Fair Value Measurements

9 Months Ended

Sep. 30, 2013

Note 4 Fair Value Measurements

The following table sets forth, by level within the fair-value hierarchy, our financial assets and liabilities that are accounted for at fair value on a recurring basis as of September 30, 2013. Our debt securities could transfer into or out of a Level 1 or 2 measure depending on the availability of independent and current pricing at the end of each quarter. During the three months ended September 30, 2013, there were no transfers of our financial assets between Level 1 and Level 2 measures. Our financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

	Fair Value as of September 30, 2013
	Level 1		Level 2		Level 3		Total
	(In thousands)
Assets:
Short-term investments:
Available-for-sale equity securities from energy industry	$	75,607	$	862	$	—	$	76,469
Available-for-sale debt securities:
Corporate debt securities	—		18,448		—		18,448
Mortgage-backed debt securities	—		213		—		213
Mortgage-CMO debt securities	—		60		—		60
Asset-backed debt securities	825		—		—		825
Total short-term investments	$	76,432	$	19,583	$	—	$	96,015

Nonrecurring Fair Value Measurements

Fair value measurements were applied with respect to our nonfinancial assets and liabilities measured on a nonrecurring basis, which would consist of measurements primarily to assets held-for-sale, goodwill, intangible assets and other long-lived assets, assets acquired and liabilities assumed in a business combination, asset retirement obligations and our contractual pipeline commitment.

Fair Value of Financial Instruments

The fair value of our financial instruments has been estimated in accordance with GAAP. The fair value of our debt, revolving credit facility and subsidiary preferred stock is estimated based on quoted market prices or prices quoted from third-party financial institutions and other observable inputs, all of which represent Level 2 fair value measurements. The carrying and fair values of these liabilities were as follows:

	September 30, 2013				December 31, 2012
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
2.35% senior notes due September 2016	$	349,803	$	353,959	$	—	$	—
6.15% senior notes due February 2018	969,623		1,097,743		968,708		1,164,813
9.25% senior notes due January 2019	339,607		421,952		1,125,000		1,492,819
5.00% senior notes due September 2020	697,871		732,319		697,648		770,707
4.625% senior notes due September 2021	698,087		717,374		697,907		755,517
5.10% senior notes due September 2023	348,733		356,041		—		—
Subsidiary preferred stock	69,188		69,750		69,188		68,625
Revolving credit facility	300,000		300,000		890,000		890,000
Commercial paper	332,250		332,250		—		—
Other	11,494		11,494		437		437
	$	4,116,656	$	4,392,882	$	4,448,888	$	5,142,918

The fair values of our cash equivalents, trade receivables and trade payables approximate their carrying values due to the short-term nature of these instruments.

As of September 30, 2013, our short-term investments were carried at fair market value and classified as available-for-sale. As of December 31, 2012, our short-term investments were carried at fair market value and included $200.6 million and $52.7 million in securities classified as available-for-sale and trading, respectively.

- 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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