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CONTRACT ASSETS AND CONTRACT LIABILITIES (Tables)
 3 Months Ended
Mar. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Change in Carrying Amount of Contract Assets and Contract Liabilities The change in the carrying amount of contract assets and contract liabilities for the three months ended March 31, 2022 and 2021 is as follows:
Contract Assets
In millions20222021
Balance at beginning of year$545 $544 
Recognized in current year165 233 
Reclassified to accounts receivable(140)(242)
Foreign currency impact(2)(5)
Balance at March 31
$568 $530 
Contract Liabilities
In millions20222021
Balance at beginning of year$824 $832 
Acquisitions— 2 
Recognized in current year231 234 
Amounts in beginning balance reclassified to revenue(191)(214)
Current year amounts reclassified to revenue(44)(11)
Foreign currency impact(4)(10)
Balance at March 31$816 $833