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Segment and Geographic Data - Operating Income by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 29, 2019	Mar. 30, 2018	Mar. 29, 2019	Mar. 30, 2018
Segment and Geographic Data
Operating income	$ 530	$ 621	$ 1,014	$ 1,207
Transportation Solutions
Segment and Geographic Data
Operating income	316	427	648	844
Industrial Solutions
Segment and Geographic Data
Operating income	137	125	237	227
Communications Solutions
Segment and Geographic Data
Operating income	$ 77	$ 69	$ 129	$ 136

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The net result for the period of deducting operating expenses from operating revenues.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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