DEBT (Details 2) (USD $)	Sep. 30, 2014		Dec. 31, 2013
Long-Term Debt:
Total long-term debt	$ 223,842,000,000	[1]	$ 221,116,000,000	[1]
Trust preferred securities
Long-Term Debt:
Total long-term debt	1,700,000,000		3,900,000,000
Citigroup Inc.
Long-Term Debt:
Total long-term debt	147,892,000,000	[2]	156,804,000,000	[2]
Bank
Long-Term Debt:
Total long-term debt	67,908,000,000	[3]	56,457,000,000	[3]
Bank | Senior debt
Long-Term Debt:
Collateralized long-term advances from Federal Home Loan Bank	23,300,000,000		14,000,000,000
Broker-dealer
Long-Term Debt:
Total long-term debt	8,042,000,000	[4]	7,855,000,000	[4]
Citigroup Funding Inc. (CFI)
Long-Term Debt:
Carrying value of Principal-Protected Trust Securities	$ 0		$ 87,000,000

[1] Includes senior notes with carrying values of $87 million issued to outstanding Safety First Trusts at December 31, 2013. As of September 30, 2014, no amounts were outstanding to these trusts.

[2] Parent holding company, Citigroup Inc.

[3] Represents the Significant Citibank Entities as well as other Citibank and Banamex entities. At September 30, 2014 and December 31, 2013, collateralized long-term advances from the Federal Home Loan Banks were $23.3 billion and $14.0 billion, respectively.

[4] Represents broker-dealer subsidiaries that are consolidated into Citigroup Inc., the parent holding company.