Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Average fixed interest rate related to the group of interest rate derivatives.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

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FAIR VALUE MEASUREMENTS (Details) - USD ($)	3 Months Ended
FAIR VALUE MEASUREMENTS (Details) - USD ($)	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Interest rate derivatives
Net realized gain related to the interest rate swaps included in financial charges and other	$ 0	$ 1,000,000
Interest rate swaps \| Term loan \| 2013 Term Loan Facility due 2022
Interest rate derivatives
Weighted average fixed interest rate (as a percent)	3.26%		3.26%
Hedges of cash flows \| Recurring fair value measurement \| Level 2 \| Interest rate swaps
Interest rate derivatives
Fair value of derivative liability, gross	$ 19,000,000		$ 6,000,000
Fair value of derivative liability, net	19,000,000		6,000,000
Estimate of Fair Value Measurement [Member] \| Level 2
Interest rate derivatives
Fair value of debt	$ 1,967,000,000		$ 2,111,000,000