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DEBT - Long-Term Debt Repaid and Issued - Fiscal 2020 - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Nov. 22, 2022
Dec. 14, 2020
Nov. 25, 2020
Apr. 27, 2015
Apr. 03, 2020
Dec. 30, 2022
Jan. 01, 2021
Debt Instrument [Line Items]              
Repayment of debt           $ 0  
Debt instrument term 3 years            
Debt instrument, period of redemption prior to maturity           3 months 1 month
Fixed-rate debt | 4.950% Senior Notes due February 15, 2021              
Debt Instrument [Line Items]              
Debt interest rate   4.95%          
Repayment of debt   $ 650,000,000          
Gain (loss) on extinguishment of debt   $ (2,000,000)          
Fixed-rate debt | 2031 Notes              
Debt Instrument [Line Items]              
Debt interest rate     1.80%     1.80%  
Debt instrument redemption price percentage     100.00%        
Redemption price upon change in control     101.00%        
Debt issuance costs     $ 6,000,000        
Fixed-rate debt | Exelis Notes              
Debt Instrument [Line Items]              
Debt instrument redemption price percentage       100.00%      
Debt issued       $ 2,400,000,000      
Debt instrument, period of redemption prior to maturity             1 month
Fixed-rate debt | Treasury Rate | 4.950% Senior Notes due February 15, 2021              
Debt Instrument [Line Items]              
Debt interest rate     4.95%        
Fixed-rate debt | Treasury Rate | 2031 Notes              
Debt Instrument [Line Items]              
Debt interest rate     1.80%        
Interest rate margin     0.15%        
Variable-rate debt | 2023 Notes              
Debt Instrument [Line Items]              
Debt issued         $ 250,000,000    
Variable-rate debt | LIBOR | 2023 Notes              
Debt Instrument [Line Items]              
Interest rate margin         0.75%