$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw

$pnw Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-Q Financial Statement

#000076462223000103 Filed on November 02, 2023

Income Statement

Concept	2023 Q4	2023 Q3
Revenue	$991.6M	$1.638B
YoY Change	-1.76%	11.42%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$217.9M	$219.6M
YoY Change	6.37%	5.65%
% of Gross Profit
Operating Expenses	$917.2M	$1.121B
YoY Change	-5.69%	6.58%
Operating Profit		$516.3M
YoY Change		23.63%
Interest Expense	-$69.29M	$87.82M
YoY Change	-2.07%	38.31%
% of Operating Profit		17.01%
Other Income/Expense, Net	$2.197M	$31.12M
YoY Change	-60.51%	6.28%
Pretax Income	$7.070M	$459.6M
YoY Change	-124.86%	19.88%
Income Tax	$2.787M	$57.05M
% Of Pretax Income	39.42%	12.41%
Net Earnings	-$23.00K	$402.5M
YoY Change	-99.9%	21.74%
Net Earnings / Revenue	0.0%	24.58%
Basic Earnings Per Share		$3.51
Diluted Earnings Per Share	$0.00	$3.50
COMMON SHARES
Basic Shares Outstanding	113.4M shares	113.3M shares
Diluted Shares Outstanding		113.8M shares

Balance Sheet

Concept	2023 Q4	2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.955M	$15.11M
YoY Change	2.55%	114.85%
Cash & Equivalents	$4.955M	$15.11M
Short-Term Investments
Other Short-Term Assets	$101.4M	$108.3M
YoY Change	68.77%	66.59%
Inventory	$493.5M	$493.8M
Prepaid Expenses
Receivables	$491.5M	$644.3M
Other Receivables	$332.0K	$0.00
Total Short-Term Assets	$1.927B	$2.162B
YoY Change	10.08%	7.21%
LONG-TERM ASSETS
Property, Plant & Equipment	$15.80B	$15.62B
YoY Change	8.82%	7.9%
Goodwill
YoY Change
Intangibles	$267.1M	$249.5M
YoY Change	3.18%	1.13%
Long-Term Investments
YoY Change
Other Assets	$102.8M	$102.9M
YoY Change	-18.16%	-15.23%
Total Long-Term Assets	$22.73B	$22.27B
YoY Change	8.4%	6.94%
TOTAL ASSETS
Total Short-Term Assets	$1.927B	$2.162B
Total Long-Term Assets	$22.73B	$22.27B
Total Assets	$24.66B	$24.43B
YoY Change	8.53%	6.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$442.5M	$405.0M
YoY Change	2.79%	-14.81%
Accrued Expenses	$140.8M	$166.8M
YoY Change	-15.4%	-12.46%
Deferred Revenue	$42.04M	$40.56M
YoY Change	0.64%	-2.81%
Short-Term Debt	$609.5M	$424.0M
YoY Change	78.89%	-9.17%
Long-Term Debt Due	$875.0M	$250.0M
YoY Change	1626.35%	804.88%
Total Short-Term Liabilities	$2.889B	$1.968B
YoY Change	63.97%	-4.49%
LONG-TERM LIABILITIES
Long-Term Debt	$7.541B	$8.164B
YoY Change	-2.59%	11.17%
Other Long-Term Liabilities	$251.5M	$288.7M
YoY Change	-0.27%	15.82%
Total Long-Term Liabilities	$7.792B	$8.453B
YoY Change	-2.52%	11.32%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.889B	$1.968B
Total Long-Term Liabilities	$7.792B	$8.453B
Total Liabilities	$10.68B	$10.42B
YoY Change	9.49%	7.95%
SHAREHOLDERS EQUITY
Retained Earnings	$3.466B	$3.666B
YoY Change	3.15%	2.4%
Common Stock	$2.753B	$2.745B
YoY Change	1.03%	0.89%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$8.185M	$5.328M
YoY Change	63.54%	104.69%
Treasury Stock Shares
Shareholders Equity	$6.178B	$6.375B
YoY Change
Total Liabilities & Shareholders Equity	$24.66B	$24.43B
YoY Change	8.53%	6.96%

