Asset Purchase Agreement, Additional Percentage Share of Cost of Control

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- Definition

Asset Purchase Agreement, Site Contingency, Increase in Loss Exposure Not Accrued, Best Estimate

+ References

No definition available.

+ Details

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- Definition

Clean Power Plan, Optional Extension Period

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Represent information pertaining to share of the assessment.

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No definition available.

+ Details

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- Definition

Represent information pertaining to total amount of coal severance surtax, penalty, and interest related to coal supplied under the coal supply agreement.

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No definition available.

+ Details

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- Definition

Loss Contingency, Partial Payment of Assessment

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No definition available.

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- Definition

Represents the number of letters of credit expiring.

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No definition available.

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- Definition

Represents the percentage of share of the cost of control acquired by the entity.

+ References

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Best estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 10
-Subparagraph (c),(d)(2)
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859

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Commitments and Contingencies - Environmental Matters and Financial Assurances (Details) $ in Millions			3 Months Ended
	Mar. 16, 2016 USD ($)	May. 23, 2013 USD ($)	Mar. 31, 2016 USD ($) Letter_of_credit
Environmental Matters
Clean power plan, optional extension period			2 years
Four Corners \| New Mexico Tax Matter
Environmental Matters
Coal severance surtax, penalty, and interest		$ 30.0
Litigation settlement awarded (against), amount	$ (1.0)
Arizona Public Service Company \| Letters of Credit Expiring in 2017
Financial Assurances
Number of letters of credit expiring \| Letter_of_credit			150,000,000
Arizona Public Service Company \| Letter of Credit
Financial Assurances
Outstanding letters of credit			$ 79.0
Arizona Public Service Company \| Four Corners \| New Mexico Tax Matter
Environmental Matters
Share of the assessment		12.0
Partial payment of assessment		$ 0.8
Litigation settlement awarded (against), amount	$ (0.8)
Regional Haze Rules \| Arizona Public Service Company \| Four Corners Units 4 and 5
Environmental Matters
Percentage of share of cost of control			63.00%
Expected environmental cost			$ 400.0
Regional Haze Rules \| Arizona Public Service Company \| Natural gas tolling contract obligations \| Four Corners Units 4 and 5
Environmental Matters
Additional percentage share of cost of control			7.00%
Regional Haze Rules \| Arizona Public Service Company \| Four Corners \| Four Corners Units 4 and 5
Environmental Matters
Site contingency increase in loss exposure not accrued, best estimate			$ 45.0
Regional Haze Rules \| Arizona Public Service Company \| Navajo Plant
Environmental Matters
Expected environmental cost			200.0
Regional Haze Rules \| Arizona Public Service Company \| Cholla
Environmental Matters
Expected environmental cost			100.0
Mercury and air toxic standards (MATS) \| Arizona Public Service Company \| Navajo Plant
Environmental Matters
Expected environmental cost			1.0
Mercury and air toxic standards (MATS) \| Arizona Public Service Company \| Cholla
Environmental Matters
Expected environmental cost			8.0
Coal combustion waste \| Arizona Public Service Company \| Four Corners
Environmental Matters
Site contingency increase in loss exposure not accrued, best estimate			15.0
Coal combustion waste \| Arizona Public Service Company \| Navajo Plant
Environmental Matters
Site contingency increase in loss exposure not accrued, best estimate			1.0
Coal combustion waste \| Arizona Public Service Company \| Cholla
Environmental Matters
Site contingency increase in loss exposure not accrued, best estimate			$ 40.0