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Reportable Business Segments and International Operations, Net sales reconciliation by segment, and net sales to segment operating income reconciliation, including segment operating expenses (Details) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2022 segment individual | Dec. 31, 2024 USD ($) segment individual | Dec. 31, 2023 USD ($) segment individual | Dec. 31, 2022 USD ($) segment individual
Segment reporting information |  |  |  |
Number of reportable business segments | segment | 3 | 3 | 3 | 3
Number of segment managers | individual | 3 | 3 | 3 | 3
Net sales |  | $ 15,222.7 | $ 12,554.7 | $ 12,623.0
Operating income |  | 3,156.9 | 2,559.6 | 2,585.8
Harsh Environment Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 4,417.4 | 3,530.8 | 3,107.2
Communications Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 6,323.8 | 4,912.8 | 5,652.4
Interconnect and Sensor Systems |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 4,481.5 | 4,111.1 | 3,863.4
Operating Segment |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 15,394.8 | 12,713.9 | 12,797.7
Less: Segment operating expenses |  | 11,734.0 | 9,793.6 | 9,859.2
Operating income |  | 3,488.7 | 2,761.1 | 2,763.8
Operating Segment | Harsh Environment Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 4,508.6 | 3,621.6 | 3,185.3
Less: Segment operating expenses |  | 3,324.2 | 2,586.9 | 2,305.6
Operating income |  | 1,093.2 | 943.9 | 801.6
Operating Segment | Communications Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 6,375.6 | 4,963.0 | 5,731.8
Less: Segment operating expenses |  | 4,754.2 | 3,849.3 | 4,406.7
Operating income |  | 1,569.6 | 1,063.5 | 1,245.7
Operating Segment | Interconnect and Sensor Systems |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 4,510.6 | 4,129.3 | 3,880.6
Less: Segment operating expenses |  | 3,655.6 | 3,357.4 | 3,146.9
Operating income |  | 825.9 | 753.7 | 716.5
Inter-Segment |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 172.1 | 159.2 | 174.7
Inter-Segment | Harsh Environment Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 91.2 | 90.8 | 78.1
Inter-Segment | Communications Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | 51.8 | 50.2 | 79.4
Inter-Segment | Interconnect and Sensor Systems |  |  |  |
Segment reporting information |  |  |  |
Net sales |  | $ 29.1 | $ 18.2 | $ 17.2

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