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OTHER LONG-TERM DEBT (Loans to TPSCo from Japanese Institutions) (Narrative) (Details) - Dec. 31, 2021 - TPSCo [Member]
$ in Thousands, ¥ in Billions
USD ($)
JPY (¥)
Debt Instrument [Line Items]    
Outstanding principal $ 96,000  
Term Loan 2018 [Member]    
Debt Instrument [Line Items]    
Outstanding principal $ 95,572  
Term Loan 2018 [Member] | JPY [Member]    
Debt Instrument [Line Items]    
Outstanding principal | ¥   ¥ 11