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Fair Value | 6 Months Ended
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Jun. 30, 2019
Fair Value Disclosures [Abstract] |
Fair Value | FAIR VALUE Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market in an orderly transaction between marketplace participants. Various valuation approaches can be used to determine fair value, each requiring different valuation inputs. The following hierarchy classifies the inputs used to determine fair value into three levels:
• | Level 1 - quoted prices in active markets for identical assets or liabilities;
• | Level 2 - inputs, other than quoted prices, observable by a marketplace participant either directly or indirectly; and
• | Level 3 - unobservable inputs significant to the fair value measurement.
We did not have any significant non-financial assets or liabilities measured at fair value on June 30, 2019, or December 31, 2018. Our financial instruments include cash and equivalents, accounts receivable and payable, marketable securities held in trust and other investments, short- and long-term debt, and derivative financial instruments. The carrying values of cash and equivalents and accounts receivable and payable on the unaudited Consolidated Balance Sheet approximate their fair value. The following tables present the fair values of our other financial assets and liabilities on June 30, 2019, and December 31, 2018, and the basis for determining their fair values:
| Carrying Value |  | Fair Value |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Financial Assets (Liabilities) | June 30, 2019
Measured at fair value: |  |  |  |  |  |  |  |  |
Marketable securities held in trust: |  |  |  |  |  |  |  |  |
Cash and equivalents | $ | 3 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 3 |  |  | $ | — |
Available-for-sale debt securities | 141 |  |  | 141 |  |  | — |  |  | 141 |  |  | — |
Equity securities | 50 |  |  | 50 |  |  | 50 |  |  | — |  |  | — |
Other investments | 4 |  |  | 4 |  |  | — |  |  | — |  |  | 4 |
Cash flow hedges | (19 | ) |  | (19 | ) |  | — |  |  | (19 | ) |  | — |
Measured at amortized cost: |  |  |  |  |  |  |  |  |
Short- and long-term debt principal | (14,026 | ) |  | (14,276 | ) |  | — |  |  | (14,276 | ) |  | — |
| December 31, 2018
Measured at fair value: |  |  |  |  |  |  |  |  |
Marketable securities held in trust: |  |  |  |  |  |  |  |  |
Cash and equivalents | $ | 29 |  |  | $ | 29 |  |  | $ | 23 |  |  | $ | 6 |  |  | $ | — |
Available-for-sale debt securities | 121 |  |  | 121 |  |  | — |  |  | 121 |  |  | — |
Equity securities | 52 |  |  | 52 |  |  | 52 |  |  | — |  |  | — |
Other investments | 4 |  |  | 4 |  |  | — |  |  | — |  |  | 4 |
Cash flow hedges | (69 | ) |  | (69 | ) |  | — |  |  | (69 | ) |  | — |
Measured at amortized cost: |  |  |  |  |  |  |  |  |
Short- and long-term debt principal | (12,518 | ) |  | (12,346 | ) |  | — |  |  | (12,346 | ) |  | — |
Our Level 1 assets include investments in publicly traded equity securities valued using quoted prices from the market exchanges. The fair value of our Level 2 assets and liabilities is determined under a market approach using valuation models that incorporate observable inputs such as interest rates, bond yields and quoted prices for similar assets. Our Level 3 assets include direct private equity investments that are measured using inputs unobservable to a marketplace participant.

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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