Fuel and Purchased Power Commitments and Purchase Obligations [Abstract]

No definition available.

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- Definition

The net present value of an unrecorded unconditional purchase obligation as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482648/440-10-50-4

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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Period Type:	instant

- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482648/440-10-50-4

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482648/440-10-50-4

+ Details

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Commitments and Contingencies - Estimated Coal Take-or-pay Commitments and Actual Amount Purchased (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fuel and Purchased Power Commitments and Purchase Obligations [Abstract]
Total take-or-pay commitments	$ 184,007	$ 179,255
Arizona Public Service Company
Fuel and Purchased Power Commitments and Purchase Obligations [Abstract]
2024	1,034,000
2025	1,190,000
2026	1,310,000
2027	1,284,000
2028	1,292,000
Thereafter	14,700,000
Total take-or-pay commitments	184,007	179,255
Arizona Public Service Company \| Coal Take-or-Pay Commitments
Fuel and Purchased Power Commitments and Purchase Obligations [Abstract]
2024	208,694
2025	229,111
2026	221,122
2027	200,256
2028	205,237
Thereafter	647,377
Total take-or-pay commitments	1,700,000
Present value of commitments	1,400,000
Total purchases	255,219	305,502	$ 219,958
Arizona Public Service Company \| Renewable Energy Credits
Fuel and Purchased Power Commitments and Purchase Obligations [Abstract]
2024	29,000
2025	27,000
2026	24,000
2027	20,000
2028	17,000
Thereafter	52,000
Arizona Public Service Company \| Coal Mine Reclamation Obligations
Fuel and Purchased Power Commitments and Purchase Obligations [Abstract]
2024	19,000
2025	20,000
2026	21,000
2027	22,000
2028	23,000
Thereafter	2,000
Arizona Public Service Company \| Coal Mine Reclamation Balance Sheet Obligations
Fuel and Purchased Power Commitments and Purchase Obligations [Abstract]
Total take-or-pay commitments	$ 184,000	$ 179,000