DEBT, CREDIT FACILITY, AND CAPITAL LEASE OBLIGATIONS (Maturities of Long-term Debt) (Detail) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Long-Term Debt Maturities
2019	$ 0
2020	80
2021	250
2022	0
2023	150
Total 2019 - 2023	480
Thereafter	1,149
Less: Imputed Interest	0
Total Long-Term Debt	1,629	$ 1,466
Capital Lease Obligations
2019	187
2020	20
2021	0
2022	0
2023	0
Total 2019 - 2023	207
Thereafter	0
Less: Imputed Interest	(14)
Total Capital Lease Obligations	193	$ 39
Total Debt Maturities [Abstract]
2019	187
2020	100
2021	250
2022	0
2023	150
Total 2019 - 2023	687
Thereafter	1,149
Less: Imputed Interest	(14)
Total LT Debt and Capital Lease Obligations	$ 1,822

Capital Leases, Future Minimum Payments Due in Years One Through Five

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Long term debt maturing in years one through Five.

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Long-term Debt and Capital Lease Obligations, Maturing In Years One Through Five

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Total Debt Maturities [Abstract]

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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