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BUSINESS SEGMENTS - Narrative (Details)
$ in Millions
12 Months Ended 24 Months Ended
Dec. 30, 2022
USD ($)
segment
Dec. 31, 2021
USD ($)
segment
Jan. 01, 2021
USD ($)
Dec. 31, 2021
segment
Segment Reporting Information [Line Items]        
Number of reportable segments | segment 3 4   4
Number of operating segments | segment 3 4   4
Revenue $ 17,062 $ 17,814 $ 18,194  
Amortization of intangible assets, debt premium, debt discount and debt issuance costs 596 624 714  
International        
Segment Reporting Information [Line Items]        
Revenue $ 1,689 $ 1,580 $ 1,196  
Revenue from Contract with Customer Benchmark | Government Contracts Concentration Risk | U.S. Government        
Segment Reporting Information [Line Items]        
Concentration risk percentage 74.00% 75.00% 78.00%  
Revenue from Contract with Customer, Segment Benchmark | Product Concentration Risk | Integrated Mission Systems        
Segment Reporting Information [Line Items]        
Concentration risk percentage 37.00%      
Revenue from Contract with Customer, Segment Benchmark | Product Concentration Risk | Space & Airborne Systems        
Segment Reporting Information [Line Items]        
Concentration risk percentage 27.00%      
Revenue from Contract with Customer, Segment Benchmark | Product Concentration Risk | Communication Systems        
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 23.00% 22.00% 20.00%  
Revenue $ 3,900 $ 3,900 $ 3,700