FAIR VALUE MEASUREMENT (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2008 D	Dec. 31, 2011	Mar. 31, 2011	Feb. 29, 2008
FAIR VALUE MEASUREMENT
Amount of auction rate securities in which Citigroup acted in the capacity of primary dealer	$ 14,000,000,000				$ 72,000,000,000
Maturity period of auction rate securities, period one (in days)		7
Maturity period of auction rate securities, period two (in days)		28
Maturity period of auction rate securities, period three (in days)		35
Residential mortgage-backed securities (RMBS) where collateral is composed of full documentation loans, above the high end of range (as a percent)	30.00%
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Federal funds sold and securities borrowed or purchased under agreements to resell, selected portfolios of securities purchased under agreements to resell and securities borrowed	172,435,000,000		142,862,000,000
Investments	279,424,000,000		274,040,000,000
Loans	4,744,000,000		5,265,000,000	4,351,000,000
Nontrading derivatives and other financial assets measured on a recurring basis	9,413,000,000		13,360,000,000
Federal funds purchased and securities loaned or sold under agreements to repurchase	137,571,000,000		112,770,000,000
Short-term borrowings	1,217,000,000		1,354,000,000
Long-term debt, at fair value	26,700,000,000		24,172,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis, gross	3,139,000,000		3,742,000,000
Maximum
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Weighted average FICO score of the underlying collateral for Alt-A mortgage securities recorded at fair value	720
Minimum
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Weighted average FICO score of the underlying collateral for Alt-A mortgage securities recorded at fair value	680
Fair value
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Federal funds sold and securities borrowed or purchased under agreements to resell, selected portfolios of securities purchased under agreements to resell and securities borrowed	116,600,000,000		133,000,000,000
Investments	17,400,000,000		18,400,000,000
Nontrading derivatives and other financial assets measured on a recurring basis	282,000,000,000		245,400,000,000
Federal funds purchased and securities loaned or sold under agreements to repurchase	88,400,000,000		85,600,000,000
Long-term debt, at fair value	284,400,000,000		289,700,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis, gross	143,300,000,000		141,100,000,000
Recurring | Level 1
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	110,614,000,000		97,748,000,000
Total Gross Derivatives, Assets	3,696,000,000		3,265,000,000
Total derivatives, assets	3,696,000,000		3,265,000,000
Investments	46,631,000,000		51,879,000,000
Total assets	160,941,000,000		152,892,000,000
Total as a percentage of gross assets	9.90%		9.00%
Securities sold, not yet purchased	71,850,000,000		58,456,000,000
Total Gross Derivatives, Liabilities	4,027,000,000		3,732,000,000
Total derivatives, liabilities	4,027,000,000		3,732,000,000
Total liabilities	75,877,000,000		62,188,000,000
Total as a percentage of gross liabilities	6.50%		5.00%
Recurring | Level 1 | Interest rate contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	2,000,000		67,000,000
Total Gross Derivatives, Liabilities	5,000,000		37,000,000
Recurring | Level 1 | Foreign exchange contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	1,000,000
Total Gross Derivatives, Liabilities	2,000,000
Recurring | Level 1 | Equity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	2,834,000,000		2,240,000,000
Total Gross Derivatives, Liabilities	3,131,000,000		2,822,000,000
Recurring | Level 1 | Commodity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	859,000,000		958,000,000
Total Gross Derivatives, Liabilities	889,000,000		873,000,000
Recurring | Level 1 | Mortgage-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Investments	56,000,000		59,000,000
Recurring | Level 1 | U.S. government-sponsored agency guaranteed
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Investments	56,000,000		59,000,000
Recurring | Level 1 | U.S. Treasury and federal agency securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	14,479,000,000		15,612,000,000
Investments	11,212,000,000		11,642,000,000
Recurring | Level 1 | U.S. Treasury
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	14,479,000,000		15,612,000,000
Investments	11,212,000,000		11,642,000,000
Recurring | Level 1 | Foreign government
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	53,421,000,000		52,429,000,000
Investments	34,910,000,000		33,544,000,000
Recurring | Level 1 | Equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	42,714,000,000		29,707,000,000
Investments	453,000,000		6,634,000,000
Recurring | Level 2
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Federal funds sold and securities borrowed or purchased under agreements to resell, selected portfolios of securities purchased under agreements to resell and securities borrowed	216,275,000,000		188,034,000,000
Trading securities	123,431,000,000		116,401,000,000
Total Gross Derivatives, Assets	848,629,000,000		958,448,000,000
