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Segment Information & Geographic Data - Financial Information by Segment (Detail) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 26, 2020
Jun. 27, 2020
Mar. 28, 2020
Dec. 31, 2019
Sep. 28, 2019
Jun. 29, 2019
Mar. 30, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Net sales                      
Total Net sales $ 1,308 $ 1,132 $ 956 $ 1,052 $ 1,192 $ 1,130 $ 1,097 $ 1,066 $ 4,448 $ 4,485 $ 4,218
Operating income:                      
Total Operating income                 651 692 610
Operating segments                      
Net sales                      
Total Net sales                 4,455 4,485 4,218
Operating income:                      
Total Operating income                 788 838 729
Corporate, eliminations                      
Net sales                      
Total Net sales                 (7) 0 0
Operating income:                      
Total Operating income                 (137) (146) (119)
AIT                      
Net sales                      
Total Net sales                 1,426 1,479 1,423
AIT | Operating segments                      
Net sales                      
Total Net sales                 1,426 1,479 1,423
Operating income:                      
Total Operating income                 322 355 325
EVM                      
Net sales                      
Total Net sales                 3,029 3,006 2,795
EVM | Operating segments                      
Net sales                      
Total Net sales                 3,029 3,006 2,795
Operating income:                      
Total Operating income                 $ 466 $ 483 $ 404