DEBT, CREDIT FACILITY, AND CAPITAL LEASE OBLIGATIONS (Maturities of Long-term Debt) (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Long-Term Debt Maturities
2018	$ 100
2019	37
2020	80
2021	250
2022	0
Total 2018 - 2022	467
Thereafter	999
Less: Imputed Interest	0
Total Long-Term Debt	1,466	$ 1,466
Capital Lease Obligations
2018	11
2019	11
2020	18
2021	0
2022	0
Total 2018 - 2022	40
Thereafter	0
Less: Imputed Interest	(1)
Capital Lease Obligations	39	$ 91
2018	111
2019	48
2020	98
2021	250
2022	0
Total 2018 - 2022	507
Thereafter	999
Less: Imputed Interest	(1)
Total LT Debt and Capital Lease Obligations	$ 1,505