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Represents the maximum borrowings available for the commercial paper program under the terms of line of credit facility.

+ References

No definition available.

+ Details

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- Definition

Represents the number of credit facilities.

+ References

No definition available.

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- Definition

Represents the long-term debt authorization pursuant to an order from a regulatory authority.

+ References

No definition available.

+ Details

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- Definition

Represents the long-term debt authorization before the increase pursuant to an order from a regulatory authority.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of capitalization which is used to calculate the short-term debt authorization pursuant to an order from a regulatory authority.

+ References

No definition available.

+ Details

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- Definition

Represents the fixed amount required to be used for purchases of natural gas and power which is used to calculate the short-term debt authorization pursuant to an order from a regulatory authority.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (SX 210.9-03.13(2))

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-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

-Subparagraph 2

-Article 9

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Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Lines of Credit and Short-Term Borrowings (Details) (USD $)	Feb. 06, 2013	Dec. 31, 2014	Dec. 31, 2013	May 09, 2014	May 08, 2014	Apr. 08, 2013	Apr. 09, 2013
ARIZONA PUBLIC SERVICE COMPANY \| ACC
Debt Provisions
Percentage of APS's capitalization used in calculation of short-term debt authorization	7.00%
Required amount to be used in purchases of natural gas and power which is used in calculation of short-term debt authorization	$ 500,000,000
Long-term debt authorization before increase	4,200,000,000
Long-term debt authorization	5,100,000,000
ARIZONA PUBLIC SERVICE COMPANY \| Commercial paper
Lines of Credit and Short-Term Borrowings
Long-term line of credit		147,000,000	153,000,000
Commercial paper \| Pinnacle West
Lines of Credit and Short-Term Borrowings
Commercial Paper		0	0
Maximum commercial paper support available under credit facility		200,000,000	200,000,000
Commercial paper \| ARIZONA PUBLIC SERVICE COMPANY
Lines of Credit and Short-Term Borrowings
Maximum commercial paper support available under credit facility		250,000,000	250,000,000
Letter of credit \| Pinnacle West
Lines of Credit and Short-Term Borrowings
Outstanding letters of credit		0	0
Letter of credit \| ARIZONA PUBLIC SERVICE COMPANY
Lines of Credit and Short-Term Borrowings
Outstanding letters of credit		109,000,000
Revolving credit facility
Lines of Credit and Short-Term Borrowings
Amount committed		1,200,000,000	1,200,000,000
Revolving credit facility \| Pinnacle West \| Revolving credit facility maturing in 2019
Lines of Credit and Short-Term Borrowings
Amount committed		200,000,000		200,000,000
Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders		300,000,000
Revolving credit facility \| Pinnacle West \| Revolving credit facility maturing in 2016
Lines of Credit and Short-Term Borrowings
Amount committed			200,000,000		200,000,000
Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders			300,000,000
Revolving credit facility \| ARIZONA PUBLIC SERVICE COMPANY
Lines of Credit and Short-Term Borrowings
Long-term line of credit		0	0
Outstanding letters of credit		0	0
Revolving credit facility \| ARIZONA PUBLIC SERVICE COMPANY \| Revolving credit facility maturing in 2019
Lines of Credit and Short-Term Borrowings
Amount committed		500,000,000		500,000,000
Revolving credit facility \| ARIZONA PUBLIC SERVICE COMPANY \| Revolving credit facility maturing in 2015
Lines of Credit and Short-Term Borrowings
Amount committed						500,000,000
Revolving credit facility \| ARIZONA PUBLIC SERVICE COMPANY \| Revolving credit facility maturing in 2018
Lines of Credit and Short-Term Borrowings
Amount committed		500,000,000	500,000,000				500,000,000
Revolving credit facility \| ARIZONA PUBLIC SERVICE COMPANY \| Revolving credit facilities maturing November 2016 and April 2018
Lines of Credit and Short-Term Borrowings
Amount committed			1,000,000,000
Number of credit facilities			2
Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders			700,000,000
Revolving credit facility \| ARIZONA PUBLIC SERVICE COMPANY \| Revolving credit facility maturing in 2016
Lines of Credit and Short-Term Borrowings
Amount committed			500,000,000		500,000,000
Revolving credit facility \| ARIZONA PUBLIC SERVICE COMPANY \| Revolving credit facilities maturing April 2018 and May 2019
Lines of Credit and Short-Term Borrowings
Amount committed		1,000,000,000
Number of credit facilities		2
Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders		700,000,000
Line of credit \| Pinnacle West
Lines of Credit and Short-Term Borrowings
Long-term line of credit		$ 0	$ 0