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Commitments and Contingencies (Charitable Commitments) (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021
Other Deferred Credits and Other Liabilities |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |
Charitable commitments |  | $ 32 | $ 43
Other Current Liabilities |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |
Charitable commitments |  | $ 11 | $ 26
Other Income |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |
Charitable expenses | $ 80 |  |

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- Definition Charitable Commitments. + References No definition available. + Details
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Balance Type: | credit
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- Definition Charitable expenses. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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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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- Details
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Namespace Prefix: |
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- Details
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