Total derivatives, assets	848,629,000,000		958,448,000,000
Investments	216,993,000,000		205,364,000,000
Loans	466,000,000		583,000,000
Nontrading derivatives and other financial assets measured on a recurring basis, gross	10,620,000,000		14,270,000,000
Nontrading derivatives and other financial assets measured on a recurring basis	10,620,000,000		14,270,000,000
Total assets	1,416,414,000,000		1,483,100,000,000
Total as a percentage of gross assets	86.60%		87.40%
Interest-bearing deposits	869,000,000		895,000,000
Federal funds purchased and securities loaned or sold under agreements to repurchase	184,883,000,000		161,582,000,000
Securities sold, not yet purchased	10,175,000,000		10,941,000,000
Total Gross Derivatives, Liabilities	847,583,000,000		951,455,000,000
Total derivatives, liabilities	847,583,000,000		951,455,000,000
Short-term borrowings	794,000,000		855,000,000
Long-term debt, at fair value	20,181,000,000		17,268,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis, gross	2,561,000,000		3,559,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis	2,561,000,000		3,559,000,000
Total liabilities	1,067,046,000,000		1,146,555,000,000
Total as a percentage of gross liabilities	91.70%		93.00%
Recurring | Level 2 | Interest rate contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	684,823,000,000		755,473,000,000
Total Gross Derivatives, Liabilities	667,925,000,000		738,833,000,000
Recurring | Level 2 | Foreign exchange contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	73,182,000,000		93,536,000,000
Total Gross Derivatives, Liabilities	78,126,000,000		96,549,000,000
Recurring | Level 2 | Equity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	16,089,000,000		16,376,000,000
Total Gross Derivatives, Liabilities	29,698,000,000		26,961,000,000
Recurring | Level 2 | Commodity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	13,787,000,000		11,940,000,000
Total Gross Derivatives, Liabilities	14,349,000,000		11,959,000,000
Recurring | Level 2 | Credit derivatives
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	60,748,000,000		81,123,000,000
Total Gross Derivatives, Liabilities	57,485,000,000		77,153,000,000
Recurring | Level 2 | Mortgage-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	30,600,000,000		29,751,000,000
Investments	51,138,000,000		50,279,000,000
Recurring | Level 2 | U.S. government-sponsored agency guaranteed
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	27,601,000,000		26,674,000,000
Investments	44,114,000,000		45,043,000,000
Recurring | Level 2 | Prime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	437,000,000		118,000,000
Investments	115,000,000		105,000,000
Recurring | Level 2 | Alt-A
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	510,000,000		444,000,000
Investments	1,000,000		1,000,000
Recurring | Level 2 | Subprime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	262,000,000		524,000,000
Recurring | Level 2 | Non-U.S. residential
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	499,000,000		276,000,000
Investments	6,426,000,000		4,658,000,000
Recurring | Level 2 | Commercial
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	1,291,000,000		1,715,000,000
Investments	482,000,000		472,000,000
Recurring | Level 2 | U.S. Treasury and federal agency securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	5,063,000,000		3,784,000,000
Investments	77,962,000,000		73,421,000,000
Recurring | Level 2 | U.S. Treasury
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	2,414,000,000		2,615,000,000
Investments	43,703,000,000		38,587,000,000
Recurring | Level 2 | Agency obligations
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	2,649,000,000		1,169,000,000
Investments	34,259,000,000		34,834,000,000
Recurring | Level 2 | State and municipal securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	5,747,000,000		5,112,000,000
Investments	13,462,000,000		13,732,000,000
Recurring | Level 2 | Foreign government
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	26,260,000,000		26,601,000,000
Investments	53,992,000,000		50,523,000,000
Recurring | Level 2 | Corporate
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	36,059,000,000		33,786,000,000
Investments	10,912,000,000		9,268,000,000
Recurring | Level 2 | Equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	3,056,000,000		3,279,000,000
Investments	644,000,000		98,000,000
Recurring | Level 2 | Asset-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	1,638,000,000		1,270,000,000
Investments	7,773,000,000		6,962,000,000
Recurring | Level 2 | Other debt securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	15,008,000,000		12,818,000,000
Investments	555,000,000		563,000,000
Recurring | Level 2 | Non-marketable equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Investments	555,000,000		518,000,000
Recurring | Level 3
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Federal funds sold and securities borrowed or purchased under agreements to resell, selected portfolios of securities purchased under agreements to resell and securities borrowed	4,497,000,000		4,701,000,000
Trading securities	16,262,000,000		15,258,000,000
Total Gross Derivatives, Assets	11,787,000,000		14,513,000,000
