SEGMENT INFORMATION - Revenue by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,027	$ 2,012
U.S. and Puerto Rico
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,162	1,211
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	110	58
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	76	90
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	69	41
Egypt
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	66	58
Poland
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	62	73
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	60	54
France
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	54	47
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	42	44
Russia
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	31	34
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	25	23
South Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	20	17
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 250	$ 262