mortgage Servicing Consent Orders

As a result of CIT Group Inc.’s acquisition of OneWest Bank, CIT (as successor to IMB Holdco LLC) is subject to a Consent Order with the FRB related to residential mortgage servicing operations. The original consent order was entered into with IMB Holdco LLC and the Office of Thrift Supervision in April 2011. Following IMB Holdco’s conversion to a bank holding company the Consent Order was amended in March 2014 to name the FRB as the appropriate regulator to administer the Order. A similar Consent Order had been entered into with the OCC, but in July 2015, immediately prior to completion of CIT’s acquisition of OneWest Bank the OCC terminated its Consent Order. However, the FRB continued its Consent Order in place and oversight was transferred to the Federal Reserve Bank New York and CIT succeeded to the Consent Order obligations. The improvements required by the Consent Order had been implemented including the completion of an Independent Foreclosure Review in 2014, resulting in approximately $12.7 million of remediation payments being made to borrowers. On January 12, 2018, the FRB announced the termination of enforcement actions related to residential mortgage loan servicing and foreclosure processing issued in 2011 and 2012 against 10 banks including CIT. The FRB also announced civil money penalties against certain of the banks that had not yet been fined for their mortgage servicing deficiencies related to those enforcement actions. CIT was adequately reserved for the penalty which will not have a material effect on the Company’s financial condition or results of operations.