XML 61 R75.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Long-Term Debt and Liquidity Matters - Components of Long-Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Long-Term Debt and Liquidity Matters [Line Items]    
Total long-term debt $ 5,632,558 $ 5,138,232
Long-term debt less current maturities (Note 7) 4,832,558 4,638,232
Pinnacle West    
Long-Term Debt and Liquidity Matters [Line Items]    
Gross long-term debt 5,676,125  
Unamortized discount (57) (121)
Unamortized debt issue costs (518) (1,083)
Total long-term debt 449,425 448,796
Less current maturities 450,000 0
Total long-term debt less current maturities (575) 448,796
Long-term debt less current maturities (Note 7) (575) 448,796
ARIZONA PUBLIC SERVICE COMPANY    
Long-Term Debt and Liquidity Matters [Line Items]    
Gross long-term debt 5,226,125  
Unamortized discount (12,434) (12,638)
Unamortized premium 7,423 7,736
Unamortized debt issue costs (37,981) (31,787)
Total long-term debt 5,183,133 4,689,436
Less current maturities 350,000 500,000
Total long-term debt less current maturities 4,833,133 4,189,436
Long-term debt less current maturities (Note 7) 4,833,133 4,189,436
Pollution Control Bonds - Variable | ARIZONA PUBLIC SERVICE COMPANY    
Long-Term Debt and Liquidity Matters [Line Items]    
Gross long-term debt $ 35,975 $ 35,975
Pollution Control Bonds - Variable | ARIZONA PUBLIC SERVICE COMPANY | Minimum    
Long-Term Debt and Liquidity Matters [Line Items]    
Weighted-average interest rate (as a percent) 1.54% 1.76%
Pollution Control Bonds - Fixed | ARIZONA PUBLIC SERVICE COMPANY    
Long-Term Debt and Liquidity Matters [Line Items]    
Gross long-term debt $ 115,150 $ 115,150
Pollution Control Bonds - Fixed | ARIZONA PUBLIC SERVICE COMPANY | Maximum    
Long-Term Debt and Liquidity Matters [Line Items]    
Interest rate (as a percent) 4.70%  
Total Pollution Control Bonds | ARIZONA PUBLIC SERVICE COMPANY    
Long-Term Debt and Liquidity Matters [Line Items]    
Gross long-term debt $ 151,125 151,125
Senior unsecured notes | ARIZONA PUBLIC SERVICE COMPANY    
Long-Term Debt and Liquidity Matters [Line Items]    
Gross long-term debt $ 4,875,000 4,575,000
Senior unsecured notes | ARIZONA PUBLIC SERVICE COMPANY | Minimum    
Long-Term Debt and Liquidity Matters [Line Items]    
Interest rate (as a percent) 2.20%  
Senior unsecured notes | ARIZONA PUBLIC SERVICE COMPANY | Maximum    
Long-Term Debt and Liquidity Matters [Line Items]    
Interest rate (as a percent) 6.88%  
Senior unsecured notes | Pinnacle West    
Long-Term Debt and Liquidity Matters [Line Items]    
Gross long-term debt $ 300,000 300,000
Interest rate (as a percent) 2.25%  
Term loan | Term loans | ARIZONA PUBLIC SERVICE COMPANY    
Long-Term Debt and Liquidity Matters [Line Items]    
Term loans $ 200,000 0
Term loan | Term Loan Facility Maturing 2020 | Pinnacle West    
Long-Term Debt and Liquidity Matters [Line Items]    
Term loans $ 150,000 $ 150,000
Weighted-average interest rate (as a percent) 2.20% 3.02%
Term loan | Term Loan Facility Maturing 2020 | ARIZONA PUBLIC SERVICE COMPANY    
Long-Term Debt and Liquidity Matters [Line Items]    
Weighted-average interest rate (as a percent) 2.12%