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COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
employee
Jun. 30, 2022
employee
Mar. 31, 2022
employee
COMMITMENTS AND CONTINGENCIES.      
Purchase commitment, short-term $ 800    
Purchase commitment, mid-term 1,500    
Purchase commitment, long-term $ 1,100    
Number of employees | employee 90,000 90,000 90,000
Reserves on settlement $ 62