PENSION AND OTHER POSTRETIREMENT BENEFITS - Expected Amortization of Net Define Benefit Costs Included on AOCI During Next Fiscal Year (Details) $ in Millions	Jun. 28, 2019 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (gain) loss	$ (4)
Prior service cost	1
Defined benefit plan, expected amortization next fiscal year	(3)
Pension
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (gain) loss	1
Prior service cost	1
Defined benefit plan, expected amortization next fiscal year	2
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (gain) loss	(5)
Prior service cost	0
Defined benefit plan, expected amortization next fiscal year	$ (5)