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STOCKHOLDERS' EQUITY Part 3 OCI (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Other Comprehensive Income (Loss), before Tax [Abstract]      
Change in cumulative translation adjustment, before tax $ (4) $ (1)  
Amortization of unrecognized prior service credits (3) (7)  
Unrealized gain (loss) during period 5 (9)  
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax (1) (3)  
Total other comprehensive income (loss), before tax (3) (20)  
Other comprehensive income (loss), net of tax:      
Change in cumulative translation adjustment (10) (1) $ (67)
Amortization of unrecognized prior service credits (2) (5)  
Unrealized gain (loss) during period 4 (7)  
Reclassification adjustment for (gains) losses included in net income, net (1) (2)  
Other Comprehensive Income (Loss) $ (9) $ (15) $ (114)