$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw

$pnw Overview Financials Valuation SEC Filings Company Website

2013 Q2 Form 10-Q Financial Statement

#000110465913059175 Filed on August 02, 2013

Income Statement

Concept	2013 Q2	2012 Q2
Revenue	$915.8M	$878.6M
YoY Change	4.24%	9.85%
Cost Of Revenue	$277.6M	$264.7M
YoY Change	4.86%	8.47%
Gross Profit	$638.2M	$613.9M
YoY Change	3.97%	10.45%
Gross Profit Margin	69.69%	69.87%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$125.2M	$121.2M
YoY Change	3.3%	-0.98%
% of Gross Profit	19.62%	19.74%
Operating Expenses	$656.0M	$624.1M
YoY Change	5.11%	3.53%
Operating Profit	$259.8M	$254.5M
YoY Change	2.09%	29.19%
Interest Expense	$47.67M	$49.55M
YoY Change	-3.8%	-11.96%
% of Operating Profit	18.35%	19.47%
Other Income/Expense, Net	$4.500M	$2.683M
YoY Change	67.72%	-18.57%
Pretax Income	$216.6M	$207.6M
YoY Change	4.35%	44.18%
Income Tax	$77.04M	$76.69M
% Of Pretax Income	35.56%	36.94%
Net Earnings	$139.6M	$130.1M
YoY Change	7.29%	38.65%
Net Earnings / Revenue	15.24%	14.81%
Basic Earnings Per Share	$1.19	$1.12
Diluted Earnings Per Share	$1.18	$1.11
COMMON SHARES
Basic Shares Outstanding	110.0M shares	109.5M shares
Diluted Shares Outstanding	110.9M shares	110.4M shares

Balance Sheet

Concept	2013 Q2	2012 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$28.00M	$11.00M
YoY Change	154.55%	-88.04%
Cash & Equivalents	$27.80M	$11.23M
Short-Term Investments
Other Short-Term Assets	$42.72M	$374.0M
YoY Change	-88.58%	-13.63%
Inventory	$253.0M	$247.0M
Prepaid Expenses
Receivables	$343.0M	$313.0M
Other Receivables	$2.000M	$1.000M
Total Short-Term Assets	$1.066B	$947.4M
YoY Change	12.55%	-8.64%
LONG-TERM ASSETS
Property, Plant & Equipment	$9.481B	$9.205B
YoY Change	3.0%	-2.89%
Goodwill
YoY Change
Intangibles	$162.7M
YoY Change
Long-Term Investments
YoY Change
Other Assets	$64.30M	$2.149B
YoY Change	-97.01%	20.66%
Total Long-Term Assets	$12.50B	$12.27B
YoY Change	1.87%	7.26%
TOTAL ASSETS
Total Short-Term Assets	$1.066B	$947.4M
Total Long-Term Assets	$12.50B	$12.27B
Total Assets	$13.56B	$13.21B
YoY Change	2.64%	5.94%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$287.4M	$316.0M
YoY Change	-9.06%	16.18%
Accrued Expenses	$49.00M	$61.00M
YoY Change	-19.67%	10.91%
Deferred Revenue
YoY Change
Short-Term Debt	$30.10M	$109.0M
YoY Change	-72.39%	1457.14%
Long-Term Debt Due	$599.0M	$58.00M
YoY Change	932.76%	-93.58%
Total Short-Term Liabilities	$1.537B	$1.104B
YoY Change	39.2%	-39.69%
LONG-TERM LIABILITIES
Long-Term Debt	$2.820B	$3.371B
YoY Change	-16.35%	22.06%
Other Long-Term Liabilities	$191.3M	$2.893B
YoY Change	-93.39%	23.63%
Total Long-Term Liabilities	$3.011B	$3.371B
YoY Change	-10.68%	-33.92%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.537B	$1.104B
Total Long-Term Liabilities	$3.011B	$3.371B
Total Liabilities	$4.549B	$4.476B
YoY Change	1.63%	-49.48%
SHAREHOLDERS EQUITY
Retained Earnings	$1.660B
YoY Change
Common Stock	$2.487B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$10.12M
YoY Change
Treasury Stock Shares
Shareholders Equity	$4.032B	$3.778B
YoY Change
Total Liabilities & Shareholders Equity	$13.56B	$13.21B
YoY Change	2.64%	5.94%

