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v3.23.1

Significant Restructuring and Impairment Costs - Schedule of Restructuring Reserve by Type of Cost (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Restructuring Reserve [Roll Forward] |  |  |  |  |
Additional restructuring costs | $ 418 |  | $ 384 | $ 763 | $ 433
Various 2023 Restructuring Plans |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring reserve, beginning balance | 43 | $ 57 |  | 57 |
Additional restructuring costs | 24 |  |  | 81 |
Utilized—cash | (40) | (8) |  |  |
Utilized—noncash | (4) | (6) |  |  |
Restructuring reserve, ending balance | 23 | 43 |  | 23 |
Employee Severance and Termination Benefits | Various 2023 Restructuring Plans |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring reserve, beginning balance | 27 | 30 |  | 30 |
Additional restructuring costs | 17 |  |  |  |
Utilized—cash | (32) | (3) |  |  |
Utilized—noncash | 0 | 0 |  |  |
Restructuring reserve, ending balance | 12 | 27 |  | 12 |
Long-Lived Asset Impairments | Various 2023 Restructuring Plans |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring reserve, beginning balance | 0 | 6 |  | 6 |
Additional restructuring costs | 4 |  |  |  |
Utilized—cash | 0 | 0 |  |  |
Utilized—noncash | (4) | (6) |  |  |
Restructuring reserve, ending balance | 0 | 0 |  | 0 |
Other | Various 2023 Restructuring Plans |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring reserve, beginning balance | 16 | 21 |  | 21 |
Additional restructuring costs | 3 |  |  |  |
Utilized—cash | (8) | (5) |  |  |
Utilized—noncash | 0 | 0 |  |  |
Restructuring reserve, ending balance | $ 11 | $ 16 |  | $ 11 |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585 + Details
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of decrease in the reserve for full or partial settlement through consideration other than cash. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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