v3.26.3
GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 02, 2026
Oct. 03, 2025
Oct. 02, 2026
Oct. 03, 2025
Aug. 03, 2026
Jan. 02, 2026
Intangible Asset, Finite-Lived [Line Items]            
Amortization expense $ 152 $ 192 $ 503 $ 579    
Space & Mission Systems            
Intangible Asset, Finite-Lived [Line Items]            
Accumulated goodwill impairment loss (120)   (120)     $ (120)
CSD            
Intangible Asset, Finite-Lived [Line Items]            
Accumulated goodwill impairment loss (431)   (431)     (431)
MSL            
Intangible Asset, Finite-Lived [Line Items]            
Accumulated goodwill impairment loss $ (238)   $ (238)     $ (337)
Goodwill, impaired, accumulated impairment loss, derecognized         $ 99