Total derivatives, assets	11,787,000,000		14,513,000,000
Investments	15,800,000,000		16,797,000,000
Loans	4,278,000,000		4,682,000,000
Mortgage servicing rights (MSRs)	2,691,000,000		2,569,000,000
Nontrading derivatives and other financial assets measured on a recurring basis, gross	2,322,000,000		2,245,000,000
Nontrading derivatives and other financial assets measured on a recurring basis	2,322,000,000		2,245,000,000
Total assets	57,637,000,000		60,765,000,000
Total as a percentage of gross assets	3.50%		3.60%
Interest-bearing deposits	458,000,000		431,000,000
Federal funds purchased and securities loaned or sold under agreements to repurchase	1,025,000,000		1,061,000,000
Securities sold, not yet purchased	177,000,000		412,000,000
Total Gross Derivatives, Liabilities	12,748,000,000		14,763,000,000
Total derivatives, liabilities	12,748,000,000		14,763,000,000
Short-term borrowings	423,000,000		499,000,000
Long-term debt, at fair value	6,519,000,000		6,904,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis, gross	2,000,000		3,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis	2,000,000		3,000,000
Total liabilities	21,352,000,000		24,073,000,000
Total as a percentage of gross liabilities	1.80%		2.00%
Recurring | Level 3 | Interest rate contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	2,112,000,000		1,947,000,000
Total Gross Derivatives, Liabilities	1,421,000,000		1,221,000,000
Recurring | Level 3 | Foreign exchange contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	772,000,000		781,000,000
Total Gross Derivatives, Liabilities	716,000,000		814,000,000
Recurring | Level 3 | Equity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	1,741,000,000		1,619,000,000
Total Gross Derivatives, Liabilities	2,818,000,000		3,356,000,000
Recurring | Level 3 | Commodity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	932,000,000		865,000,000
Total Gross Derivatives, Liabilities	1,791,000,000		1,799,000,000
Recurring | Level 3 | Credit derivatives
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	6,230,000,000		9,301,000,000
Total Gross Derivatives, Liabilities	6,002,000,000		7,573,000,000
Recurring | Level 3 | Mortgage-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	3,010,000,000		2,988,000,000
Investments	940,000,000		687,000,000
Recurring | Level 3 | U.S. government-sponsored agency guaranteed
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	1,115,000,000		861,000,000
Investments	932,000,000		679,000,000
Recurring | Level 3 | Prime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	744,000,000		759,000,000
Investments	2,000,000		8,000,000
Recurring | Level 3 | Alt-A
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	106,000,000		165,000,000
Recurring | Level 3 | Subprime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	375,000,000		465,000,000
Recurring | Level 3 | Non-U.S. residential
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	122,000,000		120,000,000
Recurring | Level 3 | Commercial
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	548,000,000		618,000,000
Investments	6,000,000
Recurring | Level 3 | U.S. Treasury and federal agency securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities			3,000,000
Investments			75,000,000
Recurring | Level 3 | Agency obligations
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities			3,000,000
Investments			75,000,000
Recurring | Level 3 | State and municipal securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	223,000,000		252,000,000
Investments	682,000,000		667,000,000
Recurring | Level 3 | Foreign government
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	833,000,000		521,000,000
Investments	375,000,000		447,000,000
Recurring | Level 3 | Corporate
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	3,763,000,000		3,240,000,000
Investments	1,062,000,000		989,000,000
Recurring | Level 3 | Equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	191,000,000		244,000,000
Investments	1,326,000,000		1,453,000,000
Recurring | Level 3 | Asset-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	5,655,000,000		5,801,000,000
Investments	3,073,000,000		4,041,000,000
Recurring | Level 3 | Other debt securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	2,587,000,000		2,209,000,000
Investments	55,000,000		120,000,000
Recurring | Level 3 | Non-marketable equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Investments	8,287,000,000		8,318,000,000
Recurring | Gross inventory
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Federal funds sold and securities borrowed or purchased under agreements to resell, selected portfolios of securities purchased under agreements to resell and securities borrowed	220,772,000,000		192,735,000,000
Trading securities	250,307,000,000		229,407,000,000
Total Gross Derivatives, Assets	864,112,000,000		976,226,000,000
Gross cash collateral paid	52,714,000,000		57,815,000,000
Total derivatives, assets	916,826,000,000		1,034,041,000,000
Investments	279,424,000,000		274,040,000,000
Loans	4,744,000,000		5,265,000,000
Mortgage servicing rights (MSRs)	2,691,000,000		2,569,000,000
