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Segment Information - Disaggregation of Revenue by Geographical Market (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 3,480 | $ 3,848
Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1,498 | 1,737
United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1,331 | 1,548
Mexico |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 541 | 641
Other Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 91 | 92
EMEA |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1,230 | 1,604
Germany |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 233 | 314
Czech Republic |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 267 | 338
Other EMEA |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1,039 | 1,385
Asia |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 784 | 554
Thailand |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 135 | 105
China |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 414 | 189
Japan |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 35 | 89
Other Asia |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 206 | 177
Inter-segment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | (32) | (47)
Inter-segment elimination | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | (465) | (544)
Inter-segment elimination | EMEA |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | (309) | (433)
Inter-segment elimination | Asia |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ (6) | $ (6)

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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