$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw

$pnw Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-Q Financial Statement

#000076462224000065 Filed on August 01, 2024

Income Statement

Concept	2024 Q3	2024 Q2
Revenue	$1.769B	$1.309B
YoY Change	8.0%	16.7%
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	$246.0M	$239.1M
YoY Change	12.05%	15.03%
% of Gross Profit
Operating Expenses	$1.222B	$995.2M
YoY Change	8.95%	6.06%
Operating Profit	$547.0M	$313.7M
YoY Change	5.95%	71.18%
Interest Expense	-$82.07M	-$84.05M
YoY Change	-193.45%	34.45%
% of Operating Profit	-15.0%	-26.79%
Other Income/Expense, Net	$24.54M	$24.64M
YoY Change	-21.15%	304.27%
Pretax Income	$473.5M	$240.5M
YoY Change	3.03%	89.6%
Income Tax	$74.23M	$32.42M
% Of Pretax Income	15.68%	13.48%
Net Earnings	$399.3M	$208.1M
YoY Change	-0.81%	95.11%
Net Earnings / Revenue	22.57%	15.9%
Basic Earnings Per Share	$3.47	$1.79
Diluted Earnings Per Share	$3.37	$1.76
COMMON SHARES
Basic Shares Outstanding	113.6M shares	113.6M shares
Diluted Shares Outstanding	117.1M shares	115.8M shares

Balance Sheet

Concept	2024 Q3	2024 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$49.17M	$4.007M
YoY Change	225.46%	-47.68%
Cash & Equivalents	$49.17M	$4.007M
Short-Term Investments
Other Short-Term Assets	$86.76M	$139.6M
YoY Change	-19.9%	-84.36%
Inventory	$528.0M	$549.0M
Prepaid Expenses
Receivables	$820.7M	$548.6M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$2.265B	$2.049B
YoY Change	4.75%	10.63%
LONG-TERM ASSETS
Property, Plant & Equipment	$16.38B	$16.29B
YoY Change	4.89%	-11.92%
Goodwill
YoY Change
Intangibles	$586.6M	$593.0M
YoY Change	135.11%	132.03%
Long-Term Investments
YoY Change
Other Assets	$122.4M	$119.4M
YoY Change	18.95%	-96.47%
Total Long-Term Assets	$24.04B	$23.65B
YoY Change	7.96%	6.89%
TOTAL ASSETS
Total Short-Term Assets	$2.265B	$2.049B
Total Long-Term Assets	$24.04B	$23.65B
Total Assets	$26.31B	$25.70B
YoY Change	7.67%	7.18%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$429.5M	$548.8M
YoY Change	6.05%	25.65%
Accrued Expenses	$203.0M	$183.9M
YoY Change	21.72%	23.23%
Deferred Revenue	$41.98M	$41.56M
YoY Change	3.5%	-0.06%
Short-Term Debt	$623.5M	$531.5M
YoY Change	47.05%	74.05%
Long-Term Debt Due	$1.000B	$1.000B
YoY Change	300.0%	213.57%
Total Short-Term Liabilities	$3.197B	$3.112B
YoY Change	62.44%	61.03%
LONG-TERM LIABILITIES
Long-Term Debt	$8.056B	$8.056B
YoY Change	-1.32%	-1.32%
Other Long-Term Liabilities	$232.1M	$221.4M
YoY Change	-19.6%	-95.76%
Total Long-Term Liabilities	$8.288B	$8.278B
YoY Change	-1.95%	-38.18%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.197B	$3.112B
Total Long-Term Liabilities	$8.288B	$8.278B
Total Liabilities	$11.49B	$11.39B
YoY Change	10.21%	-36.77%
SHAREHOLDERS EQUITY
Retained Earnings	$3.882B	$3.487B
YoY Change	5.9%	6.71%
Common Stock	$2.775B	$2.765B
YoY Change	1.09%	1.04%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$7.191M	$7.191M
YoY Change	34.97%	34.97%
Treasury Stock Shares
Shareholders Equity	$6.617B	$6.211B
YoY Change
Total Liabilities & Shareholders Equity	$26.31B	$25.70B
YoY Change	7.67%	7.18%

