DEBT (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Short-Term Borrowings:
Commercial paper	$ 12,050,000,000	$ 11,470,000,000
Other short-term borrowings	36,143,000,000	40,557,000,000
Total short-term borrowings	48,193,000,000	52,027,000,000
Collateralized short-term advances from Federal Home Loan Bank	3,000,000,000	4,000,000,000
Bank
Short-Term Borrowings:
Commercial paper	11,741,000,000	11,092,000,000
Other non-bank
Short-Term Borrowings:
Commercial paper	$ 309,000,000	$ 378,000,000