Asset Retirement Obligation, Liabilities Incurred, Decrease in Regulatory Liability

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- Definition

Asset Retirement Obligation, Liabilities Incurred, Increase in Plant Services

+ References

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Asset Retirement Obligation

-URI http://asc.fasb.org/extlink&oid=6505190

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- Definition

Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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- Definition

Amount of asset retirement obligations incurred during the period.

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- Definition

Amount of the Increase or Decrease in the amount of the asset retirement obligation during the current period for changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.

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Asset Retirement Obligations Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Asset Retirement Obligations
Asset retirement obligation, current			$ 26,875	$ 32,462
Arizona Public Service Company
Asset Retirement Obligations
Estimated cash flow revisions			24,000
Newly incurred liabilities			42,000
Asset retirement obligation, current			26,875	32,462
Asset retirement obligation			$ 449,000	$ 391,000
Arizona Public Service Company \| Four Corners
Asset Retirement Obligations
Estimated cash flow revisions	$ 6,000	$ 18,000
Arizona Public Service Company \| Cholla
Asset Retirement Obligations
Newly incurred liabilities	39,000
Newly incurred liabilities, increase in plant services	23,000
Newly incurred liabilities, decrease in regulatory liabilities	$ 16,000