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Long-Term Debt and Liquidity Matters - Estimated Fair Value of Long-Term Debt (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Estimated fair value of long-term debt, including current maturities |  |
Carrying Amount | $ 7,226,624 | $ 7,063,735
Fair Value | 7,067,896 | 7,726,354
APS |  |
Estimated fair value of long-term debt, including current maturities |  |
Carrying Amount | 6,267,482 | 6,266,693
Fair Value | 6,131,644 | 6,933,619
BCE |  |
Estimated fair value of long-term debt, including current maturities |  |
Carrying Amount | 11,799 | 0
Fair Value | 12,052 | 0
Pinnacle West |  |
Estimated fair value of long-term debt, including current maturities |  |
Carrying Amount | 947,343 | 797,042
Fair Value | $ 924,200 | $ 792,735

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- Definition Amount of short-term and long-term debt and lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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