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Property, Plant and Equipment, Net
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment, Net Property, Plant and Equipment, Net
As of December 31,
20252024
(In $ millions)
Land199 240 
Land improvements93 91 
Buildings and building improvements1,168 1,059 
Machinery and equipment8,264 7,745 
Construction in progress588 700 
Gross asset value10,312 9,835 
Accumulated depreciation(5,236)(4,562)
Net book value(1)
5,076 5,273 
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(1)Includes assets under finance leases, net, of $106 million and $119 million as of December 31, 2025 and 2024, respectively.
Capitalized interest costs and depreciation expense are as follows:
Year Ended December 31,
202520242023
(In $ millions)
Capitalized interest24 30 37 
Depreciation expense595 640 540 
During 2025, 2024 and 2023, certain long-lived assets were impaired (Note 24).