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PRODUCT WARRANTY LIABILITY (Tables)
 9 Months Ended
Sep. 27, 2020
Product Warranties Disclosures [Abstract]  
Summary of activity in the product warranty account
A tabular reconciliation of the product warranty liability, including the deferred revenue related to our extended warranty coverage and accrued product campaigns, was as follows:
Nine months ended
In millionsSeptember 27,
2020		September 29,
2019
Balance, beginning of year$2,389 $2,208 
Provision for base warranties issued277 360 
Deferred revenue on extended warranty contracts sold172 254 
Provision for product campaigns issued27 163 
Payments made during period(424)(431)
Amortization of deferred revenue on extended warranty contracts(169)(174)
Changes in estimates for pre-existing product warranties(41)(16)
Foreign currency translation and other(6)(9)
Balance, end of period$2,225 $2,355 
Warranty related deferred revenue and the long-term portion of the warranty liability
Warranty related deferred revenues and warranty liabilities on our Condensed Consolidated Balance Sheets were as follows:
In millionsSeptember 27,
2020		December 31,
2019		Balance Sheet Location
Deferred revenue related to extended coverage programs  
Current portion$249 $227 Current portion of deferred revenue
Long-term portion695 714 Deferred revenue
Total$944 $941  
Product warranty  
Current portion$646 $803 Current portion of accrued product warranty
Long-term portion635 645 Accrued product warranty
Total$1,281 $1,448  
Total warranty accrual$2,225 $2,389