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SEGMENT INFORMATION - Operating Income to Income from Continuing Operations Reconciliation (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Operating Income (Loss) $ 1,710 $ 1,616 $ 1,772
Net interest expense 192 134 71
Other expense, net 41 190 731
Income before income taxes 1,477 1,292 970
Operating Segments      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Operating Income (Loss) 3,787 3,503 3,575
Corporate and other      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Operating Income (Loss) $ (2,077) $ (1,887) $ (1,803)