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Commitments and Contingencies (Charitable Commitments) (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Other Deferred Credits and Other Liabilities |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |
Charitable commitments | $ 32 | $ 8
Other Current Liabilities |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |
Charitable commitments | 21 | $ 6
Other Income |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |
Charitable expenses | 72 |
Charitable expenses after tax | $ 54 |

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- Definition Charitable expenses after tax + 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 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482648/440-10-50-6 + Details
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