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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Negative book cash balances	$ 15	$ 47
LIFO Inventories	192	172
Increase in inventory amount, if FIFO would have been used	$ 112	$ 120

Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing.

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