SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Funding, Liquidity Facilities and Subordinated Interests (Details) $ in Billions	9 Months Ended	12 Months Ended
Sep. 30, 2015 USD ($) trust	Dec. 31, 2014 USD ($)
Funding, Liquidity Facilities and Subordinated Interests
Number of trusts to hold securitized credit card receivables \| trust	2
Citibank Credit Card Master Trust (Master Trust)
Funding, Liquidity Facilities and Subordinated Interests
Weighted average maturity of term notes	2 years 6 months 25 days	2 years 9 months
Term notes issued to third parties	$ 29.4	$ 35.7
Term notes retained by Citigroup affiliates	6.7	8.2
Total Trust liabilities	$ 36.1	$ 43.9
Citibank OMNI Master Trust (Omni Trust)
Funding, Liquidity Facilities and Subordinated Interests
Weighted average maturity of term notes	1 year 1 month	1 year 11 months
Term notes issued to third parties	$ 1.3	$ 1.3
Term notes retained by Citigroup affiliates	1.9	1.9
Total Trust liabilities	$ 3.2	$ 3.2

No definition available.

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The par value of liabilities of the credit card receivables securitization trust.

No definition available.

Represents the number of securitization trusts established to hold in trust a specific type of securitized receivables.

No definition available.

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The par value of liabilities of the credit card receivables securitization trust related to term notes issued to third parties.

No definition available.

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The par value of liabilities of the credit card receivables securitization trust related to term notes retained by affiliates of the entity.

No definition available.

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This element represents the weighted average maturity of the term notes.

No definition available.

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