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Divestitures - Narrative (Details) € in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2022 USD ($) | Jun. 30, 2022 EUR (€) | Apr. 01, 2021 USD ($) | Apr. 01, 2021 EUR (€)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Repayments of debt | $ 0 | $ 352 |  |  |  |
Gain (loss) on sale | 29 | 377 |  |  |  |
Discontinued Operations, Disposed of by Sale | Series of Insignificant Disposal Groups |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Gain (loss) on sale | 38 | 49 |  |  |  |
Sales price adjustment related to prior year dispositions |  | 13 |  |  |  |
Discontinued Operations, Disposed of by Sale | HPS Business |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Transaction consideration |  |  |  |  | $ 551 | € 468
Amount of consideration related to future services to be provided |  |  |  |  | $ 12 | € 10
Gain (loss) on sale |  | $ 341 | $ 331 |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Series of Insignificant Disposal Groups |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Gain (loss) on sale | (9) |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | FDB Business |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Transaction consideration | 314 |  |  | € 300 |  |
Cash and cash equivalents | $ 566 |  |  |  |  |

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- Definition Amounts of material contingent liabilities, for example, but not limited to, product or environmental liabilities or litigation, that remain with the entity despite the disposal of the disposal group that is classified as a component of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.Z.5.Q2) -URI https://asc.fasb.org/extlink&oid=26872618&loc=d3e7384-122677 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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