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New Accounting Standards (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jul. 03, 2018 | Jul. 06, 2016 | Dec. 31, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Reclassification of income tax effects related to new tax reform (See Note 2) |  |  | $ (8,552) |
Right-of-use lease assets |  |  | 194,000 |
Lease, cost |  |  | 119,000 |
Other |  |  | 129,312 | $ 130,666
Other current liabilities |  |  | 184,229 | 246,529
Accounting Standards Update 2017-07 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Net benefit costs capitalized |  |  | (15,000) |
Accounting Standards Update 2018-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Reclassification of income tax effects related to new tax reform (See Note 2) |  |  | 9,000 |
Accounting Standards Update 2016-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Other |  |  | (85,000) |
Other current liabilities |  |  | (10,000) |
ARIZONA PUBLIC SERVICE COMPANY |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Reclassification of income tax effects related to new tax reform (See Note 2) |  |  | (5,038) |
Other |  |  | 128,265 | 129,801
Other current liabilities |  |  | 178,137 | $ 243,922
ARIZONA PUBLIC SERVICE COMPANY | Accounting Standards Update 2018-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Reclassification of income tax effects related to new tax reform (See Note 2) |  |  | $ 5,000 |
Four Corners | 4CA |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Percentage share cost of control | 7.00% | 7.00% |  |

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