ACQUISITIONS, DIVESTITURES AND ASSET SALES - Narrative (Details) - USD ($) $ in Millions					3 Months Ended		6 Months Ended
	Apr. 06, 2023	Jan. 03, 2023	Dec. 17, 2022	Nov. 22, 2022	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jun. 30, 2023	Jul. 01, 2022	Dec. 30, 2022
Business Acquisition [Line Items]
Goodwill					$ 18,417		$ 18,417	$ 18,417		$ 17,283
Business divestiture-related gains, net					26	$ 0	26		$ 0
Proceeds from sales of businesses, net							71		2
CS
Business Acquisition [Line Items]
Goodwill					4,914		4,914	4,914		$ 3,796
Viasat TDL
Business Acquisition [Line Items]
Revenues						90			185
Secured Debt | Term loan, due November 21, 2025 (“Term Loan 2025”)
Business Acquisition [Line Items]
Debt instrument term				3 years
Secured Debt | Term loan, due November 21, 2025 (“Term Loan 2025”) | Line of Credit
Business Acquisition [Line Items]
Debt issued				$ 2,250	2,250		2,250	2,250
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Visual Information Solutions (VIS) Business
Business Acquisition [Line Items]
Cash price on sale of business					70		70	70
Business divestiture-related gains, net	$ 26
Proceeds from sales of businesses, net	71
Disposal Group, Disposed of by Sale, Not Discontinued Operations | IMS Segment Business And Asset
Business Acquisition [Line Items]
Proceeds from sales of businesses, net	$ 20
Gain on sale of asset group							8
Tactical Data Links (TDL) Product Line
Business Acquisition [Line Items]
Purchase price		$ 1,958
Provision for loss on customer contracts					86		86	86
Loss provision amortization expense					6		14
Total liabilities assumed							61	7
Revenue from amortization of off-market contract liability					6		15
Future estimated revenue from the amortization of off-market contract liabilities, remainder of fiscal year					18		18	18
Future estimated revenue from the amortization of off-market contract liabilities, year one					21		21	21
Goodwill		$ 1,117
Net revenues from acquiree for the reporting period					83		164
Earnings from acquiree for the reporting period					22	$ 20	48		$ 25
Acquisition related costs					23		54
Tactical Data Links (TDL) Product Line | CS
Business Acquisition [Line Items]
Goodwill					$ 1,117		1,117	$ 1,117
Tactical Data Links (TDL) Product Line | Other Accrued Liabilities
Business Acquisition [Line Items]
Total liabilities assumed							33
Tactical Data Links (TDL) Product Line | Other Noncurrent Liabilities
Business Acquisition [Line Items]
Total liabilities assumed							$ 28
Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Business combination, price of acquisition, expected			$ 4,700