SECURITIZATIONS AND VARIABLE INTEREST ENTITIES (Details 4) (USD $) In Billions	Sep. 30, 2011	Dec. 31, 2010
Citicorp
Securitized credit card receivables
Principal amount of credit card receivables in trusts	$ 59.6	$ 67.5
Ownership interests in principal amount of trust credit card receivables
Sold to investors via trust-issued securities	31.5	42.0
Retained by Citigroup as trust-issued securities	8.5	3.4
Retained by Citigroup via non-certificated interests recorded as consumer loans	19.6	22.1
Total ownership interests in principal amount of trust credit card receivables	59.6	67.5
Citi Holdings
Securitized credit card receivables
Principal amount of credit card receivables in trusts	29.6	34.1
Ownership interests in principal amount of trust credit card receivables
Sold to investors via trust-issued securities	13.1	16.4
Retained by Citigroup as trust-issued securities	7.1	7.1
Retained by Citigroup via non-certificated interests recorded as consumer loans	9.4	10.6
Total ownership interests in principal amount of trust credit card receivables	$ 29.6	$ 34.1