Cashflow Statement

Concept	2013 Q2	2012 Q2
OPERATING ACTIVITIES
Net Income	$139.6M	$130.1M
YoY Change	7.29%	38.65%
Depreciation, Depletion And Amortization	$125.2M	$121.2M
YoY Change	3.3%	-0.98%
Cash From Operating Activities	$242.1M	$343.3M
YoY Change	-29.48%	78.06%
INVESTING ACTIVITIES
Capital Expenditures	-$193.7M	-$183.8M
YoY Change	5.39%	-6.08%
Acquisitions
YoY Change
Other Investing Activities	-$1.400M	$4.200M
YoY Change	-133.33%	-93.01%
Cash From Investing Activities	-$195.2M	-$179.6M
YoY Change	8.69%	32.55%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-44.30M	-173.2M
YoY Change	-74.42%	118.69%
NET CHANGE
Cash From Operating Activities	242.1M	343.3M
Cash From Investing Activities	-195.2M	-179.6M
Cash From Financing Activities	-44.30M	-173.2M
Net Change In Cash	2.600M	-9.500M
YoY Change	-127.37%	-56.62%
FREE CASH FLOW
Cash From Operating Activities	$242.1M	$343.3M
Capital Expenditures	-$193.7M	-$183.8M
Free Cash Flow	$435.8M	$527.1M
YoY Change	-17.32%	35.68%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	77043000	USD
CY2013Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8391000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	131475000	USD
CY2013Q2	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Derivative Gain Loss Deferred As Regulatory Asset Or Liability FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeGainLossDeferredAsRegulatoryAssetOrLiability	4000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	454256000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-9000	USD
CY2012Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	3322000000	USD
CY2013Q2	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	790788000	USD
	us-gaap	Interest Paid Net InterestPaidNet	91346000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	8904000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-649000	USD
	us-gaap	Interest Paid Net InterestPaidNet	94680000	USD
CY2012Q4	pnw	Regulatory Asset Including Deferred Fuel And Purchased Power Regulatory Asset Current RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent	144000000	USD
CY2012Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1099900000	USD
CY2013Q2	pnw	Regulatory Asset Including Deferred Fuel And Purchased Power Regulatory Asset Current RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent	106000000	USD
CY2013Q2	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1120366000	USD
CY2012Q4	pnw	Regulatory Liability Including Deferred Fuel And Purchased Power Regulatory Liability Current RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent	88000000	USD
CY2012Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	759201000	USD
CY2013Q2	pnw	Regulatory Liability Including Deferred Fuel And Purchased Power Regulatory Liability Current RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent	81000000	USD
CY2012Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	3875000000	USD
CY2013Q2	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySettlements	4000000	USD
	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	208000	USD
	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	112000	USD
CY2012Q2	pnw	Miscellaneous Other Nonoperating Expense MiscellaneousOtherNonoperatingExpense	222000	USD
	pnw	Miscellaneous Other Nonoperating Expense MiscellaneousOtherNonoperatingExpense	1855000	USD
	pnw	Miscellaneous Other Nonoperating Expense MiscellaneousOtherNonoperatingExpense	2386000	USD
CY2012Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	2669000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	5986000	USD
CY2012Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3899337000	USD
CY2013Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4152330000	USD
CY2012Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3861429000	USD
CY2012Q2	us-gaap	Profit Loss ProfitLoss	130111000	USD
CY2013Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	469000	USD
CY2013Q2	pnw	Nonoperating Costs NonoperatingCosts	1990000	USD
CY2013Q2	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	96000	USD
CY2012Q2	pnw	Defined Benefit Plan Cost Deferred DefinedBenefitPlanCostDeferred	5000000	USD
	pnw	Defined Benefit Plan Cost Deferred DefinedBenefitPlanCostDeferred	14000000	USD
CY2013Q2	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	2000000	USD
	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	4000000	USD
	pnw	Percentage Of Bonus Depreciation For Income Tax Regarding Qualified Property Placed Into Service PercentageOfBonusDepreciationForIncomeTaxRegardingQualifiedPropertyPlacedIntoService	0.50	pure
CY2012Q4	pnw	Federal General Business Credits Carryforwards Whose Realization Would Be Delayed On Recognition Of Cash Benefit FederalGeneralBusinessCreditsCarryforwardsWhoseRealizationWouldBeDelayedOnRecognitionOfCashBenefit	78000000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4102289000	USD
CY2013Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4169235000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3930586000	USD
CY2012Q2	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	58000	USD
CY2013Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	467000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	17459000	USD
CY2012Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	147570000	USD
CY2012Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2525000	USD
CY2012Q2	pnw	Treasury Stock Value Acquired Cost Method Net TreasuryStockValueAcquiredCostMethodNet	-5113000	USD
CY2012Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	631000	USD
CY2012Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	114955000	USD
CY2012Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2976000	USD
CY2013Q2	us-gaap	Profit Loss ProfitLoss	139598000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3474000	USD
CY2013Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	143072000	USD
CY2013Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2363000	USD
CY2013Q2	pnw	Treasury Stock Value Acquired Cost Method Net TreasuryStockValueAcquiredCostMethodNet	-366000	USD
CY2013Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	185000	USD
CY2013Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	119885000	USD
CY2013Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	9196000	USD
	us-gaap	Profit Loss ProfitLoss	172434000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9551000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	181985000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	4937000	USD
	pnw	Treasury Stock Value Acquired Cost Method Net TreasuryStockValueAcquiredCostMethodNet	5905000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	15010000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	119885000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	9196000	USD
	us-gaap	Profit Loss ProfitLoss	129630000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1845000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	5225000	USD
	pnw	Treasury Stock Value Acquired Cost Method Net TreasuryStockValueAcquiredCostMethodNet	-3359000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	3981000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	172313000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2976000	USD