Nontrading derivatives and other financial assets measured on a recurring basis, gross	12,942,000,000		16,515,000,000
Gross cash collateral paid	144,000,000		307,000,000
Nontrading derivatives and other financial assets measured on a recurring basis	13,086,000,000		16,822,000,000
Total assets	1,687,850,000,000		1,754,879,000,000
Total as a percentage of gross assets	100.00%		100.00%
Interest-bearing deposits	1,327,000,000		1,326,000,000
Federal funds purchased and securities loaned or sold under agreements to repurchase	185,908,000,000		162,643,000,000
Securities sold, not yet purchased	82,202,000,000		69,809,000,000
Total Gross Derivatives, Liabilities	864,358,000,000		969,950,000,000
Gross cash collateral received	44,972,000,000		52,811,000,000
Total derivatives, liabilities	909,330,000,000		1,022,761,000,000
Short-term borrowings	1,217,000,000		1,354,000,000
Long-term debt, at fair value	26,700,000,000		24,172,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis, gross	2,563,000,000		3,562,000,000
Gross cash collateral received	4,249,000,000		3,642,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis	6,812,000,000		7,204,000,000
Total liabilities	1,213,496,000,000		1,289,269,000,000
Total as a percentage of gross liabilities	100.00%		100.00%
Recurring | Gross inventory | Interest rate contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	686,937,000,000		757,487,000,000
Total Gross Derivatives, Liabilities	669,351,000,000		740,091,000,000
Recurring | Gross inventory | Foreign exchange contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	73,955,000,000		94,317,000,000
Total Gross Derivatives, Liabilities	78,844,000,000		97,363,000,000
Recurring | Gross inventory | Equity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	20,664,000,000		20,235,000,000
Total Gross Derivatives, Liabilities	35,647,000,000		33,139,000,000
Recurring | Gross inventory | Commodity contracts
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	15,578,000,000		13,763,000,000
Total Gross Derivatives, Liabilities	17,029,000,000		14,631,000,000
Recurring | Gross inventory | Credit derivatives
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total Gross Derivatives, Assets	66,978,000,000		90,424,000,000
Total Gross Derivatives, Liabilities	63,487,000,000		84,726,000,000
Recurring | Gross inventory | Mortgage-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	33,610,000,000		32,739,000,000
Investments	52,134,000,000		51,025,000,000
Recurring | Gross inventory | U.S. government-sponsored agency guaranteed
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	28,716,000,000		27,535,000,000
Investments	45,102,000,000		45,781,000,000
Recurring | Gross inventory | Prime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	1,181,000,000		877,000,000
Investments	117,000,000		113,000,000
Recurring | Gross inventory | Alt-A
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	616,000,000		609,000,000
Investments	1,000,000		1,000,000
Recurring | Gross inventory | Subprime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	637,000,000		989,000,000
Recurring | Gross inventory | Non-U.S. residential
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	621,000,000		396,000,000
Investments	6,426,000,000		4,658,000,000
Recurring | Gross inventory | Commercial
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	1,839,000,000		2,333,000,000
Investments	488,000,000		472,000,000
Recurring | Gross inventory | U.S. Treasury and federal agency securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	19,542,000,000		19,399,000,000
Investments	89,174,000,000		85,138,000,000
Recurring | Gross inventory | U.S. Treasury
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	16,893,000,000		18,227,000,000
Investments	54,915,000,000		50,229,000,000
Recurring | Gross inventory | Agency obligations
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	2,649,000,000		1,172,000,000
Investments	34,259,000,000		34,909,000,000
Recurring | Gross inventory | State and municipal securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	5,970,000,000		5,364,000,000
Investments	14,144,000,000		14,399,000,000
Recurring | Gross inventory | Foreign government
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	80,514,000,000		79,551,000,000
Investments	89,277,000,000		84,514,000,000
Recurring | Gross inventory | Corporate
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	39,822,000,000		37,026,000,000
Investments	11,974,000,000		10,257,000,000
Recurring | Gross inventory | Equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	45,961,000,000		33,230,000,000
Investments	2,423,000,000		8,185,000,000
Recurring | Gross inventory | Asset-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	7,293,000,000		7,071,000,000
Investments	10,846,000,000		11,003,000,000
Recurring | Gross inventory | Other debt securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	17,595,000,000		15,027,000,000
Investments	610,000,000		683,000,000
Recurring | Gross inventory | Non-marketable equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Investments	8,842,000,000		8,836,000,000
Recurring | Netting
