XML 41 R25.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Consolidation and Nature of Operations (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Summary of supplemental cash flow information | The following table summarizes supplemental Pinnacle West cash flow information (dollars in thousands):
| Three Months Ended March 31,
| 2018 |  | 2017
Cash paid (received) during the period for: |  |  |
Income taxes, net of refunds | $ | — |  |  | $ | (2 | )
Interest, net of amounts capitalized | 56,026 |  |  | 54,280 |
Significant non-cash investing and financing activities: |  |  |
Accrued capital expenditures | $ | 86,991 |  |  | $ | 79,306 |

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

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration