BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (DETAIL) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended			0 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 segment	Dec. 31, 2013	Dec. 31, 2012	Feb. 05, 2015
Property Plant And Equipment [Line Items]
Number of Reportable Segments									3
Dividend (dollars per share)									$ 0.64	$ 0	$ 0
Less: Income tax expense (benefit)	$ (4)	$ 27	$ 21	$ (39)	$ (3)	$ 26	$ 39	$ 6	$ 5	$ 68	$ (28)
Cash Flows From Operating Activities									441	407	330
Cash Flows From Financing Activities									142	96	76
Marketing and Advertising Expense									100	105	109
Amortization of Intangible Assets									21	22	21
Precious Metals Depletion Percentage	3.00%								3.00%
Depreciation									283	310	328
Accelerated Depreciation									0	20	0
Restructuring and Related Cost, Accelerated Depreciation									1	9
Foreign Currency Transaction Gain (Loss)									(4)	(3)	5
Other Noncurrent Assets [Member]
Property Plant And Equipment [Line Items]
Investments in Affiliates	53				51				53	51
Minimum [Member] | Building and Building Improvements [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									15 years
Minimum [Member] | Furnaces [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									4 years
Minimum [Member] | Technology Equipment [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									5 years
Minimum [Member] | Equipment [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									5 years
Maximum [Member] | Building and Building Improvements [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									40 years
Maximum [Member] | Furnaces [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									15 years
Maximum [Member] | Technology Equipment [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									10 years
Maximum [Member] | Equipment [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment Estimated Useful Lives									20 years
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Property Plant And Equipment [Line Items]
Impairment of Long-Lived Assets Held for Sale									3
Misclassification Of Non-cash Debt Fair Value Hedge Adjustments [Member]
Property Plant And Equipment [Line Items]
Cash Flows From Operating Activities			11
Cash Flows From Financing Activities			11
Restatement Adjustment [Member]
Property Plant And Equipment [Line Items]
Less: Income tax expense (benefit)	6
Restatement Adjustment [Member] | Misclassification Of Non-cash Debt Fair Value Hedge Adjustments [Member]
Property Plant And Equipment [Line Items]
Cash Flows From Operating Activities										11
Cash Flows From Financing Activities										$ 11
Subsequent Event [Member]
Property Plant And Equipment [Line Items]
Dividend (dollars per share)												$ 0.17