Cashflow Statement

Concept	2024 Q3	2024 Q2
OPERATING ACTIVITIES
Net Income	$399.3M	$208.1M
YoY Change	-0.81%	95.11%
Depreciation, Depletion And Amortization	$246.0M	$239.1M
YoY Change	12.05%	15.03%
Cash From Operating Activities	$633.2M	$189.8M
YoY Change	59.78%	-16.03%
INVESTING ACTIVITIES
Capital Expenditures	$665.8M	$534.0M
YoY Change	68.0%	12.88%
Acquisitions
YoY Change
Other Investing Activities	$83.64M	$70.95M
YoY Change	89.22%	66.97%
Cash From Investing Activities	-$582.2M	-$463.0M
YoY Change	65.34%	7.55%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-5.820M	267.6M
YoY Change	-84.14%	30.39%
NET CHANGE
Cash From Operating Activities	633.2M	189.8M
Cash From Investing Activities	-582.2M	-463.0M
Cash From Financing Activities	-5.820M	267.6M
Net Change In Cash	45.16M	-5.627M
YoY Change	506.23%	-895.9%
FREE CASH FLOW
Cash From Operating Activities	$633.2M	$189.8M
Capital Expenditures	$665.8M	$534.0M
Free Cash Flow	-$32.65M	-$344.2M
YoY Change	67927.08%	39.34%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024Q2	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	26364000	usd
CY2023Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	42975000	usd
CY2024Q2	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	514066000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	533580000	usd
CY2024Q2	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	186451000	usd
CY2023Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	184007000	usd
CY2024Q2	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	253661000	usd
CY2023Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	257743000	usd
CY2024Q2	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	35138000	usd
CY2023Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	33861000	usd
CY2024Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1515169000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1210189000	usd
CY2024Q2	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	8216559000	usd
CY2023Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	7946322000	usd
CY2024Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	113537689	shares
CY2024Q2	us-gaap	Common Stock Value CommonStockValue	2764511000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	2752676000	usd
CY2024Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	101641	shares
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	113272	shares
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	8185000	usd
CY2024Q2	pnw	Common Stock Value Common And Treasury CommonStockValueCommonAndTreasury	2757320000	usd
CY2024Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3487113000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3466317000	usd
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-33294000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-33144000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	6211139000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	6177664000	usd
CY2024Q2	us-gaap	Minority Interest MinorityInterest	105183000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	107198000	usd
CY2024Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6316322000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6284862000	usd
CY2024Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25701130000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	24661153000	usd
	us-gaap	Profit Loss ProfitLoss	229279000	usd
	us-gaap	Profit Loss ProfitLoss	111978000	usd
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	22988000	usd
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	465546000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	416652000	usd
	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	-64220000	usd
	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	-191304000	usd
	pnw	Increase Decrease Deferred Fuel And Purchased Power Amortization IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization	204748000	usd
	pnw	Increase Decrease Deferred Fuel And Purchased Power Amortization IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization	218586000	usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	19202000	usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	28095000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	339000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-35808000	usd
	pnw	Deferred Investment Tax Credit Expense DeferredInvestmentTaxCreditExpense	-4082000	usd
	pnw	Deferred Investment Tax Credit Expense DeferredInvestmentTaxCreditExpense	42601000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	239000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	10622000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	7225000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	57802000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	24748000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	147165000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	51976000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	55498000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	42156000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-332000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-9847000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	53124000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	35581000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	99513000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2051000	usd
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	34381000	usd
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-644000	usd
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-11061000	usd
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-61918000	usd
	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	-18183000	usd
	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	-4637000	usd
	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	40393000	usd
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1313229000	usd
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	675000000	usd
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	usd
	pnw	Proceeds From Repayments Of Short Term Debt Net ProceedsFromRepaymentsOfShortTermDebtNet	-78050000	usd
	pnw	Proceeds From Repayments Of Short Term Debt Net ProceedsFromRepaymentsOfShortTermDebtNet	-35370000	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	350000000	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	196296000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	192235000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4227000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2031000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	10628000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	10627000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	349028000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	448984000	usd
CY2024Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.76
CY2024Q2	pnw	Dividends Common Stock Net DividendsCommonStockNet	199868000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	7005000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-948000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2826000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4955000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4832000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4007000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7658000	usd
CY2024Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6310533000	usd
CY2024Q2	us-gaap	Profit Loss ProfitLoss	208111000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-712000	usd