Cashflow Statement

Concept	2023 Q4	2023 Q3
OPERATING ACTIVITIES
Net Income	-$23.00K	$402.5M
YoY Change	-99.9%	21.74%
Depreciation, Depletion And Amortization	$217.9M	$219.6M
YoY Change	6.37%	5.65%
Cash From Operating Activities	$373.8M	$396.3M
YoY Change	78.4%	-10.67%
INVESTING ACTIVITIES
Capital Expenditures	$531.8M	$396.3M
YoY Change	23.5%	-191.4%
Acquisitions
YoY Change
Other Investing Activities	$73.50M	$44.20M
YoY Change	113.17%	637.05%
Cash From Investing Activities	-$458.3M	-$352.1M
YoY Change	15.7%	-17.66%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	74.39M	-36.70M
YoY Change	-59.66%	-3.77%
NET CHANGE
Cash From Operating Activities	373.8M	396.3M
Cash From Investing Activities	-458.3M	-352.1M
Cash From Financing Activities	74.39M	-36.70M
Net Change In Cash	-10.15M	7.450M
YoY Change	361.5%	-133.62%
FREE CASH FLOW
Cash From Operating Activities	$373.8M	$396.3M
Capital Expenditures	$531.8M	$396.3M
Free Cash Flow	-$158.0M	-$48.00K
YoY Change	-28.52%	-100.01%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q3	us-gaap	Interest Expense InterestExpense	87817000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	63493000	usd
	us-gaap	Interest Expense InterestExpense	244729000	usd
	us-gaap	Interest Expense InterestExpense	186630000	usd
	dei	Document Type DocumentType	10-Q
CY2023Q3	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	3171000	usd
CY2022Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	44394000	usd
CY2023Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	102863000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	125672000	usd
CY2023Q3	pnw	Total Investments And Other Assets TotalInvestmentsAndOtherAssets	1594656000	usd
CY2022Q4	pnw	Total Investments And Other Assets TotalInvestmentsAndOtherAssets	1590707000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	23939969000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	22452146000	usd
CY2023Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8319351000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7929878000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	15620618000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14522268000	usd
CY2023Q3	pnw	Construction Work In Progress Gross ConstructionWorkInProgressGross	1536323000	usd
CY2022Q4	pnw	Construction Work In Progress Gross ConstructionWorkInProgressGross	1882791000	usd
CY2022Q4	pnw	Public Utilities Property Plant And Equipment Sale Leaseback Net PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet	90296000	usd
CY2023Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	249480000	usd
CY2023Q3	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	112956000	usd
CY2022Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	100119000	usd
CY2023Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	17606771000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	16854354000	usd
CY2023Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1303244000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1283221000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1307643000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	801688000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	407065000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	396599000	usd
CY2023Q3	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	53109000	usd
CY2022Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	46282000	usd
CY2023Q3	pnw	Total Deferred Debits TotalDeferredDebits	3071061000	usd
CY2022Q4	pnw	Total Deferred Debits TotalDeferredDebits	2527790000	usd
CY2023Q3	us-gaap	Assets Assets	24434426000	usd
CY2022Q4	us-gaap	Assets Assets	22723405000	usd
CY2023Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	404971000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	430425000	usd
CY2023Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	265463000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	164440000	usd
CY2023Q3	us-gaap	Interest Payable Current InterestPayableCurrent	76192000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	61217000	usd
CY2023Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	0	usd
CY2022Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	97895000	usd
CY2023Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	424000000	usd
CY2022Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	340720000	usd
CY2023Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	250000000	usd
CY2022Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	50685000	usd
CY2023Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	40557000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	41769000	usd
CY2023Q3	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	42732000	usd
CY2022Q4	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	37697000	usd
CY2023Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	16445000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	12232000	usd
CY2023Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	90578000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	105210000	usd
CY2023Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	226989000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	271575000	usd
CY2023Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	130415000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	148276000	usd
CY2023Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1968342000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1762141000	usd
CY2023Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	8164372000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	7741286000	usd
CY2023Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	2408218000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	2384421000	usd
CY2023Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1919281000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2061776000	usd
CY2023Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	878735000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	785530000	usd
CY2023Q3	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	110472000	usd
CY2022Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	116286000	usd
CY2023Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	13012000	usd
CY2022Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	4749000	usd
CY2023Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	520180000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	422103000	usd
CY2023Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	182816000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	179255000	usd
CY2023Q3	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	253680000	usd
CY2022Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	180677000	usd
CY2023Q3	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	33738000	usd
CY2022Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	38658000	usd
CY2023Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1204639000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	639247000	usd
CY2023Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	288736000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	247400000	usd
CY2023Q3	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	7813507000	usd
CY2022Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	7060102000	usd
CY2023Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2023Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	113414167	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	113247189	shares
CY2023Q3	us-gaap	Common Stock Value CommonStockValue	2744501000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	2724740000	usd
CY2023Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	75767	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	73613	shares
CY2023Q3	us-gaap	Treasury Stock Value TreasuryStockValue	5328000	usd
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	5005000	usd
CY2023Q3	pnw	Common Stock Value Common And Treasury CommonStockValueCommonAndTreasury	2739173000	usd
CY2022Q4	pnw	Common Stock Value Common And Treasury CommonStockValueCommonAndTreasury	2719735000	usd
CY2023Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3665946000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3360347000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-30434000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-31435000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	6374685000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	6048647000	usd
CY2023Q3	us-gaap	Minority Interest MinorityInterest	113520000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	111229000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6488205000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6159876000	usd
CY2023Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	24434426000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22723405000	usd
	us-gaap	Profit Loss ProfitLoss	514498000	usd
	us-gaap	Profit Loss ProfitLoss	520512000	usd
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	6423000	usd
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	636224000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	612958000	usd
	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	-486382000	usd
	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	-228483000	usd
	pnw	Increase Decrease Deferred Fuel And Purchased Power Amortization IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization	420277000	usd
	pnw	Increase Decrease Deferred Fuel And Purchased Power Amortization IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization	171607000	usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	40071000	usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	30966000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-35258000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	43440000	usd
	pnw	Deferred Investment Tax Expense Credit DeferredInvestmentTaxExpenseCredit	73003000	usd
	pnw	Deferred Investment Tax Expense Credit DeferredInvestmentTaxExpenseCredit	-7152000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	778000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	12304000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	12824000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	214291000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	213181000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	62234000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	87043000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	43193000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	72623000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-14087000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-7514000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	11585000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-54272000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-79603000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	137433000	usd
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	101022000	usd
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	117044000	usd
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	18074000	usd
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	12575000	usd
	us-gaap	Increase Decrease In Margin Deposits Outstanding IncreaseDecreaseInMarginDepositsOutstanding	418000	usd
	us-gaap	Increase Decrease In Margin Deposits Outstanding IncreaseDecreaseInMarginDepositsOutstanding	-8832000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	689349000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	455628000	usd
	pnw	Proceeds From Repayments Of Short Term Debt Net ProceedsFromRepaymentsOfShortTermDebtNet	56400000	usd
	pnw	Proceeds From Repayments Of Short Term Debt Net ProceedsFromRepaymentsOfShortTermDebtNet	174820000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	288456000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	282838000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	32740000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	150000000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	-1644000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	62000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	10628000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	10628000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	412281000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	187044000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	10276000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2937000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4832000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9969000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15108000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7032000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6076137000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	402520000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1157000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	8389000	usd
CY2023Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-2000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6488205000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6021523000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	330632000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1514000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	8067000	usd
CY2022Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	279000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	652000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-1000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6488205000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6021460000	usd
	us-gaap	Profit Loss ProfitLoss	520512000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1561000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.70
