Fair Value Measurements (Notes)

12 Months Ended

Dec. 31, 2017

Fair Value Measurements

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. A fair value hierarchy exists, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The three levels of inputs that may be used to measure fair value are:

•Level 1: Inputs are quoted prices (unadjusted) for identical assets or liabilities in active markets.


•	Level 2: Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reported date.


•	Level 3: Unobservable inputs, that are supported by little or no market activity and are developed based on the best information available in the circumstances. For example, inputs derived through extrapolation or interpolation that cannot be corroborated by observable market data.

Recurring Fair Value Measurements

At both December 31, 2017 and December 31, 2016, the Company had less than $1 notional amount of natural gas derivative contracts, which are measured using Level 2 inputs, and are included in “Other current assets” or “Other current liabilities” in the Consolidated Balance Sheets. The fair value of the natural gas derivative contracts generally reflects the estimated amounts that the Company would receive or pay, on a pre-tax basis, to terminate the contracts at the reporting date based on broker quotes for the same or similar instruments. Counterparties to these contracts are highly rated financial institutions, none of which experienced any significant downgrades in the year ended December 31, 2017 that would reduce the fair value receivable amount owed, if any, to the Company. There were no transfers between Level 1, Level 2 or Level 3 measurements during the year ended December 31, 2017.

The following table summarizes the carrying amount and fair value of the Company's non-derivative financial instruments at December 31, 2017:



	Carrying Amount		Fair Value
	Carrying Amount		Level 1		Level 2		Level 3		Total
December 31, 2017
Debt	$	1,228	$	—	$	1,391	$	—	$	1,391

December 31, 2016
Debt	$	1,203	$	—	$	1,243	$	—	$	1,243

Fair values of debt classified as Level 2 are determined based on other similar financial instruments, or based upon interest rates that are currently available to the Company for the issuance of debt with similar terms and maturities. The carrying amount of cash and cash equivalents, accounts receivable, accounts payable and other accrued liabilities are considered reasonable estimates of their fair values due to the short-term maturity of these financial instruments.

- 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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