CY2024Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.76
CY2024Q2	pnw	Dividends Common Stock Net DividendsCommonStockNet	199868000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	7005000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1882000	usd
CY2024Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
CY2024Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	1000	usd
CY2023Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6164451000	usd
CY2023Q2	us-gaap	Profit Loss ProfitLoss	110969000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-55000	usd
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
CY2023Q2	pnw	Dividends Common Stock Net DividendsCommonStockNet	195981000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	5261000	usd
CY2023Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	119000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	2242000	usd
CY2023Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
CY2023Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	3000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6076137000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6284862000	usd
	us-gaap	Profit Loss ProfitLoss	229279000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-150000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.76
	pnw	Dividends Common Stock Net DividendsCommonStockNet	199868000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	11835000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4907000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	5900000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	1000	usd
CY2024Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6316322000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6159876000	usd
	us-gaap	Profit Loss ProfitLoss	111978000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-156000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
	pnw	Dividends Common Stock Net DividendsCommonStockNet	195981000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	11372000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2609000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	2287000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	2000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6076137000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25019000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17000	usd
	us-gaap	Interest Paid Net InterestPaidNet	177323000	usd
	us-gaap	Interest Paid Net InterestPaidNet	154477000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1882000	usd
CY2024Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
CY2024Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	1000	usd
CY2024Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6316322000	usd
CY2023Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6164451000	usd
CY2023Q2	us-gaap	Profit Loss ProfitLoss	110969000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-55000	usd
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
CY2023Q2	pnw	Dividends Common Stock Net DividendsCommonStockNet	195981000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	5261000	usd
CY2023Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	119000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	2242000	usd
CY2023Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
CY2023Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	3000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6076137000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6284862000	usd
	us-gaap	Profit Loss ProfitLoss	229279000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-150000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.76
	pnw	Dividends Common Stock Net DividendsCommonStockNet	199868000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	11835000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4907000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	5900000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	1000	usd
CY2024Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6316322000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6159876000	usd
	us-gaap	Profit Loss ProfitLoss	111978000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-156000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
	pnw	Dividends Common Stock Net DividendsCommonStockNet	195981000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	11372000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2609000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	2287000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10628000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	2000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6076137000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25019000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17000	usd
	us-gaap	Interest Paid Net InterestPaidNet	177323000	usd
	us-gaap	Interest Paid Net InterestPaidNet	154477000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	214182000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	148433000	usd
CY2024Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	99936000	usd
CY2023Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	98014000	usd
	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	36510000	usd
	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	0	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	214182000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	148433000	usd
CY2024Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	99936000	usd
CY2023Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	98014000	usd
	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	36510000	usd
	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	0	usd
CY2024Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1308994000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1121703000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2260706000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2066658000	usd
CY2024Q2	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	6000000	usd
	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	15000000	usd
CY2023Q2	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	10000000	usd
	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	33000000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	22433000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	23778000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11512000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	23399000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	18119000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	24744000	usd
CY2024Q2	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	15826000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	22433000	usd
CY2024Q2	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	9056225000	usd
CY2024Q2	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	8045129000	usd
CY2023Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	8415622000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	7555653000	usd
CY2024Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1308994000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1121703000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2260706000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2066658000	usd
CY2024Q2	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	6000000	usd
	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	15000000	usd
CY2023Q2	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	10000000	usd
