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Property, Plant and Equipment-Net (Tables)
 9 Months Ended
Sep. 30, 2024
Property, Plant and Equipment, Net [Abstract]  
Components of property, plant and equipment-net
Property, plant and equipment—net consists of the following:
 September 30, 
2024		December 31, 
2023
 (in millions)
Land$115 $114 
Machinery and equipment13,766 13,716 
Buildings and improvements1,014 1,020 
Construction in progress548 394 
Property, plant and equipment(1)
15,443 15,244 
Less: Accumulated depreciation and amortization8,627 8,103 
Property, plant and equipment—net$6,816 $7,141 
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(1)As of September 30, 2024 and December 31, 2023, we had property, plant and equipment that was accrued but unpaid of $122 million and $68 million, respectively. As of September 30, 2023 and December 31, 2022, we had property, plant and equipment that was accrued but unpaid of $80 million and $53 million, respectively.
Summary of plant turnaround activity
The following is a summary of capitalized plant turnaround costs:
 Nine months ended 
 September 30,
 20242023
 (in millions)
Net capitalized plant turnaround costs as of January 1$352 $312 
Additions120 121 
Depreciation(134)(95)
Effect of exchange rate changes and other— (4)
Net capitalized plant turnaround costs as of September 30
$338 $334