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Derivative Instruments - Additional Information (Detail) - USD ($) $ in Millions | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Derivative [Line Items] |  |  |  |  |  |
Derivatives designated as cash flow hedges gain (loss), amount expected to be reclassified to future net income (loss), net of tax | $ 730 | $ 1,154 | $ 849 | $ 1,010 | $ 1,274 | $ 1,200
Year by which all forecasted transactions associated with qualifying cash flow hedges are expected to occur | 2057 | 2057 |  |  |  |
Derivatives designated as cash flow hedges gain (loss), amount expected to be reclassified to net income in the next 12 months, net of tax | $ 129 |  |  |  |  |
Amount reclassified to net income (loss) in connection with forecasted transactions that were no longer considered probable of occurring | $ 3 | $ 7 |  |  |  |

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- Definition Year through which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions. + References No definition available. + Details
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- Definition Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-11 + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480870/815-30-50-1 + 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 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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- Definition The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480870/815-30-50-1 + Details
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