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Derivatives and Hedge Accounting Activities (Fair Value of Derivatives) (Parenthetical) (Detail) - Held for Sale - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Derivatives, Fair Value [Line Items] |  |
Derivative asset held for sale, current | $ 10 | $ 118
Derivative asset held for sale, non current |  | 1
Derivative liabilities held for sale, current | $ 12 | 6
Derivative liabilities held for sale, non current |  | $ 1

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- Definition Disposal group including discontinued operation derivative assets current. + References No definition available. + Details
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Balance Type: | debit
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- Definition Disposal group including discontinued operation derivative assets non current. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Disposal group including discontinued operation derivative liabilities current. + References No definition available. + Details
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- Definition Disposal group including discontinued operation derivative liabilities non current. + 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 No definition available. + Details
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- Details
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Data Type: | na
Balance Type: |
Period Type: |