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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Components of Accumulated Other Comprehensive Income (Loss)
Components of accumulated other comprehensive income (loss) include the following:
 As of December 31,
 202120202019
 (In millions)
Share of equity method interests other comprehensive loss$— $(1)$(1)
Pension and postretirement benefit plan (Note 13)
22 15 17 
Accumulated other comprehensive income$22 $14 $16