INTANGIBLE ASSETS - Summary of Intangible Assets (Details) - USD ($) $ in Millions	Jan. 03, 2020	Jun. 28, 2019	Jun. 29, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 7,461	$ 1,453	$ 1,459
Accumulated Amortization	875	583	470
Net	6,586	870	989
Total intangibles, gross carrying amount	9,333
Total intangible assets	8,458	870	989
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,518	1,203	1,206
Accumulated Amortization	653	419	327
Net	5,865	784	879
Developed technologies
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	768	206	208
Accumulated Amortization	183	136	119
Net	585	70	89
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	165	42	43
Accumulated Amortization	35	26	22
Net	130	16	21
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10	2	2
Accumulated Amortization	4	2	2
Net	6	$ 0	$ 0
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangibles	69
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangibles	$ 1,803