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FAIR VALUE MEASUREMENTS - Part 1 (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Cash held - offsetting derivative net asset positions under master-netting arrangements $ 0 $ 0
Cash posted - total 8,900 157,000
Cash posted - offsetting derivative net liability positions under master-netting arrangements   99,600
Cash posted - remaining in excess of derivative net liability positions included in consolidated Balance Sheets   57,400
Long-term Debt, Fair Value 12,700,000 15,600,000
Long-term Debt 13,600,000 13,600,000
Fair Value, Recurring [Member] | Gross Fair Value Measurement [Member]    
Derivative assets    
Derivative asset, fair value, gross 178,153 204,161
Derivative Liabilities    
Derivative liability, fair value, gross (124,566) (449,264)
Fair Value, Recurring [Member] | Gross Fair Value Measurement [Member] | Financial contracts    
Derivative assets    
Derivative asset, fair value, gross 167,235 204,161
Derivative Liabilities    
Derivative liability, fair value, gross (124,566) (303,740)
Fair Value, Recurring [Member] | Gross Fair Value Measurement [Member] | Interest Rate Contracts    
Derivative assets    
Interest-rate contracts 10,918  
Derivative Liabilities    
Interest-rate contracts   (145,524)
Fair Value, Recurring [Member]    
Derivative assets    
Derivative assets 53,587 0
Derivative assets netting (124,566) (204,161)
Derivative Liabilities    
Derivative liabilities 0 (145,524)
Derivative liabilities netting 124,566 303,740
Fair Value, Recurring [Member] | Financial contracts    
Derivative assets    
Derivative assets 42,669 0
Derivative assets netting (124,566) (204,161)
Derivative Liabilities    
Derivative liabilities 0 0
Derivative liabilities netting 124,566 303,740
Fair Value, Recurring [Member] | Interest Rate Contracts    
Derivative assets    
Interest-rate contracts 10,918  
Derivative assets netting 0  
Derivative Liabilities    
Interest-rate contracts   (145,524)
Derivative liabilities netting   0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Derivative assets    
Derivative asset, fair value, gross 14,897 22,019
Derivative Liabilities    
Derivative liability, fair value, gross (38,187) (67,226)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Financial contracts    
Derivative assets    
Derivative asset, fair value, gross 14,897 22,019
Derivative Liabilities    
Derivative liability, fair value, gross (38,187) (67,226)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Contracts    
Derivative assets    
Interest-rate contracts 0  
Derivative Liabilities    
Interest-rate contracts   0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Derivative assets    
Derivative asset, fair value, gross 163,256 172,833
Derivative Liabilities    
Derivative liability, fair value, gross (86,379) (258,446)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Financial contracts    
Derivative assets    
Derivative asset, fair value, gross 152,338 172,833
Derivative Liabilities    
Derivative liability, fair value, gross (86,379) (112,922)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Contracts    
Derivative assets    
Interest-rate contracts 10,918  
Derivative Liabilities    
Interest-rate contracts   (145,524)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Derivative assets    
Derivative asset, fair value, gross 0 9,309
Derivative Liabilities    
Derivative liability, fair value, gross 0 (123,592)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Financial contracts    
Derivative assets    
Derivative asset, fair value, gross 0 9,309
Derivative Liabilities    
Derivative liability, fair value, gross 0 (123,592)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Contracts    
Derivative assets    
Interest-rate contracts $ 0  
Derivative Liabilities    
Interest-rate contracts   $ 0