	pnw	Regulatory Cost Recovery Revenue RegulatoryCostRecoveryRevenue	33000000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	22433000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	23778000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11512000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	23399000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	18119000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	24744000	usd
CY2024Q2	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	15826000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	22433000	usd
CY2024Q2	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	9056225000	usd
CY2024Q2	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	8045129000	usd
CY2023Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	8415622000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	7555653000	usd
CY2024Q1	pnw	Regulatory Matters Revenue Increase Decrease RegulatoryMattersRevenueIncreaseDecrease	523100000	usd
CY2024Q1	pnw	Regulatory Matters Revenue Increase Decrease RegulatoryMattersRevenueIncreaseDecrease	491700000	usd
CY2024Q2	us-gaap	Regulatory Assets RegulatoryAssets	1850911000	usd
CY2023Q4	us-gaap	Regulatory Assets RegulatoryAssets	2016036000	usd
CY2024Q2	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	491933000	usd
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	625757000	usd
CY2024Q2	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1358978000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1390279000	usd
CY2024Q2	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2041781000	usd
CY2023Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2175788000	usd
CY2024Q2	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	230551000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	209923000	usd
CY2024Q2	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1811230000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1965865000	usd
CY2024Q1	pnw	Regulatory Matters Revenue Increase Decrease RegulatoryMattersRevenueIncreaseDecrease	523100000	usd
CY2024Q1	pnw	Regulatory Matters Revenue Increase Decrease RegulatoryMattersRevenueIncreaseDecrease	491700000	usd
CY2024Q2	us-gaap	Regulatory Assets RegulatoryAssets	1850911000	usd
CY2023Q4	us-gaap	Regulatory Assets RegulatoryAssets	2016036000	usd
CY2024Q2	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	491933000	usd
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	625757000	usd
CY2024Q2	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1358978000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1390279000	usd
CY2024Q2	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2041781000	usd
CY2023Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2175788000	usd
CY2024Q2	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	230551000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	209923000	usd
CY2024Q2	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1811230000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1965865000	usd
CY2024Q2	pnw	Production Tax Credit Guarantees ProductionTaxCreditGuarantees	30000000	usd
CY2024Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	5396000	usd
CY2023Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	6406000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	12956000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	12432000	usd
CY2024Q2	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
CY2023Q2	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	22988000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
CY2024Q2	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	489000	usd
CY2023Q2	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	0	usd
	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	548000	usd
	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	51000	usd
CY2024Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5885000	usd
CY2023Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	6406000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	36492000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	12483000	usd
CY2024Q2	pnw	Non Operating Costs NonOperatingCosts	2038000	usd
CY2023Q2	pnw	Non Operating Costs NonOperatingCosts	3355000	usd
	pnw	Non Operating Costs NonOperatingCosts	8188000	usd
	pnw	Non Operating Costs NonOperatingCosts	5996000	usd
CY2024Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-497000	usd
CY2023Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-434000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-1274000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-1495000	usd
CY2024Q2	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	497000	usd
CY2023Q2	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	1024000	usd
	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	1137000	usd
	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	1453000	usd
CY2024Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	3032000	usd
CY2023Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	4813000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	10599000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	8944000	usd
CY2024Q2	pnw	Production Tax Credit Guarantees ProductionTaxCreditGuarantees	30000000	usd
CY2024Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	5396000	usd
CY2023Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	6406000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	12956000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	12432000	usd
CY2024Q2	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
CY2023Q2	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	22988000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
CY2024Q2	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	489000	usd
CY2023Q2	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	0	usd
	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	548000	usd
	pnw	Miscellaneous Other Non Operating Income MiscellaneousOtherNonOperatingIncome	51000	usd
CY2024Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5885000	usd
CY2023Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	6406000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	36492000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	12483000	usd
CY2024Q2	pnw	Non Operating Costs NonOperatingCosts	2038000	usd
CY2023Q2	pnw	Non Operating Costs NonOperatingCosts	3355000	usd
	pnw	Non Operating Costs NonOperatingCosts	8188000	usd
	pnw	Non Operating Costs NonOperatingCosts	5996000	usd
CY2024Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-497000	usd
CY2023Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-434000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-1274000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-1495000	usd
CY2024Q2	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	497000	usd
CY2023Q2	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	1024000	usd
	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	1137000	usd
	pnw	Miscellaneous Other Non Operating Expense MiscellaneousOtherNonOperatingExpense	1453000	usd
CY2024Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	3032000	usd
CY2023Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	4813000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	10599000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	8944000	usd
CY2024Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	203805000	usd
CY2023Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	106663000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	220667000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	103366000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113695000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113411000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113658000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113385000	shares
