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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Accounting Policies [Abstract]  
Estimated Useful Lives of PP&E
Depreciation is provided on a straight-line basis over the estimated useful lives of the assets described below (in years). The Company periodically reviews the estimated useful lives of its PP&E and, where appropriate, changes are made prospectively.
Land improvements25
Buildings and building improvements
25 – 40
Machinery and equipment
3– 18
20222021
Buildings and improvements$1,422 $1,226 
Machinery and equipment5,576 5,372 
Land and improvements213 208 
Construction in progress844 612 
8,055 7,418 
Less: accumulated depreciation and amortization(3,515)(3,382)
$4,540 $4,036 
Capitalized interest related to construction in progress was $28 and $22 for the years ended December 31, 2022 and 2021.
Schedule of Gross Carrying Amounts and Accumulated Amortization of Finite-Lived Intangible Assets
Customer relationships
11 - 18
Trade names
8 - 27
Technology
6 - 8
Long-term supply contracts15
Patents8
Gross carrying amounts and accumulated amortization of finite-lived intangible assets by major class were as follows:

 December 31, 2022December 31, 2021
 GrossAccumulated amortizationNetGrossAccumulated amortizationNet
Customer relationships$1,356 $(542)$814 $1,363 $(443)$920 
Trade names530 (106)424 544 (86)458 
Technology157 (109)48 158 (88)70 
Long term supply contracts146 (76)70 137 (63)74 
Patents11 (9)15 (12)
$2,200 $(842)$1,358 $2,217 $(692)$1,525