FAIR VALUE MEASUREMENT (Details 2) (USD $) In Millions, unless otherwise specified		3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended	9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended	9 Months Ended	3 Months Ended				9 Months Ended			3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended			3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended			9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended	9 Months Ended						3 Months Ended			9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended	9 Months Ended			3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended			3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Trading account assets and liabilities		Sep. 30, 2013 Trading account assets and liabilities		Sep. 30, 2014 Trading account assets and liabilities		Sep. 30, 2013 Trading account assets and liabilities		Sep. 30, 2014 Trading account assets and liabilities Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Interest rate contracts		Sep. 30, 2013 Trading account assets and liabilities Interest rate contracts		Sep. 30, 2014 Trading account assets and liabilities Interest rate contracts		Sep. 30, 2013 Trading account assets and liabilities Interest rate contracts		Sep. 30, 2014 Trading account assets and liabilities Interest rate contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Interest rate contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Interest rate contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Interest rate contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Foreign exchange contracts		Sep. 30, 2013 Trading account assets and liabilities Foreign exchange contracts		Sep. 30, 2014 Trading account assets and liabilities Foreign exchange contracts		Sep. 30, 2013 Trading account assets and liabilities Foreign exchange contracts		Sep. 30, 2014 Trading account assets and liabilities Foreign exchange contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Foreign exchange contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Foreign exchange contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Foreign exchange contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Equity contracts		Sep. 30, 2013 Trading account assets and liabilities Equity contracts		Sep. 30, 2014 Trading account assets and liabilities Equity contracts		Sep. 30, 2013 Trading account assets and liabilities Equity contracts		Sep. 30, 2014 Trading account assets and liabilities Equity contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Equity contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Equity contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Equity contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Commodity contracts		Sep. 30, 2013 Trading account assets and liabilities Commodity contracts		Sep. 30, 2014 Trading account assets and liabilities Commodity contracts		Sep. 30, 2013 Trading account assets and liabilities Commodity contracts		Sep. 30, 2014 Trading account assets and liabilities Commodity contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Commodity contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Commodity contracts Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Commodity contracts Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Credit derivatives		Sep. 30, 2013 Trading account assets and liabilities Credit derivatives		Sep. 30, 2014 Trading account assets and liabilities Credit derivatives		Sep. 30, 2013 Trading account assets and liabilities Credit derivatives		Sep. 30, 2014 Trading account assets and liabilities Credit derivatives Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Credit derivatives Principal transactions		Sep. 30, 2014 Trading account assets and liabilities Credit derivatives Principal transactions		Sep. 30, 2013 Trading account assets and liabilities Credit derivatives Principal transactions		Sep. 30, 2014 Interest-bearing deposits		Sep. 30, 2013 Interest-bearing deposits		Sep. 30, 2014 Interest-bearing deposits		Sep. 30, 2013 Interest-bearing deposits		Sep. 30, 2014 Interest-bearing deposits Other		Sep. 30, 2013 Interest-bearing deposits Other		Sep. 30, 2014 Interest-bearing deposits Other		Sep. 30, 2013 Interest-bearing deposits Other		Sep. 30, 2014 Federal funds purchased and securities loaned or sold under agreements to repurchase		Sep. 30, 2013 Federal funds purchased and securities loaned or sold under agreements to repurchase		Sep. 30, 2014 Federal funds purchased and securities loaned or sold under agreements to repurchase		Sep. 30, 2013 Federal funds purchased and securities loaned or sold under agreements to repurchase		Sep. 30, 2014 Federal funds purchased and securities loaned or sold under agreements to repurchase Principal transactions	Sep. 30, 2013 Federal funds purchased and securities loaned or sold under agreements to repurchase Principal transactions	Sep. 30, 2014 Federal funds purchased and securities loaned or sold under agreements to repurchase Principal transactions	Sep. 30, 2013 Federal funds purchased and securities loaned or sold under agreements to repurchase Principal transactions	Sep. 30, 2014 Trading account liabilities Securities sold, not yet purchased		Sep. 30, 2013 Trading account liabilities Securities sold, not yet purchased	Sep. 30, 2014 Trading account liabilities Securities sold, not yet purchased		Sep. 30, 2013 Trading account liabilities Securities sold, not yet purchased		Sep. 30, 2014 Trading account liabilities Securities sold, not yet purchased Principal transactions	Sep. 30, 2013 Trading account liabilities Securities sold, not yet purchased Principal transactions	Sep. 30, 2014 Trading account liabilities Securities sold, not yet purchased Principal transactions	Sep. 30, 2013 Trading account liabilities Securities sold, not yet purchased Principal transactions	Sep. 30, 2014 Short-term borrowings		Sep. 30, 2013 Short-term borrowings		Sep. 30, 2014 Short-term borrowings		Sep. 30, 2013 Short-term borrowings		Sep. 30, 2013 Short-term borrowings Principal transactions	Sep. 30, 2014 Short-term borrowings Principal transactions	Sep. 30, 2013 Short-term borrowings Principal transactions	Sep. 30, 2014 Long-term debt		Sep. 30, 2013 Long-term debt		Sep. 30, 2014 Long-term debt		Sep. 30, 2013 Long-term debt		Sep. 30, 2014 Long-term debt Principal transactions	Sep. 30, 2013 Long-term debt Principal transactions	Sep. 30, 2014 Long-term debt Principal transactions	Sep. 30, 2013 Long-term debt Principal transactions	Sep. 30, 2014 Long-term debt Other		Sep. 30, 2013 Long-term debt Other		Sep. 30, 2014 Long-term debt Other		Sep. 30, 2013 Long-term debt Other		Sep. 30, 2013 Long-term debt Commodity contracts	Sep. 30, 2013 Long-term debt Commodity contracts	Sep. 30, 2014 Other financial liabilities		Sep. 30, 2013 Other financial liabilities		Sep. 30, 2014 Other financial liabilities	Sep. 30, 2013 Other financial liabilities		Sep. 30, 2014 Other financial liabilities Other		Sep. 30, 2013 Other financial liabilities Other		Sep. 30, 2014 Other financial liabilities Other		Sep. 30, 2013 Other financial liabilities Other		Sep. 30, 2014 Federal funds sold and securities borrowed or purchased under agreements to resell		Sep. 30, 2013 Federal funds sold and securities borrowed or purchased under agreements to resell		Sep. 30, 2014 Federal funds sold and securities borrowed or purchased under agreements to resell		Sep. 30, 2013 Federal funds sold and securities borrowed or purchased under agreements to resell		Sep. 30, 2014 Federal funds sold and securities borrowed or purchased under agreements to resell Principal transactions	Sep. 30, 2013 Federal funds sold and securities borrowed or purchased under agreements to resell Principal transactions	Sep. 30, 2014 Federal funds sold and securities borrowed or purchased under agreements to resell Principal transactions	Sep. 30, 2013 Federal funds sold and securities borrowed or purchased under agreements to resell Principal transactions	Sep. 30, 2014 Trading non-derivative assets		Sep. 30, 2013 Trading non-derivative assets		Sep. 30, 2014 Trading non-derivative assets		Sep. 30, 2013 Trading non-derivative assets		Sep. 30, 2014 Trading non-derivative assets Principal transactions	Sep. 30, 2013 Trading non-derivative assets Principal transactions	Sep. 30, 2014 Trading non-derivative assets Principal transactions	Sep. 30, 2013 Trading non-derivative assets Principal transactions	Sep. 30, 2014 Trading non-derivative assets U.S. government-sponsored agency guaranteed		Sep. 30, 2013 Trading non-derivative assets U.S. government-sponsored agency guaranteed		Sep. 30, 2014 Trading non-derivative assets U.S. government-sponsored agency guaranteed		Sep. 30, 2013 Trading non-derivative assets U.S. government-sponsored agency guaranteed		Sep. 30, 2014 Trading non-derivative assets U.S. government-sponsored agency guaranteed Principal transactions	Sep. 30, 2013 Trading non-derivative assets U.S. government-sponsored agency guaranteed Principal transactions	Sep. 30, 2014 Trading non-derivative assets U.S. government-sponsored agency guaranteed Principal transactions	Sep. 30, 2013 Trading non-derivative assets U.S. government-sponsored agency guaranteed Principal transactions	Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Residential		Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Residential		Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Residential		Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Residential		Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Residential Principal transactions	Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Residential Principal transactions	Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Residential Principal transactions	Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Residential Principal transactions	Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Commercial		Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Commercial		Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Commercial		Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Commercial		Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Commercial Principal transactions	Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Commercial Principal transactions	Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities - Commercial Principal transactions	Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities - Commercial Principal transactions	Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities		Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities		Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities		Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities		Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets Mortgage-backed securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Mortgage-backed securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets U.S. Treasury and federal agency securities	Sep. 30, 2013 Trading non-derivative assets U.S. Treasury and federal agency securities		Sep. 30, 2014 Trading non-derivative assets U.S. Treasury and federal agency securities	Sep. 30, 2013 Trading non-derivative assets U.S. Treasury and federal agency securities	Sep. 30, 2014 Trading non-derivative assets U.S. Treasury and federal agency securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets State and municipal securities		Sep. 30, 2013 Trading non-derivative assets State and municipal securities		Sep. 30, 2014 Trading non-derivative assets State and municipal securities		Sep. 30, 2013 Trading non-derivative assets State and municipal securities		Sep. 30, 2014 Trading non-derivative assets State and municipal securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets State and municipal securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets State and municipal securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets State and municipal securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets Foreign government		Sep. 30, 2013 Trading non-derivative assets Foreign government		Sep. 30, 2014 Trading non-derivative assets Foreign government		Sep. 30, 2013 Trading non-derivative assets Foreign government		Sep. 30, 2014 Trading non-derivative assets Foreign government Principal transactions	Sep. 30, 2013 Trading non-derivative assets Foreign government Principal transactions	Sep. 30, 2014 Trading non-derivative assets Foreign government Principal transactions	Sep. 30, 2013 Trading non-derivative assets Foreign government Principal transactions	Sep. 30, 2014 Trading non-derivative assets Corporate		Sep. 30, 2013 Trading non-derivative assets Corporate		Sep. 30, 2014 Trading non-derivative assets Corporate		Sep. 30, 2013 Trading non-derivative assets Corporate		Sep. 30, 2014 Trading non-derivative assets Corporate Principal transactions	Sep. 30, 2013 Trading non-derivative assets Corporate Principal transactions	Sep. 30, 2014 Trading non-derivative assets Corporate Principal transactions	Sep. 30, 2013 Trading non-derivative assets Corporate Principal transactions	Sep. 30, 2014 Trading non-derivative assets Equity securities		Sep. 30, 2013 Trading non-derivative assets Equity securities		Sep. 30, 2014 Trading non-derivative assets Equity securities		Sep. 30, 2013 Trading non-derivative assets Equity securities		Sep. 30, 2014 Trading non-derivative assets Equity securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Equity securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets Equity securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Equity securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets Asset-backed securities		Sep. 30, 2013 Trading non-derivative assets Asset-backed securities		Sep. 30, 2014 Trading non-derivative assets Asset-backed securities		Sep. 30, 2013 Trading non-derivative assets Asset-backed securities		Sep. 30, 2014 Trading non-derivative assets Asset-backed securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Asset-backed securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets Asset-backed securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Asset-backed securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets Other debt securities		Sep. 30, 2013 Trading non-derivative assets Other debt securities		Sep. 30, 2014 Trading non-derivative assets Other debt securities		Sep. 30, 2013 Trading non-derivative assets Other debt securities		Sep. 30, 2014 Trading non-derivative assets Other debt securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Other debt securities Principal transactions	Sep. 30, 2014 Trading non-derivative assets Other debt securities Principal transactions	Sep. 30, 2013 Trading non-derivative assets Other debt securities Principal transactions	Sep. 30, 2014 Investments		Sep. 30, 2013 Investments		Sep. 30, 2014 Investments		Sep. 30, 2013 Investments		Sep. 30, 2014 Investments Other		Sep. 30, 2013 Investments Other		Sep. 30, 2014 Investments Other		Sep. 30, 2013 Investments Other		Sep. 30, 2014 Investments U.S. government-sponsored agency guaranteed	Sep. 30, 2013 Investments U.S. government-sponsored agency guaranteed		Sep. 30, 2014 Investments U.S. government-sponsored agency guaranteed		Sep. 30, 2013 Investments U.S. government-sponsored agency guaranteed		Sep. 30, 2014 Investments U.S. government-sponsored agency guaranteed Other		Sep. 30, 2013 Investments U.S. government-sponsored agency guaranteed Other		Sep. 30, 2014 Investments U.S. government-sponsored agency guaranteed Other		Sep. 30, 2013 Investments U.S. government-sponsored agency guaranteed Other		Sep. 30, 2014 Investments Mortgage-backed securities - Residential	Sep. 30, 2014 Investments Mortgage-backed securities - Residential	Sep. 30, 2013 Investments Mortgage-backed securities - Residential	Sep. 30, 2014 Investments Mortgage-backed securities - Residential Other		Sep. 30, 2013 Investments Mortgage-backed securities - Residential Other		Sep. 30, 2014 Investments Mortgage-backed securities - Commercial		Sep. 30, 2013 Investments Mortgage-backed securities - Commercial	Sep. 30, 2014 Investments Mortgage-backed securities - Commercial	Sep. 30, 2013 Investments Mortgage-backed securities - Commercial	Sep. 30, 2014 Investments Mortgage-backed securities		Sep. 30, 2013 Investments Mortgage-backed securities		Sep. 30, 2014 Investments Mortgage-backed securities		Sep. 30, 2013 Investments Mortgage-backed securities		Sep. 30, 2014 Investments Mortgage-backed securities Other		Sep. 30, 2013 Investments Mortgage-backed securities Other		Sep. 30, 2014 Investments Mortgage-backed securities Other		Sep. 30, 2013 Investments Mortgage-backed securities Other		Sep. 30, 2014 Investments U.S. Treasury and federal agency securities	Sep. 30, 2014 Investments U.S. Treasury and federal agency securities	Sep. 30, 2013 Investments U.S. Treasury and federal agency securities	Jun. 30, 2013 Investments U.S. Treasury and federal agency securities	Sep. 30, 2014 Investments State and municipal securities		Sep. 30, 2013 Investments State and municipal securities		Sep. 30, 2014 Investments State and municipal securities		Sep. 30, 2013 Investments State and municipal securities		Sep. 30, 2014 Investments State and municipal securities Other		Sep. 30, 2013 Investments State and municipal securities Other		Sep. 30, 2014 Investments State and municipal securities Other		Sep. 30, 2013 Investments State and municipal securities Other		Sep. 30, 2014 Investments Foreign government		Sep. 30, 2013 Investments Foreign government		Sep. 30, 2014 Investments Foreign government	Sep. 30, 2013 Investments Foreign government		Sep. 30, 2014 Investments Foreign government Other		Sep. 30, 2013 Investments Foreign government Other		Sep. 30, 2014 Investments Foreign government Other		Sep. 30, 2013 Investments Foreign government Other		Sep. 30, 2014 Investments Corporate		Sep. 30, 2013 Investments Corporate		Sep. 30, 2014 Investments Corporate		Sep. 30, 2013 Investments Corporate		Sep. 30, 2014 Investments Corporate Other		Sep. 30, 2013 Investments Corporate Other		Sep. 30, 2014 Investments Corporate Other		Sep. 30, 2013 Investments Corporate Other		Sep. 30, 2014 Investments Equity securities		Sep. 30, 2013 Investments Equity securities		Sep. 30, 2014 Investments Equity securities		Sep. 30, 2013 Investments Equity securities		Sep. 30, 2014 Investments Equity securities Other		Sep. 30, 2013 Investments Equity securities Other		Sep. 30, 2014 Investments Equity securities Other		Sep. 30, 2013 Investments Equity securities Other		Sep. 30, 2014 Investments Asset-backed securities		Sep. 30, 2013 Investments Asset-backed securities		Sep. 30, 2014 Investments Asset-backed securities		Sep. 30, 2013 Investments Asset-backed securities		Sep. 30, 2014 Investments Asset-backed securities Other		Sep. 30, 2013 Investments Asset-backed securities Other		Sep. 30, 2014 Investments Asset-backed securities Other		Sep. 30, 2013 Investments Asset-backed securities Other		Sep. 30, 2014 Investments Other debt securities	Sep. 30, 2013 Investments Other debt securities	Sep. 30, 2014 Investments Other debt securities	Sep. 30, 2013 Investments Other debt securities	Sep. 30, 2014 Investments Other debt securities Other		Sep. 30, 2014 Investments Non-marketable equity securities		Sep. 30, 2013 Investments Non-marketable equity securities		Sep. 30, 2014 Investments Non-marketable equity securities		Sep. 30, 2013 Investments Non-marketable equity securities		Sep. 30, 2014 Investments Non-marketable equity securities Other		Sep. 30, 2013 Investments Non-marketable equity securities Other		Sep. 30, 2014 Investments Non-marketable equity securities Other		Sep. 30, 2013 Investments Non-marketable equity securities Other		Sep. 30, 2014 Loans		Sep. 30, 2013 Loans		Sep. 30, 2014 Loans		Sep. 30, 2013 Loans		Sep. 30, 2014 Loans Other		Sep. 30, 2013 Loans Other		Sep. 30, 2014 Loans Other		Sep. 30, 2013 Loans Other		Sep. 30, 2014 Mortgage servicing rights		Sep. 30, 2013 Mortgage servicing rights		Sep. 30, 2014 Mortgage servicing rights		Sep. 30, 2013 Mortgage servicing rights		Sep. 30, 2014 Mortgage servicing rights Other		Sep. 30, 2013 Mortgage servicing rights Other		Sep. 30, 2014 Mortgage servicing rights Other		Sep. 30, 2013 Mortgage servicing rights Other		Sep. 30, 2014 Other financial assets measured on a recurring basis		Sep. 30, 2013 Other financial assets measured on a recurring basis		Sep. 30, 2014 Other financial assets measured on a recurring basis		Sep. 30, 2013 Other financial assets measured on a recurring basis		Sep. 30, 2014 Other financial assets measured on a recurring basis Other		Sep. 30, 2013 Other financial assets measured on a recurring basis Other		Sep. 30, 2014 Other financial assets measured on a recurring basis Other		Sep. 30, 2013 Other financial assets measured on a recurring basis Other
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	$ 7																																																																																																																																																																																								$ 3,363		$ 4,177		$ 3,566		$ 5,043						$ 14,940		$ 13,862		$ 15,260		$ 13,823						$ 697		$ 1,704		$ 1,094		$ 1,325						$ 2,610		$ 2,938		$ 2,854		$ 1,805						$ 409		$ 326		$ 256		$ 1,119						$ 3,716		$ 4,968		$ 4,204		$ 4,249												$ 242		$ 241		$ 222		$ 195						$ 465		$ 240		$ 416		$ 311						$ 1,262		$ 1,688		$ 1,835		$ 2,030						$ 1,863		$ 190		$ 1,057		$ 264						$ 3,376		$ 4,259		$ 4,342		$ 4,453						$ 4,016		$ 2,276		$ 3,184		$ 2,321						$ 9,758		$ 9,838		$ 9,741		$ 11,907										$ 163	$ 420		$ 187		$ 1,458										$ 17	$ 102	$ 205					$ 7		$ 3			$ 187		$ 423		$ 289		$ 1,663										$ 7	$ 8	$ 12	$ 9	$ 2,102		$ 684		$ 1,643		$ 849										$ 615		$ 367		$ 344	$ 383										$ 512		$ 404		$ 285		$ 385										$ 826		$ 779		$ 815		$ 773										$ 1,739		$ 1,758		$ 1,960		$ 2,220										$ 48	$ 51	$ 50	$ 258			$ 3,722		$ 5,363		$ 4,347		$ 5,364										$ 3,310		$ 4,321		$ 4,143		$ 4,931										$ 2,282		$ 2,524		$ 2,718		$ 1,942										$ 201		$ 245		$ 181		$ 2,452
Net realized/unrealized gains (losses) included in principal transactions																																																																																																																																																																																																	116	70	37	(93)									590	354	1,401	1,345									22	43	120	119									63	99	380	457									7	24	18	116									92	166	518	692						3									7	9	11	28									(40)	(3)	(56)	(5)									83	62	1	32									(2)	(38)	(215)	(34)									394	99	1,002	467									56	59	137	165
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets																																																																																																																																																																																																																																																																																																																																																							27	[1],[2]	173	[1],[2]	232	[1],[2]	414	[1],[2]								2	[1],[2]	(12)	[1],[2]	47	[1],[2]	(10)	[1],[2]				33	[1],[2]	23	[1],[2]														2	[1],[2]	(12)	[1],[2]	80	[1],[2]	13	[1],[2]													37	[1],[2]	6	[1],[2]	102	[1],[2]	4	[1],[2]								(8)	[1],[2]	3	[1],[2]	(13)	[1],[2]	(1)	[1],[2]									(18)	[1],[2]	17	[1],[2]	(5)	[1],[2]	14	[1],[2]									18	[1],[2]	34	[1],[2]	30	[1],[2]	31	[1],[2]									4	[1],[2]	14	[1],[2]	15	[1],[2]	64	[1],[2]					(1)	[1],[2]									(8)	[1],[2]	111	[1],[2]	24	[1],[2]	289	[1],[2]									(31)	[1],[2]	(19)	[1],[2]	(183)	[1],[2]	(97)	[1],[2]									(18)	[1],[2]	(6)	[1],[2]	(233)	[1],[2]	411	[1],[2]									14	[1],[2]	45	[1],[2]	39	[1],[2]	51	[1],[2]
