SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)	3 Months Ended	12 Months Ended			3 Months Ended			0 Months Ended
	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 OCC Chapter 7 Bankruptcy Guidance	Sep. 30, 2012 OCC Chapter 7 Bankruptcy Guidance	Jun. 30, 2013 Effect of change in the measurement policy from annually to quarterly	Apr. 02, 2013 Effect of change in the measurement policy from annually to quarterly Pension liability adjustments
New Accounting Pronouncements or Change in Accounting Principle
Reserves released as a result of implementing the prohibition on valuation adjustments	$ 125,000,000
Incremental charge-offs due to implementation of new guidance		12,769,000,000	17,005,000,000	22,699,000,000	(40,000,000)	635,000,000
Percentage of The Significant Plans over global pension and postretirement liabilities, which utilize quarterly measurement policy							80.00%
Pretax decrease in net periodic plan expense							20,000,000
Pretax increase of approximately to accumulated other comprehensive income								22,000,000
Release of loan loss reserve due to implementation of new guidance		(1,961,000,000)	(1,908,000,000)	(8,525,000,000)		(600,000,000)
Reduction in deferred asset cost as a result of adoption of new accounting standards for deferred asset acquisition costs	165,000,000
Deferred tax asset recorded as a result of adoption of new accounting standards for deferred asset acquisition costs	58,000,000	2,734,000,000	1,964,000,000
Change in opening retained earning as a result of adoption of new accounting standards for deferred asset acquisition costs	107,000,000
Net reduction in pretax income due to implementation of new guidance						35,000,000
Increase in TDRs resulted from implementation of new guidance						1,700,000,000
Increase in non-accrual loans resulted from implementation of new guidance						1,500,000,000
Increase in current non-accrual loans resulted from implementation of new guidance						$ 1,300,000,000