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Fair Value Measurements (Notes)
6 Months Ended
Jun. 30, 2018
Fair Value Measurements [Abstract]  
Fair Value Measurements
Fair Value Measurements

Accounting guidance establishes a three-level hierarchy for disclosure of fair value measurements, based on the transparency of inputs to the valuation of an asset or liability as of the measurement date, as follows:

Level 1 – inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.
Level 2 – inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.
Level 3 – inputs to the valuation methodology are unobservable and significant to the fair value measurement.

Financial Assets and Liabilities

The Company has estimated the fair value of its financial instruments as of June 30, 2018 and December 31, 2017 using available market information or other appropriate valuation methodologies. Considerable judgment, however, is required in interpreting market data to develop the estimates of fair value. Accordingly, the estimates presented in the accompanying consolidated financial statements are not necessarily indicative of the amounts the Company would realize in a current market exchange.

The carrying amounts of cash and cash equivalents, receivables, payables and other current assets and liabilities approximate fair value because of the short maturity of those instruments.

A portion of the Company’s cash and cash equivalents as of December 31, 2017 were invested in money market funds. The money market funds were valued at the closing price reported by the fund sponsor from an actively traded exchange which approximated fair value. The money market funds potentially subjected the Company to concentration of credit risk. The amount invested within any one financial instrument did not exceed $300 million as of December 31, 2017. As of June 30, 2018 and December 31, 2017, there were no significant concentrations of financial instruments in a single investee, industry or geographic location.

Financial instruments accounted for at fair value on a recurring basis are presented in the table below.

 
June 30, 2018
December 31, 2017
 
Level 1
 
Level 2
 
Level 1
 
Level 2
Assets
 
 
 
 
 
 
 
Money market funds
$

 
$

 
$
291

 
$

 
 
 
 
 
 
 
 
Liabilities
 
 
 
 
 
 
 
Cross-currency derivative instruments
$

 
$
78

 
$

 
$
25



A summary of the carrying value and fair value of debt as of June 30, 2018 and December 31, 2017 is as follows:

 
 
June 30, 2018
 
December 31, 2017
 
 
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
Senior notes and debentures
 
$
63,081

 
$
62,010

 
$
60,844

 
$
63,443

Credit facilities
 
$
9,036

 
$
9,099

 
$
9,387

 
$
9,440



The estimated fair value of the Company’s senior notes and debentures as of June 30, 2018 and December 31, 2017 is based on quoted market prices in active markets and is classified within Level 1 of the valuation hierarchy, while the estimated fair value of the Company’s credit facilities is based on quoted market prices in inactive markets and is classified within Level 2.

Nonfinancial Assets and Liabilities

The Company’s nonfinancial assets such as equity-method investments, franchises, property, plant, and equipment, and other intangible assets are not measured at fair value on a recurring basis; however, they are subject to fair value adjustments in certain circumstances, such as when there is evidence that an impairment may exist.  No material impairments were recorded during the three and six months ended June 30, 2018 and 2017.