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Segment Information & Geographic Data - Net Sales by Country (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
Revenue, Major Customer [Line Items]                      
Total Net sales $ 1,308 $ 1,132 $ 956 $ 1,052 $ 1,192 $ 1,130 $ 1,097 $ 1,066 $ 4,448 $ 4,485 $ 4,218
Sales Revenue, Net                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 4,448 4,485 4,218
North America                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 2,319 2,261 2,041
EMEA                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 1,495 1,462 1,409
Asia-Pacific                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 439 518 520
Latin America                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 195 244 248
United States | Sales Revenue, Net                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 2,291 2,243 2,020
Germany | Sales Revenue, Net                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 595 523 523
Other | Sales Revenue, Net                      
Revenue, Major Customer [Line Items]                      
Total Net sales                 $ 1,562 $ 1,719 $ 1,675