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Operating Gains and Non-Operating (Gains) Losses (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2025
Mar. 31, 2024
Operating Gain [Abstract]    
Insurance recoveries (1) $ (6) $ 0
Gain on disposal of assets (2) 0
Other operating gains (1) (1)
Total operating gains 9 1
Non-Operating Gain [Abstract]    
Net pension and postretirement benefits cost 4 2
(Gain) loss on nonqualified retirement plan assets 2 (6)
Total non-operating (gains) losses $ (6) $ 4