CY2024Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	489000	shares
CY2024Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	203805000	usd
CY2023Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	106663000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	220667000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	103366000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113695000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113411000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113658000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113385000	shares
CY2024Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	489000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	306000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	408000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	272000	shares
CY2024Q2	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	1619000	shares
CY2023Q2	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	0	shares
	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	949000	shares
	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	0	shares
CY2024Q2	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	2108000	shares
CY2023Q2	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	306000	shares
	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	1357000	shares
	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	272000	shares
CY2024Q2	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	115803000	shares
CY2023Q2	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	113717000	shares
	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	115015000	shares
	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	113657000	shares
CY2024Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.79
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.94
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
CY2024Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	348499000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	348499000	shares
CY2024Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	16000	usd
CY2024Q2	pnw	Decommissioning Fund Investments Fair Value Net Pending Securities Sales And Purchases DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesAndPurchases	392452000	usd
CY2024Q2	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	1245593000	usd
CY2024Q2	pnw	Special Use Fund Investments Other Net Fair Value Pending Sales And Purchases SpecialUseFundInvestmentsOtherNetFairValuePendingSalesAndPurchases	2287000	usd
CY2024Q2	pnw	Special Use Fund Investments Other Gross Fair Value SpecialUseFundInvestmentsOtherGrossFairValue	367804000	usd
CY2024Q2	pnw	Assets Fair Value Gross Liability And Net Pending Securities Sales And Purchases AssetsFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	392054000	usd
CY2024Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1614173000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	10000	usd
CY2023Q4	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	1201246000	usd
CY2023Q4	pnw	Special Use Fund Investments Other Net Fair Value Pending Sales And Purchases SpecialUseFundInvestmentsOtherNetFairValuePendingSalesAndPurchases	2196000	usd
CY2023Q4	pnw	Special Use Fund Investments Other Gross Fair Value SpecialUseFundInvestmentsOtherGrossFairValue	362781000	usd
CY2023Q4	pnw	Assets Fair Value Gross Liability And Net Pending Securities Sales And Purchases AssetsFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	409356000	usd
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1570845000	usd
CY2023Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	306000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	408000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	272000	shares
CY2024Q2	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	1619000	shares
CY2023Q2	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	0	shares
	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	949000	shares
	pnw	Dilutive Shares Related To Equity Forward Sale Agreements DilutiveSharesRelatedToEquityForwardSaleAgreements	0	shares
CY2024Q2	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	2108000	shares
CY2023Q2	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	306000	shares
	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	1357000	shares
	pnw	Common Stock Shares Contingently Issuable Shares Authorized CommonStockSharesContingentlyIssuableSharesAuthorized	272000	shares
CY2024Q2	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	115803000	shares
CY2023Q2	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	113717000	shares
	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	115015000	shares
	pnw	Weighted Average Number Of Shares Outstanding Diluted Including Anti Dilutive Securities WeightedAverageNumberOfSharesOutstandingDilutedIncludingAntiDilutiveSecurities	113657000	shares
CY2024Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.79
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.94
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
CY2024Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	348499000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	348499000	shares
CY2024Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	16000	usd
CY2024Q2	pnw	Decommissioning Fund Investments Fair Value Net Pending Securities Sales And Purchases DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesAndPurchases	392452000	usd
CY2024Q2	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	1245593000	usd
CY2024Q2	pnw	Special Use Fund Investments Other Net Fair Value Pending Sales And Purchases SpecialUseFundInvestmentsOtherNetFairValuePendingSalesAndPurchases	2287000	usd
CY2024Q2	pnw	Special Use Fund Investments Other Gross Fair Value SpecialUseFundInvestmentsOtherGrossFairValue	367804000	usd
CY2024Q2	pnw	Assets Fair Value Gross Liability And Net Pending Securities Sales And Purchases AssetsFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	392054000	usd
CY2024Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1614173000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	10000	usd
CY2023Q4	pnw	Decommissioning Fund Investments Fair Value Net Pending Securities Sales And Purchases DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesAndPurchases	408849000	usd
CY2023Q4	us-gaap	Decommissioning Trust Assets Amount DecommissioningTrustAssetsAmount	1201246000	usd
CY2023Q4	pnw	Special Use Fund Investments Other Net Fair Value Pending Sales And Purchases SpecialUseFundInvestmentsOtherNetFairValuePendingSalesAndPurchases	2196000	usd
CY2023Q4	pnw	Special Use Fund Investments Other Gross Fair Value SpecialUseFundInvestmentsOtherGrossFairValue	362781000	usd
CY2023Q4	pnw	Assets Fair Value Gross Liability And Net Pending Securities Sales And Purchases AssetsFairValueGrossLiabilityAndNetPendingSecuritiesSalesAndPurchases	409356000	usd
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1570845000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1177000	usd
CY2024Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-465000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-536000	usd
CY2023Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-481000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1177000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1027000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1152000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-996000	usd
CY2024Q2	pnw	Number Of Lease Agreements Lease And Sell Back NumberOfLeaseAgreementsLeaseAndSellBack	3	lease