CY2013Q2	pnw	Miscellaneous Other Nonoperating Expense MiscellaneousOtherNonoperatingExpense	148000	USD
CY2013Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	2234000	USD
CY2012Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	107000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1176000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	712000	USD
CY2012Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	177000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1227000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	937000	USD
CY2012Q2	pnw	Nonoperating Costs NonoperatingCosts	2389000	USD
	pnw	Nonoperating Costs NonoperatingCosts	3923000	USD
	pnw	Nonoperating Costs NonoperatingCosts	4239000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.12
CY2012Q2	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue	-45000000	USD
CY2012Q4	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue	-48000000	USD
CY2011Q4	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue	-51000000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	6737000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.19
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.19
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.18
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.18
CY2013Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	970000	shares
CY2013Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.12
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.42
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.06
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.02
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.04
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.05
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.40
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.04
CY2012Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	868000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	945000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	788000	shares
CY2012Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2013Q1	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue	-53000000	USD
CY2012Q1	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue	-58000000	USD
CY2013Q2	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue	-53000000	USD
CY2012Q2	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	1000000	USD
	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	2000000	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss	3000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss	-2000000	USD
CY2012Q2	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Derivative Gain Loss Deferred As Regulatory Asset Or Liability FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeGainLossDeferredAsRegulatoryAssetOrLiability	-12000000	USD
	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Derivative Gain Loss Deferred As Regulatory Asset Or Liability FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeGainLossDeferredAsRegulatoryAssetOrLiability	5000000	USD
	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Derivative Gain Loss Deferred As Regulatory Asset Or Liability FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeGainLossDeferredAsRegulatoryAssetOrLiability	-7000000	USD
CY2012Q2	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySettlements	-1000000	USD
	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySettlements	2000000	USD
	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersIntoLevel3	-1000000	USD
	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersIntoLevel3	2000000	USD
CY2012Q2	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersOutOfLevel3	2000000	USD
	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersOutOfLevel3	1000000	USD
	pnw	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersOutOfLevel3	3000000	USD
	pnw	Fair Value Measurement Inter Level Transfers Amount FairValueMeasurementInterLevelTransfersAmount	0	USD
CY2012Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	62000000	USD
CY2012Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	110000000	USD
CY2013Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	53000000	USD
CY2013Q2	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	106000000	USD
CY2012Q4	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	570625000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-114008000	USD
CY2013Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-107931000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-104457000	USD
CY2013Q2	pnw	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1795000	USD
CY2013Q2	pnw	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-5269000	USD
	pnw	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1737000	USD
	pnw	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-11288000	USD
	dei	Entity Registrant Name EntityRegistrantName	PINNACLE WEST CAPITAL CORP
	dei	Entity Central Index Key EntityCentralIndexKey	0000764622
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2013-06-30
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	109996850	shares
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
CY2013Q2	us-gaap	Costs And Expenses CostsAndExpenses	656010000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	259812000	USD
CY2013Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	4500000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	47671000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	216641000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	139598000	USD
CY2013Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	131207000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1255739000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	346735000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	8370000	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-819000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	130930000	USD
	us-gaap	Interest Expense InterestExpense	93159000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	261946000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	172434000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	155651000	USD
CY2012Q2	us-gaap	Sales Revenue Net SalesRevenueNet	878576000	USD
CY2012Q2	us-gaap	Cost Of Goods Sold Electric CostOfGoodsSoldElectric	264723000	USD
CY2012Q2	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	216236000	USD
CY2012Q2	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	100606000	USD
CY2012Q2	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	41289000	USD
CY2012Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1233000	USD
CY2012Q2	us-gaap	Costs And Expenses CostsAndExpenses	624087000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	254489000	USD
CY2012Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	5175000	USD
CY2012Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2683000	USD
CY2012Q2	us-gaap	Interest Costs Incurred InterestCostsIncurred	53000000	USD
CY2012Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-3447000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	49553000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	207619000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	76689000	USD
