GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) $ in Millions		12 Months Ended
	Nov. 27, 2023 Reporting_Unit	Jan. 02, 2026 USD ($) sector business Reporting_Unit	Jan. 03, 2025 USD ($)	Dec. 29, 2023 USD ($)	May 31, 2024 USD ($)
Finite-Lived Intangible Assets [Line Items]
Reallocation of goodwill in business realignment		$ 0
Accumulated goodwill impairment loss		887	$ 1,561
Number of reporting units | Reporting_Unit	2
Goodwill impairment		85	14
Amortization expense		770	853	$ 779
Future estimated amortization expense, year one		632
Future estimated amortization expense for intangible assets, year two		532
Future estimated amortization expense, year three		459
Future estimated amortization expense, year four		403
Future estimated amortization expense, year five		386
Future estimated amortization expense, after year five		$ 2,300
Electro Optical
Finite-Lived Intangible Assets [Line Items]
Reporting unit, number of sectors | sector		2
Number of businesses moved to new sector | business		1
Global Optical Systems and Defense Electronics
Finite-Lived Intangible Assets [Line Items]
Number of reporting units | Reporting_Unit		1
CS
Finite-Lived Intangible Assets [Line Items]
Reallocation of goodwill in business realignment		$ 0
Accumulated goodwill impairment loss		355	355
Goodwill impairment		0	0
SAS
Finite-Lived Intangible Assets [Line Items]
Reallocation of goodwill in business realignment		0
Accumulated goodwill impairment loss		80	80
Goodwill impairment		0	14
IMS
Finite-Lived Intangible Assets [Line Items]
Reallocation of goodwill in business realignment		(114)
Accumulated goodwill impairment loss		195	954
Goodwill impairment		0	0
AR
Finite-Lived Intangible Assets [Line Items]
Reallocation of goodwill in business realignment		114
Accumulated goodwill impairment loss		257	172
Goodwill impairment		85	$ 0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Antenna Disposal Group
Finite-Lived Intangible Assets [Line Items]
Disposal group, including discontinued operation, goodwill					$ 93
Goodwill impairment		$ 14
Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]		Asset Impairment Charges
Disposal Group, Held-for-sale, Not Discontinued Operations | CAS Disposal Group
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment				$ 296
Disposal Group, Held-for-sale, Not Discontinued Operations | IMS | Space Technology Disposal Group
Finite-Lived Intangible Assets [Line Items]
Disposal group, including discontinued operation, goodwill		$ 120
Disposal Group, Held-for-sale, Not Discontinued Operations | AR | Space Technology Disposal Group
Finite-Lived Intangible Assets [Line Items]
Disposal group, including discontinued operation, goodwill		$ 250