CY2024Q2	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P20Y
CY2024Q2	pnw	Number Of Energy Storage Lease Agreements NumberOfEnergyStorageLeaseAgreements	3	agreement
CY2024Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	44416000	usd
CY2023Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	40453000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	50126000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	45229000	usd
CY2024Q2	us-gaap	Variable Lease Cost VariableLeaseCost	47783000	usd
CY2023Q2	us-gaap	Variable Lease Cost VariableLeaseCost	47994000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	69347000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	64724000	usd
CY2024Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	6445000	usd
CY2023Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	7403000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	9245000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	8804000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	122650000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	178003000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	201485000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	202840000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	204788000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1114036000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1177000	usd
CY2024Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-465000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-536000	usd
CY2023Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-481000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1177000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1027000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1152000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-996000	usd
CY2024Q2	pnw	Number Of Lease Agreements Lease And Sell Back NumberOfLeaseAgreementsLeaseAndSellBack	3	lease
CY2024Q2	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P20Y
CY2024Q2	pnw	Number Of Energy Storage Lease Agreements NumberOfEnergyStorageLeaseAgreements	3	agreement
CY2024Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	44416000	usd
CY2023Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	40453000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	50126000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	45229000	usd
CY2024Q2	us-gaap	Variable Lease Cost VariableLeaseCost	47783000	usd
CY2023Q2	us-gaap	Variable Lease Cost VariableLeaseCost	47994000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	69347000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	64724000	usd
CY2024Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	6445000	usd
CY2023Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	7403000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	9245000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	8804000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	122650000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	166593000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	178003000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	201485000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	202840000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	204788000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1114036000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2190395000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	567994000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	1622401000	usd
CY2024Q2	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	6900000000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	18278000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	13798000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	309141000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	553665000	usd
CY2024Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2190395000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	567994000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	1622401000	usd
CY2024Q2	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	6900000000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	18278000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	13798000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	309141000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	553665000	usd
CY2024Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y
CY2024Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0485
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0453
CY2024Q2	pnw	Number Of New Energy Storage Operating Lease Agreements NumberOfNewEnergyStorageOperatingLeaseAgreements	2	agreement
CY2024Q2	pnw	Number Of Purchase Power Operating Lease Agreements NumberOfPurchasePowerOperatingLeaseAgreements	2	agreement
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	966001000	usd
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	25451000	usd
	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	4771000	usd
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	154042000	usd
CY2024Q2	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1140723000	usd
CY2024Q2	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q2	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q2	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q2	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y
CY2024Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0485
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0453
CY2024Q2	pnw	Number Of New Energy Storage Operating Lease Agreements NumberOfNewEnergyStorageOperatingLeaseAgreements	2	agreement
CY2024Q2	pnw	Number Of Purchase Power Operating Lease Agreements NumberOfPurchasePowerOperatingLeaseAgreements	2	agreement
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	966001000	usd
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	25451000	usd
	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	4771000	usd
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	154042000	usd
CY2024Q2	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1140723000	usd
CY2024Q2	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q2	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q2	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q2	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
0000764622-24-000065-index-headers.html	Edgar Link	pending
0000764622-24-000065-index.html	Edgar Link	pending
0000764622-24-000065.txt	Edgar Link	pending
0000764622-24-000065-xbrl.zip	Edgar Link	pending
exhibit311-06302024.htm	Edgar Link	pending
exhibit312-06302024.htm	Edgar Link	pending
exhibit313-06302024.htm	Edgar Link	pending
exhibit314-06302024.htm	Edgar Link	pending
exhibit321-06302024.htm	Edgar Link	pending
exhibit322-06302024.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
pnw-20240630.htm	Edgar Link	pending
pnw-20240630.xsd	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
pnw-20240630_def.xml	Edgar Link	unprocessable
pnw-20240630_lab.xml	Edgar Link	unprocessable
pnw-20240630_pre.xml	Edgar Link	unprocessable
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
pnw-20240630_cal.xml	Edgar Link	unprocessable
pnw-20240630_htm.xml	Edgar Link	completed

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw

2024 Q3 Form 10-Q Financial Statement

#000076462224000065 Filed on August 01, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PNW PINNACLE WEST CAPITAL CORP Stock $pnw

2024 Q3 Form 10-Q Financial Statement

#000076462224000065 Filed on August 01, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PNW
PINNACLE WEST CAPITAL CORP Stock $pnw