GEOGRAPHIC AREAS - Sales by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,596	$ 1,709	$ 1,655	$ 1,405	$ 1,266	$ 1,355	$ 1,345	$ 1,280	$ 6,365	$ 5,246	$ 5,489
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									5,451	4,362	4,377
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									369	363	412
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									108	99	176
Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									30	34	53
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									341	307	382
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									9	10	13
South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									16	23	31
Other foreign countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									41	48	45
Export sales from the U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									515	497	640
Export sales from the U.S. | Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									314	309	350
Export sales from the U.S. | China
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									103	97	174
Export sales from the U.S. | Other foreign countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 98	$ 91	$ 116