	pnw	Dividends Common Stock Net DividendsCommonStockNet	192213000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	17621000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1994000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	5792000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-2000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6362113000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	19000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	4784000	usd
	us-gaap	Interest Paid Net InterestPaidNet	222715000	usd
	us-gaap	Interest Paid Net InterestPaidNet	177767000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	169148000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	112579000	usd
	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	34162000	usd
	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	0	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1637759000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1469871000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3704417000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3315071000	usd
CY2023Q3	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	3000000	usd
	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	36000000	usd
CY2022Q3	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	5000000	usd
	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	16000000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	23778000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	25354000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	15159000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	17006000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	18289000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	18582000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	20648000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	23778000	usd
CY2023Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	8414372000	usd
CY2023Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	7057297000	usd
CY2022Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	7791971000	usd
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	6585701000	usd
CY2023Q3	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	6972000	usd
CY2022Q3	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	6745000	usd
CY2019Q4	pnw	Rate Plan Comparison Tool Number Of Customers RatePlanComparisonToolNumberOfCustomers	13000	customer
CY2019Q4	pnw	Rate Plan Comparison Tool Inconvenience Payment RatePlanComparisonToolInconveniencePayment	25	usd
CY2020Q3	pnw	Rate Plan Comparison Tool Inconvenience Payment RatePlanComparisonToolInconveniencePayment	25	usd
CY2020Q3	pnw	Rate Plan Comparison Tool Number Of Customers RatePlanComparisonToolNumberOfCustomers	3800	customer
CY2023Q3	pnw	Regulatory Asset Including Deferred Fuel And Purchased Power Regulatory Asset Current RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent	1933563000	usd
CY2022Q4	pnw	Regulatory Asset Including Deferred Fuel And Purchased Power Regulatory Asset Current RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent	1822100000	usd
CY2023Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	630319000	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	538879000	usd
CY2023Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1303244000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1283221000	usd
CY2023Q3	pnw	Regulatory Liability Including Deferred Fuel And Purchased Power Regulatory Liability Current RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent	2146270000	usd
CY2022Q4	pnw	Regulatory Liability Including Deferred Fuel And Purchased Power Regulatory Liability Current RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent	2333351000	usd
CY2023Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	226989000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	271575000	usd
CY2023Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1919281000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2061776000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	15916000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	14751000	usd
CY2023Q3	pnw	Assets Fair Value Gross Liability And Net Pending Securities Sales And Purchases AssetsFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	384097000	usd
CY2023Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1503184000	usd
	us-gaap	Unrecorded Unconditional Purchase Obligation Purchases UnrecordedUnconditionalPurchaseObligationPurchases	6800000000	usd
	pnw	Unrecorded Unconditional Purchase Obligation Reduction Due To Termination UnrecordedUnconditionalPurchaseObligationReductionDueToTermination	505000000	usd
CY2023Q2	pnw	Non Recourse Construction Financing Agreement NonRecourseConstructionFinancingAgreement	140000000	usd
CY2023Q2	pnw	Financing Agreement Of Sponsor Equity FinancingAgreementOfSponsorEquity	40000000	usd
CY2023Q3	pnw	Production Tax Credit Guarantees ProductionTaxCreditGuarantees	32000000	usd
CY2023Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	9515000	usd
CY2022Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	1785000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	21946000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	5118000	usd
CY2023Q3	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	6423000	usd
CY2022Q3	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	6423000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
CY2023Q3	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	3000	usd
CY2022Q3	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	434000	usd
	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	55000	usd
	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	487000	usd
CY2023Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	15941000	usd
CY2022Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	2219000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	28424000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5605000	usd
CY2023Q3	pnw	Non Operating Costs NonOperatingCosts	3322000	usd
CY2022Q3	pnw	Non Operating Costs NonOperatingCosts	2956000	usd
	pnw	Non Operating Costs NonOperatingCosts	9319000	usd
	pnw	Non Operating Costs NonOperatingCosts	9110000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-870000	usd
CY2022Q3	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-935000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-2364000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-2191000	usd
CY2023Q3	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	2780000	usd
CY2022Q3	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	2854000	usd
	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	4233000	usd