Transfers into Level 3																																																																																																																																																																																											29		67		627						1,532		805		3,772		2,847						217		295		594		1,032						86		61		239		378						84		109		160		264						387		465		993		1,674							54			54		4		2		149		2						31		7		117		60						141		129		394		267						123		132		159		180						37		14		120		100						809		2		1,840		510						96		191		1,161		3,763										18	80		53		1,977										1	31	60							1	4	4	19		81		88		2,041														67		5		784		12												63		182	168										4		42		22		333										6				18		17																1,192																				67												8				92		353																										(83)				(83)		1
Transfers out of Level 3, assets																																																																																																																																																																																											(534)		(8)		(1,852)						(1,147)		(1,076)		(4,102)		(3,550)						(145)		(453)		(743)		(1,158)						(77)		(132)		(359)		(344)						(58)		(54)		(120)		(238)						(280)		(639)		(1,222)		(1,740)												(1)				(105)								(64)				(166)		(61)						(104)		(240)		(444)		(340)						(35)		(25)		(95)		(184)						(56)		(88)		(284)		(143)						(607)		(84)		(1,786)		(1,082)						(364)		(427)		(981)		(6,377)										(83)	(371)		(137)		(3,721)											(1)	(265)					(4)			(4)	(12)	(87)		(371)		(142)		(3,998)														(69)				(534)		(117)										(63)		(55)		(105)	(256)										(136)				(137)		(116)										(7)		(1)		(19)		(1)										(2)				(44)		(1,684)													(205)																							6
Purchases, assets																																																																																																																																																																																											25		75		42						4,318		3,569		13,906		12,858						97		160		358		1,129						197		1,049		1,877		2,947						288		58		524		204						582		1,267		2,759		4,280						7			7			15		11		33		86						212		83		571		200						471		408		1,742		1,787						119		331		1,305		471						1,219		748		2,921		3,780						1,693		721		4,568		2,254						748		536		2,608		3,126											44		17		514											17	117					7			10	12	7		44		44		643														271		54		769		261										294		105		623	394										23		85		289		101										2				8		1												180		55		1,105										66		116				85		68		704		621										287				553		59																														1		216
Issuance, assets																																																																																																																																																																																																					6		6		13		61						6		6		13		61																														6		6		13		61																																																																																																																																																																																																																																																								19		631		84		644										53		166		165		543										35		107		122		447
Sales, assets																																																																																																																																																																																																					(4,245)		(3,554)		(14,158)		(12,023)						(89)		(320)		(606)		(1,027)						(389)		(1,320)		(2,501)		(2,541)						(176)		(84)		(284)		(1,069)						(654)		(1,724)		(3,391)		(4,637)									(3)			(16)		(8)		(59)		(56)						(241)		(85)		(519)		(263)						(685)		(642)		(2,353)		(1,461)						(113)		(33)		(256)		(140)						(1,619)		(964)		(4,750)		(4,372)						(917)		(98)		(2,827)		(1,094)						(666)		(353)		(1,773)		(1,040)										(7)	(37)		(73)		(37)										(5)	(169)	(140)										(12)		(37)		(242)		(177)										(1)	(2)	(3)		(124)		(23)		(480)		(158)										(198)		(140)		(305)	(291)										(147)		(75)		(196)		(222)										(84)		(13)		(91)		(22)												(14)		(97)		(31)										(49)	(51)	(50)	(53)			(51)				(310)		(83)										(513)				(630)		(6)										(125)				(260)		(1)										(1)		(31)		(10)		(2,041)
Settlements, assets																																																																																																																																																																																													(258)								(259)		(250)		(357)		(1,645)						(16)		(195)		(41)		(241)												(7)												(17)						(16)		(195)		(41)		(265)																								22				22								46		(4)		39		(914)																								(217)						(311)		(51)		(377)		(249)						(1,571)		(553)		(2,960)		(2,388)										(1)			(2)		(57)																						(1)				(2)		(57)																				(125)										(20)		(17)		(106)	(71)										124		(1)		104		(23)																										(1,157)		(95)		(1,305)		(1,023)												(50)				(517)		(440)		(1,601)		(1,089)										(132)		(600)		(1,117)		(1,551)										(99)		(104)		(297)		(315)										(58)		(96)		(142)		(856)