CY2012Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	7766000	USD
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	122345000	USD
CY2012Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109491000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110359000	shares
CY2012Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.05
CY2012Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	123164000	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-819000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	1499207000	USD
	us-gaap	Cost Of Goods Sold Electric CostOfGoodsSoldElectric	481032000	USD
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	426899000	USD
	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	200715000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	83764000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4301000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1196711000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	302496000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	9931000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	4131000	USD
	us-gaap	Interest Costs Incurred InterestCostsIncurred	109967000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-6598000	USD
	us-gaap	Interest Expense InterestExpense	103369000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	203258000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	72044000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	131214000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1584000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15542000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	114088000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109395000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110183000	shares
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.575
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	115681000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-1593000	USD
CY2012Q2	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	535000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	1040000	USD
CY2013Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	134681000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	165202000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	2728000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	13925000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-806000	USD
CY2013Q2	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	3419000000	USD
CY2013Q2	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	3716000000	USD
CY2013Q2	us-gaap	Assets Assets	13562694000	USD
CY2012Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	139804000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-22624000	USD
CY2013Q2	us-gaap	Liabilities Current LiabilitiesCurrent	1537218000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	115933000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	22697000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1772000	USD
CY2013Q2	pnw	Total Deferred Debits TotalDeferredDebits	1332613000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	105000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	2824000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-449000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	67000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	6124000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	182000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-1781000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	9090000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	526000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	14770000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	14818000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1157000	USD
CY2013Q2	us-gaap	Assets Current AssetsCurrent	1066289000	USD
CY2013Q2	pnw	Total Investments And Other Assets TotalInvestmentsAndOtherAssets	691453000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9481081000	USD
CY2013Q2	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	10472339000	USD
CY2013Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2820172000	USD
CY2013Q2	pnw	Total Deferred Credits And Other Liabilities TotalDeferredCreditsAndOtherLiabilities	5036069000	USD
CY2013Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q2	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	2476754000	USD
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	4032165000	USD
CY2013Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	13562694000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	26202000	USD
CY2012Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	277225000	USD
CY2012Q4	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	94845000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3340000	USD
CY2012Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	218096000	USD
CY2012Q4	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	31334000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	152191000	USD
CY2012Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	2423000	USD
CY2012Q4	us-gaap	Derivative Instruments And Hedges DerivativeInstrumentsAndHedges	25699000	USD
CY2012Q4	pnw	Deferred Fuel And Purchased Power Regulatory Asset Current DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent	72692000	USD
CY2012Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	71257000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	37102000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	1005726000	USD
CY2012Q4	us-gaap	Derivative Instruments And Hedges Noncurrent DerivativeInstrumentsAndHedgesNoncurrent	35891000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	62694000	USD
CY2012Q4	pnw	Total Investments And Other Assets TotalInvestmentsAndOtherAssets	669210000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	14346367000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4929613000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9416754000	USD
CY2012Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	565716000	USD
CY2012Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	128995000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	162150000	USD
CY2012Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	122778000	USD
CY2012Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	10396393000	USD
CY2012Q4	us-gaap	Income Taxes Receivable Noncurrent IncomeTaxesReceivableNoncurrent	70389000	USD
CY2012Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	137997000	USD
CY2012Q4	pnw	Total Deferred Debits TotalDeferredDebits	1308286000	USD
CY2012Q4	us-gaap	Assets Assets	13379615000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	221312000	USD
CY2012Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	124939000	USD
CY2012Q4	us-gaap	Interest Payable Current InterestPayableCurrent	49380000	USD
CY2012Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	59789000	USD
CY2012Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	92175000	USD
CY2012Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	122828000	USD
