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Revenue Recognition - Summary of Revenue by Reportable Operating Segment and Geography (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 04, 2020 | Jun. 29, 2019 | Jul. 04, 2020 | Jun. 29, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | $ 2,444.5 | $ 5,007.6 | $ 6,902.2 | $ 10,167.7
North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 739.9 | 1,872.4 | 2,621.1 | 3,748.5
Europe and Africa |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 823.6 | 1,999.4 | 2,576.2 | 4,170.8
Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 840.9 | 965.8 | 1,517.2 | 1,921.5
South America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 40.1 | 170.0 | 187.7 | 326.9
Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 1,754.9 | 3,839.4 | 5,121.5 | 7,753.1
Seating | North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 614.8 | 1,597.9 | 2,188.5 | 3,189.0
Seating | Europe and Africa |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 550.1 | 1,461.5 | 1,786.1 | 3,015.8
Seating | Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 557.9 | 659.2 | 1,015.3 | 1,310.6
Seating | South America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 32.1 | 120.8 | 131.6 | 237.7
E-Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 689.6 | 1,168.2 | 1,780.7 | 2,414.6
E-Systems | North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 125.1 | 274.5 | 432.6 | 559.5
E-Systems | Europe and Africa |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 273.5 | 537.9 | 790.1 | 1,155.0
E-Systems | Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | 283.0 | 306.6 | 501.9 | 610.9
E-Systems | South America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from external customers | $ 8.0 | $ 49.2 | $ 56.1 | $ 89.2

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