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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate grant-date fair value of performance share units and restricted stock units granted during the period $ 14 $ 477  
Aggregate fair value of performance share units and restricted stock units vested during the period 13 388  
Performance Share Units | 2018 and 2019 Grants | Executive Officers      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Additional stock-based compensation expense as a result of the modification to be recognized over the remaining requisite service period     $ 40
Restricted Stock Units and Performance Share Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total unrecognized estimated compensation expense, unvested share-based awards 618 $ 618  
Total future compensation cost related to unvested share-based awards, expected period of recognition   2 years  
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total unrecognized estimated compensation expense, unvested share-based awards $ 8 $ 8  
Total future compensation cost related to unvested share-based awards, expected period of recognition   4 months 24 days