FAIR VALUE MEASURES (Notes)	6 Months Ended
Jun. 30, 2021
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Text Block]	FAIR VALUE MEASURESAs of June 30, 2021 and December 31, 2020, other non-current assets included $37 million and $34 million, respectively, of available-for-sale securities carried at fair value. At June 30, 2021, $24 million in equity securities were valued at Level 1 and $13 million in fixed income securities were valued at Level 2. At December 31, 2020, $22 million in equity securities were valued at Level 1 and $12 million in fixed income securities were valued at Level 2. During the three months ended June 30, 2021 and 2020, the Company recognized $1 million and $3 million in unrealized gains, respectively, on available-for-sale securities. During the six months ended June 30, 2021 and 2020, the Company recognized $3 million in unrealized gains and $2 million in unrealized losses, respectively, on available-for-sale securities. Unrealized gains and losses on available-for-sale securities are reflected in other, net in our consolidated statements of operations. The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable approximate fair value. Based on the estimated borrowing rates currently available to the Company and its subsidiaries for loans with similar terms and average maturities, the aggregate fair value of the Company’s consolidated debt obligations (excluding related company balances) was $258 million and $256 million at June 30, 2021 and December 31, 2020, respectively. The fair value of the Company’s consolidated debt obligations is a Level 2 valuation based on the observable inputs used for similar liabilities. The Company did not have any Level 3 instruments measured at fair value at June 30, 2021 or December 31, 2020, and there were no transfers between hierarchy levels during the periods presented.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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