CY2012Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	79689000	USD
CY2012Q4	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	73741000	USD
CY2012Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	88116000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	171573000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1083542000	USD
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3160219000	USD
CY2012Q4	pnw	Sale Leaseback Lessor Notes SaleLeasebackLessorNotes	38869000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3199088000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2151371000	USD
CY2012Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	357097000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1058755000	USD
CY2012Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	85264000	USD
CY2012Q4	us-gaap	Customer Advances For Construction CustomerAdvancesForConstruction	109359000	USD
CY2012Q4	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	118860000	USD
CY2012Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	71135000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	183835000	USD
CY2012Q4	pnw	Total Deferred Credits And Other Liabilities TotalDeferredCreditsAndOtherLiabilities	4994696000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	2466923000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	4211000	USD
CY2012Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	2462712000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1624102000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	64416000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-49592000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	3972806000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	129483000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	13379615000	USD
CY2013Q2	us-gaap	Common Stock No Par Value CommonStockNoParValue	0.00
CY2012Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0.00
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	239743000	USD
	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	82261000	USD
	pnw	Increase Decrease Deferred Fuel And Purchased Power Amortization IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization	-54388000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	61109000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	2618000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	21424000	USD
	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	43211000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	21012000	USD
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	9407000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	9199000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	19775000	USD
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	807000	USD
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-124000	USD
	pnw	Change In Margin And Collateral Accounts Liabilities ChangeInMarginAndCollateralAccountsLiabilities	69602000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1692000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5035000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	458635000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	424775000	USD
	us-gaap	Proceeds From Contribution In Aid Of Construction ProceedsFromContributionInAidOfConstruction	25800000	USD
	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	-6598000	USD
	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	211138000	USD
	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	219762000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	525000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-414722000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-371878000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	351081000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	421451000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	109000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	111297000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	8869000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2630000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	160000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-66268000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-80777000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1601000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-22355000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	33583000	USD
CY2012Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11228000	USD
CY2012Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	99819000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	249482000	USD
	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	36183000	USD
	pnw	Increase Decrease Deferred Fuel And Purchased Power Amortization IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization	10921000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	13129000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	68526000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-349000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	79408000	USD
	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	68763000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4002000	USD
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	14439000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	85563000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	5032000	USD
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-26098000	USD
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	1111000	USD
	pnw	Change In Margin And Collateral Accounts Liabilities ChangeInMarginAndCollateralAccountsLiabilities	14600000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	23796000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	21753000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	376601000	USD
	us-gaap	Proceeds From Contribution In Aid Of Construction ProceedsFromContributionInAidOfConstruction	21236000	USD
	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	-7626000	USD
	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	253996000	USD
	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	262621000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	136307000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	40127000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-62075000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	116231000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	9751000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	9197000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	795000	USD
CY2012Q2	pnw	Miscellaneous Other Nonoperating Income MiscellaneousOtherNonoperatingIncome	70000	USD
	pnw	Miscellaneous Other Nonoperating Income MiscellaneousOtherNonoperatingIncome	225000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	14745000	USD
CY2013Q2	pnw	Miscellaneous Other Nonoperating Income MiscellaneousOtherNonoperatingIncome	2000	USD
	pnw	Miscellaneous Other Nonoperating Income MiscellaneousOtherNonoperatingIncome	51000	USD
CY2013Q2	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	595231000	USD
CY2013Q2	us-gaap	Sales Revenue Net SalesRevenueNet	915822000	USD
CY2013Q2	us-gaap	Cost Of Goods Sold Electric CostOfGoodsSoldElectric	277584000	USD
CY2013Q2	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	229300000	USD
CY2013Q2	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	106292000	USD
CY2013Q2	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	40814000	USD
CY2013Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2020000	USD
CY2013Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	6265000	USD
CY2013Q2	us-gaap	Interest Costs Incurred InterestCostsIncurred	51307000	USD
CY2013Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-3636000	USD
CY2013Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109962000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110932000	shares
CY2013Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.09
CY2013Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	131207000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	1602474000	USD
	us-gaap	Cost Of Goods Sold Electric CostOfGoodsSoldElectric	508263000	USD
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	452550000	USD
	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	210022000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	80835000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4069000	USD
	us-gaap	Interest Costs Incurred InterestCostsIncurred	100785000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-7626000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	89512000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	16783000	USD
CY2013Q2	us-gaap	Derivative Instruments And Hedges Noncurrent DerivativeInstrumentsAndHedgesNoncurrent	31918000	USD
CY2013Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	64304000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	14503810000	USD
CY2013Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5022729000	USD
CY2013Q2	us-gaap	Construction In Progress Gross ConstructionInProgressGross	545231000	USD
CY2013Q2	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	127060000	USD
CY2013Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	162715000	USD
CY2013Q2	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	156252000	USD
CY2013Q2	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	140973000	USD
CY2013Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	287368000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109898000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110843000	shares
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.09
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	155651000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-160000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	4322000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	688000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-102000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	9375000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-278000	USD
CY2013Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	27803000	USD
CY2013Q2	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	345581000	USD
CY2013Q2	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	163608000	USD
CY2013Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2821000	USD
CY2013Q2	us-gaap	Other Inventory Supplies OtherInventorySupplies	220025000	USD
CY2013Q2	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	33407000	USD
CY2013Q2	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	105146000	USD
CY2013Q2	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	2317000	USD
CY2013Q2	us-gaap	Derivative Instruments And Hedges DerivativeInstrumentsAndHedges	22575000	USD
CY2013Q2	pnw	Deferred Fuel And Purchased Power Regulatory Asset Current DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent	26526000	USD
CY2013Q2	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	79405000	USD
CY2013Q2	us-gaap	Other Assets Current OtherAssetsCurrent	42717000	USD
CY2013Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	129865000	USD
CY2013Q2	us-gaap	Interest Payable Current InterestPayableCurrent	49199000	USD
CY2013Q2	us-gaap	Dividends Payable Current DividendsPayableCurrent	59946000	USD
CY2013Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	30100000	USD
CY2013Q2	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	599131000	USD
CY2013Q2	us-gaap	Customer Deposits Current CustomerDepositsCurrent	78795000	USD
CY2013Q2	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	67855000	USD
CY2013Q2	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	80763000	USD
CY2013Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	154196000	USD
CY2013Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2782758000	USD
CY2013Q2	pnw	Sale Leaseback Lessor Notes SaleLeasebackLessorNotes	37414000	USD
CY2013Q2	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2175865000	USD
CY2013Q2	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	362619000	USD
CY2013Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1013976000	USD
CY2013Q2	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	119979000	USD
CY2013Q2	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	85474000	USD
CY2013Q2	us-gaap	Customer Advances For Construction CustomerAdvancesForConstruction	108335000	USD
CY2013Q2	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	115145000	USD
CY2013Q2	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	72629000	USD
CY2013Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	191259000	USD
CY2013Q2	us-gaap	Common Stock Value CommonStockValue	2486871000	USD
CY2013Q2	us-gaap	Treasury Stock Value TreasuryStockValue	10117000	USD
CY2013Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1659868000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	64138000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-40319000	USD
CY2013Q2	us-gaap	Minority Interest MinorityInterest	137070000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	262000	USD
CY2013Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	59946000	USD
CY2012Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	57479000	USD
CY2012Q2	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	5033000	USD
CY2013Q2	pnw	Federal General Business Credits Carryforwards Whose Realization Would Be Delayed On Recognition Of Cash Benefit Noncurrent FederalGeneralBusinessCreditsCarryforwardsWhoseRealizationWouldBeDelayedOnRecognitionOfCashBenefitNoncurrent	39000000	USD
	us-gaap	Investment Tax Credit InvestmentTaxCredit	20159000	USD
	us-gaap	Investment Tax Credit InvestmentTaxCredit	5033000	USD
CY2013Q2	us-gaap	Income Taxes Receivable Noncurrent IncomeTaxesReceivableNoncurrent	71274000	USD
CY2013Q2	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Upper Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound	75000000	USD

Files In Submission

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$PNW
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2013 Q2 Form 10-Q Financial Statement

#000110465913059175 Filed on August 02, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PNW PINNACLE WEST CAPITAL CORP Stock $pnw

2013 Q2 Form 10-Q Financial Statement

#000110465913059175 Filed on August 02, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw