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CONTRACT ASSETS AND CONTRACT LIABILITIES - Change in Carrying Amount of Contract Assets and Contract Liabilities (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Contract Assets    
Balance at beginning of year $ 706 $ 545
Acquisitions/adjustments (2) 0
Recognized in current year 235 165
Reclassified to accounts receivable (135) (140)
Foreign currency impact 3 (2)
Balance at end of period 807 568
Contract Liabilities    
Balance at beginning of year 956 824
Recognized in current year 271 231
Amounts in beginning balance reclassified to revenue (250) (191)
Current year amounts reclassified to revenue (70) (44)
Foreign currency impact 7 (4)
Balance at end of period $ 914 $ 816