XML 63 R36.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Lines of Credit and Short-Term Borrowings (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Lines of Credit and Short-Term Borrowings |
Schedule of consolidated credit facilities and amounts available and outstanding | The table below presents the consolidated credit facilities and the amounts available and outstanding as of December 31, 2016 and 2015 (dollars in thousands):
| December 31, 2016 |  | December 31, 2015
| Pinnacle West | APS | Total |  | Pinnacle West | APS | Total
Commitments under Credit Facilities | $ | 275,000 |  | $ | 1,000,000 |  | $ | 1,275,000 |  |  | $ | 200,000 |  | $ | 1,000,000 |  | $ | 1,200,000 |
Outstanding Commercial Paper and Revolving Credit Facility Borrowings | (41,700 | ) | (135,500 | ) | (177,200 | ) |  | — |  | — |  | — |
Amount of Credit Facilities Available | $ | 233,300 |  | $ | 864,500 |  | $ | 1,097,800 |  |  | $ | 200,000 |  | $ | 1,000,000 |  | $ | 1,200,000 |
Weighted-Average Commitment Fees | 0.125% | 0.100% |  |  | 0.125% | 0.100% |

X
- References No definition available. + Details
Name: | pnw_LinesOfCreditAndShortTermBorrowingAbstract
Namespace Prefix: | pnw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to 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. + 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 FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration