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REVENUE RECOGNITION LONGTERM CONTRACTS AND DEFERRED AND UNBILLED REVENUE (Tables)
 6 Months Ended
Jun. 30, 2023
Revenue from Contract with Customer [Abstract]  
Contract with Customer, Contract Asset, Contract Liability, and Receivable
The following is a summary of our unbilled and deferred revenue and related activity:
In millionsJune 30,
2023		December 31,
2022
Unbilled revenue$299 $257 
Deferred revenue1,956 1,848