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STOCKHOLDERS' EQUITY Part 2 AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Cumulative Translation Adjustment $ (230)   $ (237) $ (293)
Change in cumulative translation adjustment 7 $ 2 56  
Benefit Plans Unrecognized Prior Service Credits 53   59 87
Change in Benefit Plans Unrecognized Prior Service Credits (6)   (28)  
Unrealized Gains (Losses) on Derivative Instruments 33   (3) (66)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax 36   63  
Unrealized Losses on Investments (1)   (1) (1)
Change in Unrealized Losses on Investments 0   0  
Accumulated Other Comprehensive Income (Loss), Net of Tax (145)   (182) $ (273)
Total other comprehensive income (loss), net of tax $ 37 $ 25 $ 91