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Supplemental Cash Flow Information (Reconciliation of Additions to Property, Plant and Equipment to Total Capital Expenditures) (Detail) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Supplemental Cash Flow Elements [Abstract] |  |  |
Additions to property, plant and equipment per the consolidated statements of cash flows |  | $ 913 | $ 663
Increase (decrease) in capital accruals |  | 99 | (19)
Capital expenditures | [1] | $ 1,012 | $ 644
[1] | Includes changes in capital expenditure accruals. See Note 18 for a reconciliation of total capital expenditures to additions to property, plant and equipment for the three months ended March 31, 2026 and 2025 as reported in the consolidated statements of cash flows.

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- Definition Capital expenditures + References No definition available. + Details
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- Definition Increase (decrease) during the period in the accrual for capital expenditures + References No definition available. + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
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- References No definition available. + Details
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