GUARANTEES AND COMMITMENTS (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2014 trust		Dec. 31, 2013 trust
Maximum potential amount of future payments
Expire Within One Year	$ 239,400,000,000		$ 207,500,000,000
Expire After One Year	196,300,000,000		174,500,000,000
Total amount outstanding	435,700,000,000		382,000,000,000
Carrying value	1,764,000,000		1,343,000,000
Compensation for standard representations and warranties	0
Stated or notional amounts included in the indemnification clauses	0
Liability related to VTNs	0		0
Number of trusts funded by the reinsurer	2		2
Fair value of securities in trusts funded by reinsurer relating to indemnification	6,100,000,000		5,400,000,000
Liability related to long-term care insurance indemnification	0		0
Cash collateral available to reimburse losses realized under guarantees and indemnifications	63,000,000,000		52,000,000,000
Securities and other marketable assets held as collateral, the majority of which collateral is held to reimburse losses realized under securities lending indemnifications	49,000,000,000		39,000,000,000
Letters of credit in favor of the Company held as collateral	3,800,000,000		5,300,000,000
Investment Grade
Maximum potential amount of future payments
Total amount outstanding	120,100,000,000		119,800,000,000
Non-Investment Grade
Maximum potential amount of future payments
Total amount outstanding	19,700,000,000		18,500,000,000
Not rated
Maximum potential amount of future payments
Total amount outstanding	295,900,000,000		243,700,000,000
Financial standby letters of credit
Maximum potential amount of future payments
Expire Within One Year	24,600,000,000		28,800,000,000
Expire After One Year	73,200,000,000		71,400,000,000
Total amount outstanding	97,800,000,000		100,200,000,000
Carrying value	257,000,000		429,000,000
Financial standby letters of credit | Investment Grade
Maximum potential amount of future payments
Total amount outstanding	72,400,000,000		76,200,000,000
Financial standby letters of credit | Non-Investment Grade
Maximum potential amount of future payments
Total amount outstanding	15,400,000,000		14,800,000,000
Financial standby letters of credit | Not rated
Maximum potential amount of future payments
Total amount outstanding	10,000,000,000		9,200,000,000
Performance guarantees
Maximum potential amount of future payments
Expire Within One Year	7,200,000,000		7,600,000,000
Expire After One Year	4,700,000,000		4,900,000,000
Total amount outstanding	11,900,000,000		12,500,000,000
Carrying value	33,000,000		42,000,000
Performance guarantees | Investment Grade
Maximum potential amount of future payments
Total amount outstanding	6,900,000,000		7,400,000,000
Performance guarantees | Non-Investment Grade
Maximum potential amount of future payments
Total amount outstanding	4,100,000,000		3,600,000,000
Performance guarantees | Not rated
Maximum potential amount of future payments
Total amount outstanding	900,000,000		1,500,000,000
Derivative instruments considered to be guarantees
Maximum potential amount of future payments
Expire Within One Year	15,400,000,000		6,000,000,000
Expire After One Year	77,200,000,000		61,600,000,000
Total amount outstanding	92,600,000,000		67,600,000,000
Carrying value	1,404,000,000		797,000,000
Derivative instruments considered to be guarantees | Not rated
Maximum potential amount of future payments
Total amount outstanding	92,600,000,000		67,600,000,000
Loans sold with recourse
Maximum potential amount of future payments
Expire After One Year	200,000,000		300,000,000
Total amount outstanding	200,000,000		300,000,000
Carrying value	16,000,000		22,000,000
Repurchase reserve for Consumer mortgages representations and warranties	225,000,000		341,000,000
Loans sold with recourse | Not rated
Maximum potential amount of future payments
Total amount outstanding	200,000,000		300,000,000
Securities lending indemnifications
Maximum potential amount of future payments
Expire Within One Year	105,700,000,000	[1]	79,200,000,000	[1]
Total amount outstanding	105,700,000,000	[1]	79,200,000,000	[1]
Securities lending indemnifications | Not rated
Maximum potential amount of future payments
Total amount outstanding	105,700,000,000		79,200,000,000
Credit card merchant processing
Maximum potential amount of future payments
Expire Within One Year	86,500,000,000	[1]	85,900,000,000	[1]
Total amount outstanding	86,500,000,000	[1]	85,900,000,000	[1]
Maximum potential contingent liability related to bankcard and private-label merchant processing services	87,000,000,000		86,000,000,000
Credit card merchant processing | Not rated
Maximum potential amount of future payments
Total amount outstanding	86,500,000,000		85,900,000,000
Custody indemnifications and other
Maximum potential amount of future payments
Expire After One Year	41,000,000,000		36,300,000,000
Total amount outstanding	41,000,000,000		36,300,000,000
Carrying value	54,000,000		53,000,000
Custody indemnifications and other | Investment Grade
Maximum potential amount of future payments
Total amount outstanding	40,800,000,000		36,200,000,000
Custody indemnifications and other | Non-Investment Grade
Maximum potential amount of future payments
Total amount outstanding	200,000,000		100,000,000
Futures and over-the-counter derivatives clearing
Maximum potential amount of future payments
Number of types of margin	2
Amount of cash initial margin collected and remitted	$ 3,300,000,000		$ 1,400,000,000

[1] The carrying values of securities lending indemnifications and credit card merchant processing were not material for either period presented, as the probability of potential liabilities arising from these guarantees is minimal.