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Property and Equipment
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment, net consists of the following:
December 31,
(In millions)Estimated Useful Life (years)20242023
Land
$8 $9 
Buildings and improvements
40100 95 
Machinery, equipment and other
3-15
809 772 
 Product tooling
3-5
91 86 
Construction in progress
91 83 
Total property and equipment
1,099 1,045 
Accumulated depreciation and amortization
(647)(627)
Property and equipment, net
$452 $418 

Depreciation and product tooling amortization expenses are summarized as follows:
Year Ended December 31,
(In millions)202420232022
Depreciation$76 $77 $83 
Amortization7 7 7 
$83 $84 $90 

The net book value of capitalized internal use software costs was approximately $7 million and $8 million as of December 31, 2024 and 2023. respectively. Related amortization expense was approximately $5 million, $3 million and $5 million for the years ended 2024, 2023 and 2022, respectively.
Amortization