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Financing Receivables (Narrative) (Detail) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Energy Holdings [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Investment in Leveraged Leases, Net | $ 123 | $ 136

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- Definition The net investment in arrangements meeting the criteria for classification as leveraged leases including deferred taxes. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479711/842-50-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 840 -SubTopic 30 -Name Accounting Standards Codification -Section 30 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481274/840-30-30-14 + Details
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