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Segment Information - Schedule of Disaggregation of Revenue by Geographical Market (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 3,750 | $ 3,912 | $ 7,410 | $ 7,611
Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,660 | 1,761 | 3,307 | 3,485
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,491 | 1,629 | 2,913 | 3,182
Mexico |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 628 | 615 | 1,260 | 1,222
Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 61 | 87 | 147 | 182
EMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,370 | 1,401 | 2,638 | 2,583
Germany |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 254 | 305 | 478 | 553
Poland |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 249 | 248 | 498 | 454
Czech Republic |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 220 | 261 | 415 | 488
Other EMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,021 | 986 | 1,970 | 1,811
Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 742 | 774 | 1,512 | 1,595
China |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 336 | 307 | 710 | 705
Korea |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 128 | 140 | 250 | 279
Thailand |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 126 | 154 | 248 | 295
Japan |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 86 | 103 | 179 | 190
Other Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 78 | 79 | 149 | 143
Inter-segment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | (22) | (24) | (47) | (52)
Inter-segment elimination | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | (520) | (570) | (1,013) | (1,101)
Inter-segment elimination | EMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | (374) | (399) | (723) | (723)
Inter-segment elimination | Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ (12) | $ (9) | $ (24) | $ (17)

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