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Federal funds sold and securities borrowed or purchased under agreements to resell, selected portfolios of securities purchased under agreements to resell and securities borrowed	(48,337,000,000)		(49,873,000,000)
Less: Netting agreements and market value adjustments to assets	(860,083,000,000)		(971,714,000,000)
Total derivatives, assets	(860,083,000,000)		(971,714,000,000)
Netting agreements and market value adjustments	(3,673,000,000)		(3,462,000,000)
Nontrading derivatives and other financial assets measured on a recurring basis	(3,673,000,000)		(3,462,000,000)
Total assets	(912,093,000,000)		(1,025,049,000,000)
Federal funds purchased and securities loaned or sold under agreements to repurchase	(48,337,000,000)		(49,873,000,000)
Netting agreements and market value adjustments to liabilities	(855,576,000,000)		(966,488,000,000)
Total derivatives, liabilities	(855,576,000,000)		(966,488,000,000)
Netting agreements and market value adjustments	(3,673,000,000)		(3,462,000,000)
Nontrading derivatives and other financial liabilities measured on a recurring basis	(3,673,000,000)		(3,462,000,000)
Total liabilities	(907,586,000,000)		(1,019,823,000,000)
Recurring | Fair value
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Federal funds sold and securities borrowed or purchased under agreements to resell, selected portfolios of securities purchased under agreements to resell and securities borrowed	172,435,000,000		142,862,000,000
Trading securities	250,307,000,000		229,407,000,000
Total derivatives, assets	56,743,000,000		62,327,000,000
Investments	279,424,000,000		274,040,000,000
Loans	4,744,000,000		5,265,000,000
Mortgage servicing rights (MSRs)	2,691,000,000		2,569,000,000
Nontrading derivatives and other financial assets measured on a recurring basis	9,413,000,000		13,360,000,000
Total assets	775,757,000,000		729,830,000,000
Interest-bearing deposits	1,327,000,000		1,326,000,000
Federal funds purchased and securities loaned or sold under agreements to repurchase	137,571,000,000		112,770,000,000
Securities sold, not yet purchased	82,202,000,000		69,809,000,000
Total derivatives, liabilities	53,754,000,000		56,273,000,000
Short-term borrowings	1,217,000,000		1,354,000,000
Long-term debt, at fair value	26,700,000,000		24,172,000,000
Nontrading derivatives and other financial liabilities measured on a recurring basis	3,139,000,000		3,742,000,000
Total liabilities	305,910,000,000		269,446,000,000
Recurring | Fair value | Mortgage-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	33,610,000,000		32,739,000,000
Investments	52,134,000,000		51,025,000,000
Recurring | Fair value | U.S. government-sponsored agency guaranteed
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	28,716,000,000		27,535,000,000
Investments	45,102,000,000		45,781,000,000
Recurring | Fair value | Prime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	1,181,000,000		877,000,000
Investments	117,000,000		113,000,000
Recurring | Fair value | Alt-A
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	616,000,000		609,000,000
Investments	1,000,000		1,000,000
Recurring | Fair value | Subprime
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	637,000,000		989,000,000
Recurring | Fair value | Non-U.S. residential
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	621,000,000		396,000,000
Investments	6,426,000,000		4,658,000,000
Recurring | Fair value | Commercial
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	1,839,000,000		2,333,000,000
Investments	488,000,000		472,000,000
Recurring | Fair value | U.S. Treasury and federal agency securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	19,542,000,000		19,399,000,000
Investments	89,174,000,000		85,138,000,000
Recurring | Fair value | U.S. Treasury
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	16,893,000,000		18,227,000,000
Investments	54,915,000,000		50,229,000,000
Recurring | Fair value | Agency obligations
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	2,649,000,000		1,172,000,000
Investments	34,259,000,000		34,909,000,000
Recurring | Fair value | State and municipal securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	5,970,000,000		5,364,000,000
Investments	14,144,000,000		14,399,000,000
Recurring | Fair value | Foreign government
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	80,514,000,000		79,551,000,000
Investments	89,277,000,000		84,514,000,000
Recurring | Fair value | Corporate
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	39,822,000,000		37,026,000,000
Investments	11,974,000,000		10,257,000,000
Recurring | Fair value | Equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	45,961,000,000		33,230,000,000
Investments	2,423,000,000		8,185,000,000
Recurring | Fair value | Asset-backed securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	7,293,000,000		7,071,000,000
Investments	10,846,000,000		11,003,000,000
Recurring | Fair value | Other debt securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Trading securities	17,595,000,000		15,027,000,000
Investments	610,000,000		683,000,000
Recurring | Fair value | Non-marketable equity securities
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Investments	$ 8,842,000,000		$ 8,836,000,000