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v3.25.1

Restructuring and Related Costs - Schedule of Restructuring Reserve by Type of Cost (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and related costs | $ 62 | $ 239 | $ 95 | $ 274
Current Restructuring Plans |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and related costs |  |  | 73 |
Utilized—cash |  |  | (36) |
Utilized—noncash |  |  | (11) |
Other |  |  | 2 |
Restructuring reserve, ending balance | 28 |  | 28 |
Previous Restructuring Plans |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring reserve, beginning balance |  |  | 75 |
Utilized—cash |  |  | (40) |
Other |  |  | 1 |
Restructuring reserve, ending balance | 36 |  | 36 |
Employee Severance and Termination Benefits | Current Restructuring Plans |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and related costs |  |  | 44 |
Utilized—cash |  |  | (24) |
Utilized—noncash |  |  | 0 |
Other |  |  | 0 |
Restructuring reserve, ending balance | 20 |  | 20 |
Employee Severance and Termination Benefits | Previous Restructuring Plans |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring reserve, beginning balance |  |  | 58 |
Utilized—cash |  |  | (40) |
Other |  |  | 0 |
Restructuring reserve, ending balance | 18 |  | 18 |
Long-Lived Asset Impairments | Current Restructuring Plans |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and related costs |  |  | 11 |
Utilized—cash |  |  | 0 |
Utilized—noncash |  |  | (11) |
Other |  |  | 0 |
Restructuring reserve, ending balance | 0 |  | 0 |
Other | Current Restructuring Plans |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and related costs |  |  | 18 |
Utilized—cash |  |  | (12) |
Utilized—noncash |  |  | 0 |
Other |  |  | 2 |
Restructuring reserve, ending balance | 8 |  | 8 |
Other | Previous Restructuring Plans |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring reserve, beginning balance |  |  | 17 |
Utilized—cash |  |  | 0 |
Other |  |  | 1 |
Restructuring reserve, ending balance | $ 18 |  | $ 18 |

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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 -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-17 + 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 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + 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 -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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