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Non-Operating Income (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 01, 2021
Oct. 02, 2020
Oct. 01, 2021
Oct. 02, 2020
Nonoperating Income (Expense) [Abstract]        
Non-service component of net periodic benefit income $ 104 $ 97 $ 329 $ 292
Impairment of equity method investment 0 0 (35) 0
Other 7 (1) 20 4
Non-operating income, net $ 111 $ 96 $ 314 $ 296