Guarantees, Contingencies and Commitments - Schedule of Unconditional Purchase Obligations & Commitments (Detail) $ in Millions	Dec. 31, 2023 USD ($)
Capital Expenditures
Loss Contingencies [Line Items]
Total	$ 7,472
2024	2,371
2025	2,106
2026	1,757
2027	774
2028	371
Thereafter	93
Operating Expenses
Loss Contingencies [Line Items]
Total	762
2024	238
2025	107
2026	55
2027	50
2028	63
Thereafter	249
Transportation and Related Contracts
Loss Contingencies [Line Items]
Total	2,243
2024	298
2025	260
2026	286
2027	277
2028	261
Thereafter	$ 861

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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