Balance at end of period, asset	7																																																																																																																																																																																								3,479		3,767		3,479		3,767						15,735		13,716		15,735		13,716						789		1,240		789		1,240						2,490		2,695		2,490		2,695						554		379		554		379						3,833		4,314		3,833		4,314						7	54		7	54		251		255		251		255						385		242		385		242						1,214		1,401		1,214		1,401						1,955		557		1,955		557						3,351		4,068		3,351		4,068						4,739		2,825		4,739		2,825						8,028		9,405		8,028		9,405										92	124		92		124										13	13						10		4	10	4	115		128		115		128										6	6	9	9	2,284		726		2,284		726										620		326		620	326										362		472		362		472										761		799		761		799										584		1,843		584		1,843										65		65				3,231		5,102		3,231		5,102										2,948		4,333		2,948		4,333										2,093		2,580		2,093		2,580										108		270		108		270
Unrealized gains (losses) still held, assets																																																																																																																																																																																									130	[3]	(5)	[4]	153	[3]	476	[4]					(6)	[3]	207	[4]	410	[3]	224	[4]					18	[3]	4	[4]	27	[3]	47	[4]					(4)	[3]	16	[4]	108	[3]	107	[4]					(4)	[3]	(48)	[4]	1	[3]	7	[4]					10	[3]	(28)	[4]	136	[3]	161	[4]						2	[4]		2		6	[3]	4	[4]	(17)	[3]	2	[4]					(13)	[3]	1	[4]	18	[3]	1	[4]					(42)	[3]	44	[4]	19	[3]	(375)	[4]					34	[3]	72	[4]	22	[3]	347	[4]					33	[3]	100	[4]	246	[3]	80	[4]					(34)	[3]	12	[4]	(14)	[3]	6	[4]					(25)	[3]	153	[4]	126	[3]	279	[4]										9	[4]	(3)	[3]	9	[4]																2	[3]		2		2	[3]	9	[4]	(1)	[3]	9	[4]													6	[3]	2	[4]	72	[3]	(3)	[4]									(9)	[3]	(28)	[4]	(2)	(36)	[4]									(4)	[3]	8	[4]	(8)	[3]	4	[4]									(23)	[3]	33	[4]	(1)	[3]	30	[4]									(39)	[3]	29	[4]	0	[3]	4	[4]															42	[3]	100	[4]	66	[3]	271	[4]									2	[3]	(33)	[4]	17	[3]	(99)	[4]									(18)	[3]	(10)	[4]	(216)	[3]	181	[4]									(2)	[3]	41	[4]	(20)	[3]	266	[4]
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net		(1,457)	[5]	99	[5]	(991)	[5]	(2,380)	[5]									17	[5]	1,083	[5]	839	[5]	181	[5]									847	[5]	367	[5]	695	[5]											(893)	[5]	(1,092)	[5]	(858)	[5]	(1,448)	[5]									(1,229)	[5]	(218)	[5]	(1,393)	[5]	(771)	[5]									(199)	[5]	(41)	[5]	(274)	[5]	(342)	[5]
Net realized/unrealized gains (losses) included in earnings										(518)	[5]	(284)	[5]	(742)	[5]	865	[5]									76	[5]	232	[5]	(508)	[5]	544	[5]									8	[5]	39	[5]	105	[5]	350	[5]									8	[5]	(224)	[5]	250	[5]	37	[5]									(388)	[5]	(223)	[5]	(140)	[5]	188	[5]									(222)	[5]	(108)	[5]	(449)	[5]	(254)	[5]
Transfers into Level 3		(374)	[5]	(49)	[5]	(851)	[5]	823	[5]									(194)	[5]	(47)	[5]	(42)	[5]	702	[5]									7	[5]	(1)	[5]	28	[5]	29	[5]									(171)	[5]	(13)	[5]	(762)	[5]	(37)	[5]											(12)	[5]	25	[5]	(5)	[5]									(16)	[5]	24	[5]	(100)	[5]	134	[5]
Transfers out of Level 3		(39)	[5]	(723)	[5]	144	[5]	(439)	[5]									7	[5]	(121)	[5]	(117)	[5]	(13)	[5]									(73)	[5]	(9)	[5]	(43)	[5]	(6)	[5]									143	[5]	(46)	[5]	473	[5]	300	[5]									(27)	[5]	(541)	[5]	(35)	[5]	(536)	[5]									(89)	[5]	(6)	[5]	(134)	[5]	(184)	[5]
Purchases		179	[5]	138	[5]	587	[5]	439	[5]									52	[5]	65	[5]	94	[5]	208	[5]									3	[5]	6	[5]	4	[5]	21	[5]									124	[5]	60	[5]	386	[5]	176	[5]															15	[5]											7	[5]	103	[5]	19	[5]
Sales		(108)	[5]	(103)	[5]	(347)	[5]	(274)	[5]									(52)	[5]	(33)	[5]	(150)	[5]	(115)	[5]									(1)	[5]	(1)	[5]	(2)	[5]	(9)	[5]									(55)	[5]	(69)	[5]	(192)	[5]	(125)	[5]															(25)	[5]													(3)	[5]
Settlements		(107)	[5]	217	[5]	(224)	[5]	261	[5]									32	[5]	156	[5]	(178)	[5]	(172)	[5]									(14)	[5]			(10)	[5]	16	[5]									(215)	[5]	53	[5]	(356)	[5]	(234)	[5]									97	[5]	(76)	[5]	(4)	[5]	64	[5]									(7)	[5]	84	[5]	324	[5]	587	[5]
Balance at end of period, asset (liability), net		(2,424)	[5]	(705)	[5]	(2,424)	[5]	(705)	[5]									(62)	[5]	1,335	[5]	(62)	[5]	1,335	[5]									777	[5]	401	[5]	777	[5]	401	[5]									(1,059)	[5]	(1,331)	[5]	(1,059)	[5]	(1,331)	[5]									(1,547)	[5]	(1,070)	[5]	(1,547)	[5]	(1,070)	[5]									(533)	[5]	(40)	[5]	(533)	[5]	(40)	[5]
