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Segment and Geographic Data - Operating Income (loss) by Segment (Details) - USD ($) $ in Millions | 3 Months Ended
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Dec. 25, 2020 | Dec. 27, 2019
Segment and Geographic Data |  |
Operating income | $ 448 | $ 471
Transportation Solutions |  |
Segment and Geographic Data |  |
Operating income | 308 | 316
Industrial Solutions |  |
Segment and Geographic Data |  |
Operating income | 76 | 115
Communications Solutions |  |
Segment and Geographic Data |  |
Operating income | $ 64 | $ 40

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