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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]  
Schedule of supplemental cash flow information The following table sets forth supplemental cash flow information:
For The Year Ended December 31,
 202120202019
 (Dollars In Millions)
Cash paid / (received) during the year: 
Interest expense$15 $177 $182 
Income taxes236 80 383