	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	3450000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	398214000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	326326000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	501580000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	507594000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113464000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113211000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113411000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113162000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	374000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	252000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	307000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	214000	shares
CY2023Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	15000	usd
CY2023Q3	pnw	Decommissioning Fund Investments Fair Value Net Pending Securities Sales And Purchases DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesAndPurchases	396716000	usd
CY2023Q3	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	1120463000	usd
CY2023Q3	pnw	Special Use Fund Investments Other Net Fair Value Pending Sales And Purchases SpecialUseFundInvestmentsOtherNetFairValuePendingSalesAndPurchases	1282000	usd
CY2023Q3	pnw	Special Use Fund Investments Other Gross Fair Value SpecialUseFundInvestmentsOtherGrossFairValue	368159000	usd
CY2023Q3	pnw	Liabilities Fair Value Gross Liability And Net Pending Securities Sales And Purchases LiabilitiesFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	6835000	usd
CY2023Q3	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	55744000	usd
CY2022Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	21163000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	132229000	usd
CY2022Q4	pnw	Decommissioning Fund Investments Fair Value Net Pending Securities Sales And Purchases DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesAndPurchases	476409000	usd
CY2022Q4	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	1073410000	usd
CY2022Q4	pnw	Special Use Fund Investments Other Net Fair Value Pending Sales And Purchases SpecialUseFundInvestmentsOtherNetFairValuePendingSalesAndPurchases	963000	usd
CY2022Q4	pnw	Special Use Fund Investments Other Gross Fair Value SpecialUseFundInvestmentsOtherGrossFairValue	347231000	usd
CY2022Q4	pnw	Assets Fair Value Gross Liability And Net Pending Securities Sales And Purchases AssetsFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	456209000	usd
CY2022Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1552870000	usd
CY2022Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	15357000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	42446000	usd
CY2022Q4	pnw	Liabilities Fair Value Gross Liability And Net Pending Securities Sales And Purchases LiabilitiesFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	15357000	usd
CY2022Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	42446000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-493000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1494000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1441000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-3002000	usd
CY2023Q3	pnw	Number Of Lease Agreements Lease And Sell Back NumberOfLeaseAgreementsLeaseAndSellBack	3	lease
CY2023Q1	pnw	Number Of Purchase Power Operating Lease Agreements NumberOfPurchasePowerOperatingLeaseAgreements	2	agreement
CY2023Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	86276000	usd
CY2022Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	73170000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	131505000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	111451000	usd
CY2023Q3	us-gaap	Variable Lease Cost VariableLeaseCost	48572000	usd
CY2022Q3	us-gaap	Variable Lease Cost VariableLeaseCost	42188000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	113296000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	103493000	usd
CY2023Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	9114000	usd
CY2022Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5065000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	17918000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	8568000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	34524000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	122165000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	136448000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	147873000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	171767000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	173241000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	899286000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1685304000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	390087000	usd
CY2023Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	1295217000	usd
CY2023Q3	pnw	Lease Notyet Commenced Liability Leaseand Nonlease Payments LeaseNotyetCommencedLiabilityLeaseandNonleasePayments	7100000000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	89304000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	86323000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	599281000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	14533000	usd
CY2023Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2023Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0453
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0221
CY2023Q1	pnw	Number Of Purchase Power Operating Lease Agreements NumberOfPurchasePowerOperatingLeaseAgreements	2	agreement
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	797762000	usd
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	32763000	usd
	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	5750000	usd
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	70405000	usd
CY2023Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	895180000	usd
CY2023Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
pnw-20230930_def.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
pnw-20230930_lab.xml	Edgar Link	unprocessable
pnw-20230930_cal.xml	Edgar Link	unprocessable
0000764622-23-000103-index-headers.html	Edgar Link	pending
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0000764622-23-000103.txt	Edgar Link	pending
0000764622-23-000103-xbrl.zip	Edgar Link	pending
exhibit311-09302023.htm	Edgar Link	pending
exhibit312-09302023.htm	Edgar Link	pending
exhibit313-09302023.htm	Edgar Link	pending
exhibit314-09302023.htm	Edgar Link	pending
exhibit321-09302023.htm	Edgar Link	pending
exhibit322-09302023.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
pnw-20230930.htm	Edgar Link	pending
pnw-20230930.xsd	Edgar Link	pending
R1.htm	Edgar Link	pending
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pnw-20230930_pre.xml	Edgar Link	unprocessable
pnw-20230930_htm.xml	Edgar Link	completed
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$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw

2023 Q4 Form 10-Q Financial Statement

#000076462223000103 Filed on November 02, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$PNW PINNACLE WEST CAPITAL CORP Stock $pnw

2023 Q4 Form 10-Q Financial Statement

#000076462223000103 Filed on November 02, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw