NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Accounting Policies and Other Items
Maximum term of original maturity to classify bank term deposits as cash equivalents	3 months
Allowances for doubtful accounts	$ 13		$ 13
Interest paid	25	23
Income taxes (net of refunds)	$ 3	$ 12
Minimum
NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Investment in other affiliates to be accounted using the equity method (as a percent)	20.00%
Maximum
NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Investment in other affiliates to be accounted using the equity method (as a percent)	50.00%
Ownership interest in other affiliates to be accounted for at cost (as a percent)	20.00%