The sum of the current income tax expense or benefit attributable to non-controlling interests.

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The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa, due to rate changes.

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Phase-in period of corporate income tax rate reductions beginning in 2014 by Arizona enacted legislation (H.B. 2001).

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Represents the amount of interest income to be received on the overpayment of income taxes for certain adjustments that the company has filed, or will file, with the IRS.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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-Publisher FASB

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible general business tax credit carryforwards.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of interest expense accrued for an underpayment of income taxes.

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Amount of interest expense for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes (Details) (USD $)	0 Months Ended	12 Months Ended			0 Months Ended
Income Taxes (Details) (USD $)	Sep. 13, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 17, 2011	Apr. 04, 2013
Income Taxes
Decrease in prior period uncertain tax positions		$ 2,282,000	$ 108,099,000	$ 7,729,000
Income tax examination, liability (refund) adjustment from settlement with taxing authority			(133,000,000)
Decrease in long term deferred tax liability due to adoption of regulations	82,000,000	26,000,000
Unrecognized tax benefits if recognized, would decrease effective tax rate		11,000,000	10,000,000	10,000,000
Pre-tax interest expense (benefit) related to unrecognized tax benefits		1,000,000	(4,000,000)	4,000,000
Accrued liabilities for interest related to unrecognized tax benefit (less than $1 million for APS in 2014 and 2013)		1,000,000	1,000,000	13,000,000
Interest income to be received on the overpayment of income taxes for certain adjustments that we have filed, or will file, with the IRS (less then $1 million)		1,000,000
General business tax credit carryforwards that will begin to expire in 2031		90,000,000
Amount of federal and state loss carryforwards which will begin to expire in 2019		4,000,000
ARIZONA PUBLIC SERVICE COMPANY
Income Taxes
Decrease in prior period uncertain tax positions		2,282,000	107,918,000	7,729,000
Income tax examination, liability (refund) adjustment from settlement with taxing authority			(135,000,000)
Decrease in long term deferred tax liability due to adoption of regulations	82,000,000
Unrecognized tax benefits if recognized, would decrease effective tax rate		11,000,000	10,000,000	10,000,000
Pre-tax interest expense (benefit) related to unrecognized tax benefits		1,000,000	4,000,000	4,000,000
Accrued liabilities for interest related to unrecognized tax benefit (less than $1 million for APS in 2014 and 2013)			1,000,000	13,000,000
Interest income to be received on the overpayment of income taxes for certain adjustments that we have filed, or will file, with the IRS (less then $1 million)		1,000,000
Third quarter 2009
Income Taxes
Decrease in prior period uncertain tax positions			67,000,000
Third quarter 2009 \| ARIZONA PUBLIC SERVICE COMPANY
Income Taxes
Decrease in prior period uncertain tax positions			67,000,000
Tax Years 2008 and 2009
Income Taxes
Decrease in prior period uncertain tax positions			41,000,000
Tax Years 2008 and 2009 \| ARIZONA PUBLIC SERVICE COMPANY
Income Taxes
Decrease in prior period uncertain tax positions			41,000,000
ARIZONA \| State Jurisdiction \| ARIZONA PUBLIC SERVICE COMPANY
Income Taxes
Phase-in period of corporate income tax rate reductions beginning in 2014					4 years
Decrease in long term deferred tax liability due to rate changes		74,000,000
NEW MEXICO \| State Jurisdiction \| ARIZONA PUBLIC SERVICE COMPANY
Income Taxes
Phase-in period of corporate income tax rate reductions beginning in 2014						5 years
Decrease in long term deferred tax liability due to rate changes		2,000,000
Maximum \| ARIZONA PUBLIC SERVICE COMPANY
Income Taxes
Accrued liabilities for interest related to unrecognized tax benefit (less than $1 million for APS in 2014 and 2013)		1,000,000
Palo Verde VIE
Income Taxes
Income tax expense benefit attributable to non controlling interests		$ 0