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Accumulated Other Comprehensive Income (Loss) ("AOCI") - Additional Information (Detail) - U K Termination Plans [Member] $ in Millions | 9 Months Ended
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Jun. 30, 2026 USD ($)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
Settlement gain loss on pension plan termination | $ (29)
Defined benefit plan settlement charge recognized amount | $ 1

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- Definition Settlement gain loss on pension plan termination. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482765/220-10-50-6 + Details
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- Details
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