Guarantees, Contingencies and Commitments - Schedule of Unconditional Purchase Obligations & Commitments (Detail) $ in Millions	Dec. 31, 2024 USD ($)
Capital Expenditures
Loss Contingencies [Line Items]
Total	$ 7,936
2025	2,337
2026	2,364
2027	1,904
2028	711
2029	393
Thereafter	227
Operating Expenses
Loss Contingencies [Line Items]
Total	673
2025	254
2026	56
2027	50
2028	63
2029	63
Thereafter	187
Transportation and Related Contracts
Loss Contingencies [Line Items]
Total	1,948
2025	258
2026	281
2027	266
2028	259
2029	255
Thereafter	$ 629

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.

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