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Financial Instruments and Fair Value Measurements - Transfer of Financial Assets Accounted for as Sales (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Sep. 30, 2021
Fair Value Disclosures [Abstract] |  |  |  |  |
Trade receivables transferred to third parties under factoring arrangements | $ 323 | $ 364 | $ 478 | $ 856 |
Amounts yet to be collected and remitted to the third parties | $ 237 |  | $ 237 |  | $ 130

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- Definition Transfers of financial assets during the period. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction, at the date of derecognition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 + Details
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