Unrealized gains (losses) still held		(590)	[3],[5]	(1,106)	[4],[5]	(551)	[3],[5]	(741)	[4],[5]									94	[3],[5]	530	[4],[5]	(11)	[3],[5]	1,430	[4],[5]									43	[3],[5]	(15)	[4],[5]	67	[3],[5]	(183)	[4],[5]									(235)	[3],[5]	(814)	[4],[5]	(402)	[3],[5]	(1,652)	[4],[5]									(228)	[3],[5]	(332)	[4],[5]	(9)	[3],[5]	108	[4],[5]									(264)	[3],[5]	(475)	[4],[5]	(196)	[3],[5]	(444)	[4],[5]
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability																																																																																																		909		831		890		786										1,032		1,007		902		841						472		450	590		365						129		335		29		112					7,847		6,811		7,621		6,726																6		95		10	24
Net realized/unrealized gains (losses) included in earnings, liabilities																																																																																																																										13	14	4	74								(1)	40	14	51									(1)	(31)	25									520	(309)	139	62
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities																																																																																																										184	[1],[2]	(19)	[1],[2]	94	[1],[2]	(86)	[1],[2]																																															0	[1],[2]	44	[1],[2]	49	[1],[2]	113	[1],[2]										(2)	[1],[2]	(23)	[1],[2]	(3)	[1],[2]	(208)	[1],[2]
Transfers into Level 3, liabilities																																																																																																								22												15		54		216						19		30	68		54						1		2		81		2					476		1,651		2,089		3,016														1,300	1,300					4	5
Transfers out of Level 3, liabilities																																																																																																		(12)				(12)																		(15)						(40)		(10)	(91)		(21)												(4)					(760)		(1,016)		(2,998)		(2,030)																					(2)
Purchases, liability																																																																																																																						78																							8																																	(1)	(3)
Issuance, liability																																																																																																		117		23		117		86																																	23		25		24		316					1,419		54		3,365		959																		10		1	100
Sales, liability																																																																																																																		117				106		40						149		182	443		358																							(1)																				(3)
Settlements, liability																																																																																																		(25)		(5)		(96)		(112)										(102)		(113)		(102)		(113)						(233)		(136)	(628)		(229)						(52)		(200)		(72)		(238)					(904)		(316)		(2,331)		(1,046)																(1)		(111)		(7)	(315)
Balance at end of period, liability																																																																																																		805		868		805		868										1,034		895		1,034		895						368		476	368		476						101		163		101		163					7,558		7,449		7,558		7,449																7		17		7	17
Unrealized gains (losses) still held, liabilities																																																																																																		$ 20	[3]	$ (8)	[4]	$ (31)	[3]	$ (298)	[4]									$ 5	[3]	$ 6	[4]	$ (18)	[3]	$ 35	[4]					$ (11)	[3]		$ (19)	[3]	$ 132	[4]					$ (8)	[3]	$ (42)	[4]	$ (15)	[3]	$ (40)	[4]				$ 215	[3]	$ (349)	[4]	$ (205)	[3]	$ (1,027)	[4]															$ (1)	[3]	$ (23)	[4]	$ (1)	$ (26)	[4]

[1] Changes in fair value for available-for-sale investments are recorded in Accumulated other comprehensive income (loss), unless other-than-temporarily impaired, while gains and losses from sales are recorded in Realized gains (losses) from sales of investments on the Consolidated Statement of Income.

[2] Unrealized gains (losses) on MSRs are recorded in Other revenue on the Consolidated Statement of Income.

[3] Represents the amount of total gains or losses for the period, included in earnings (and Accumulated other comprehensive income (loss) for changes in fair value of available-for-sale investments), attributable to the change in fair value relating to assets and liabilities classified as Level 3 that are still held at September 30, 2014.

[4] Represents the amount of total gains or losses for the period, included in earnings (and Accumulated other comprehensive income (loss) for changes in fair value of available-for-sale investments), attributable to the change in fair value relating to assets and liabilities classified as Level 3 that are still held at September 30, 2013.

[5] Total Level 3 derivative assets and liabilities have been netted in these tables for presentation purposes only.