REVENUE RECOGNITION LONGTERM CONTRACTS AND DEFERRED AND UNBILLED REVENUE (Details 1) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 900		$ 900
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Unbilled revenue	79		79		$ 68
Deferred revenue, primarily extended warranty	1,377		1,377		$ 1,354
Contract with Customer, Liability, Revenue Recognized	84	$ 79	290	$ 282
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-09-28
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 172		$ 172
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-09-28
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 728		$ 728
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	10 years		10 years