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REVENUE RECOGNITION LONGTERM CONTRACTS AND DEFERRED AND UNBILLED REVENUE (Tables)
3 Months Ended
Mar. 29, 2020
Revenue from Contract with Customer [Abstract]  
Contract with Customer, Asset and Liability
The following is a summary of our unbilled and deferred revenue and related activity:
In millionsMarch 29,
2020
December 31,
2019
Unbilled revenue$91  $68  
Deferred revenue, primarily extended warranty1,364  1,354