Maximum Value Of Shares Outstanding Under ATM Program

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- Definition

Sale Of Stock, Outstanding Agreement, Value Of Shares Expected To Be Issued In Transaction

+ References

No definition available.

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- Definition

Sale Of Stock, Settlement Terms, Expected Number Of Shares Issued In Transaction

+ References

No definition available.

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- Definition

Sale Of Stock, Settlement Terms, Expected Proceeds From Issuance Of Common Stock

+ References

No definition available.

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

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Common Stock Equity and Earnings Per Share - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Feb. 28, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Nov. 08, 2024	Jun. 30, 2024
Subsidiary or Equity Method Investee [Line Items]
Antidilutive securities excluded from computation of EPS (in shares)		1,038,463	0	0
Convertible Notes Due Maturing June 2027 \| Convertible Debt \| Pinnacle West
Subsidiary or Equity Method Investee [Line Items]
Notes issued		$ 525				$ 525
Interest rate (as a percent)		4.75%				4.75%
ATM Program
Subsidiary or Equity Method Investee [Line Items]
Shares to be issued under ATM program		$ 850			$ 900
Shares outstanding under ATM program		$ 50
November 2024 Forward Sale Agreement
Subsidiary or Equity Method Investee [Line Items]
Sale of stock, settlement terms (in shares)		552,833
Proceeds from issuance of common stock		$ 50
Sales price per share (in usd per share)					$ 89.73
February 2024 Forward Sale Agreements
Subsidiary or Equity Method Investee [Line Items]
Sale of stock, settlement terms (in shares)	5,377,115
Proceeds from issuance of common stock	$ 345
Number of shares issued in transaction (in shares)	11,240,601
Sales price per share (in usd per share)	$ 64.51