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Restructuring And Related Activities, Term

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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BUSINESS SEGMENTS - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Restructuring and related activities, term	3 years
Revenue	$ 19,419	$ 17,062	$ 17,814
Amortization of intangible assets, debt premium, debt discount and debt issuance costs	777	596	624
LHX NeXt program
Segment Reporting Information [Line Items]
Restructuring charges	25
Restructuring liabilities	4
International
Segment Reporting Information [Line Items]
Revenue	1,882	1,689	1,580
AR \| International
Segment Reporting Information [Line Items]
Revenue	37
SAS \| International
Segment Reporting Information [Line Items]
Revenue	874	712	704
IMS \| International
Segment Reporting Information [Line Items]
Revenue	1,727	1,759	1,879
CS \| International
Segment Reporting Information [Line Items]
Revenue	$ 1,535	$ 1,437	$ 1,232
Revenue from Contract with Customer Benchmark \| Government Contracts Concentration Risk \| U.S. Government
Segment Reporting Information [Line Items]
Concentration risk percentage	76.00%	74.00%	75.00%
Revenue from Contract with Customer, Segment Benchmark \| Product Concentration Risk \| AR
Segment Reporting Information [Line Items]
Concentration risk percentage	29.00%
Revenue from Contract with Customer, Segment Benchmark \| Product Concentration Risk \| SAS
Segment Reporting Information [Line Items]
Concentration risk percentage	28.00%
Revenue from Contract with Customer, Segment Benchmark \| Product Concentration Risk \| IMS
Segment Reporting Information [Line Items]
Concentration risk percentage	38.00%
Revenue from Contract with Customer, Segment Benchmark \| Product Concentration Risk \| CS
Segment Reporting Information [Line Items]
Concentration risk percentage	19.00%
Revenue from Contract with Customer, Product and Service Benchmark \| Geographic Concentration Risk \| International
Segment Reporting Information [Line Items]
Concentration risk percentage	21.00%	23.00%	22.00%
Revenue	$ 4,200	$ 3,900	$ 3,900