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Financing Receivables (Schedule Of Lease Receivables, Net Of Nonrecourse Debt, Associated With Leveraged Lease Portfolio Based On Counterparty Credit Rating) (Detail) - Energy Holdings [Member] - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
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Schedule of Financial Receivables [Line Items] |  |
Lease Receivables (net of Non-Recourse Debt) | $ 200 | $ 223
Standard & Poor's, AA Rating [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Lease Receivables (net of Non-Recourse Debt) | 7 |
Standard & Poor's, A- Rating [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Lease Receivables (net of Non-Recourse Debt) | 39 |
Standard & Poor's, BBB+ Rating |  |
Schedule of Financial Receivables [Line Items] |  |
Lease Receivables (net of Non-Recourse Debt) | $ 154 |

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- Definition Schedule of Financial Receivables [Line Items] + References No definition available. + Details
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- Definition This element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt. + 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 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481274/840-30-30-14 + Details
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