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Fixed Assets - Summary of Fixed Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Property, Plant and Equipment [Abstract]
Property, plant & equipment	$ 31,818	$ 32,045
Less: Accumulated depreciation	24,071	24,151
Fixed assets less accumulated depreciation	$ 7,747	$ 7,894

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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