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Intangible Assets, Net (Tables)
3 Months Ended
Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Net of Accumulated Amortization Intangible assets, net of accumulated amortization, consisted of the following:
March 31, 2022December 31, 2021
Gross CostAccumulated
Amortization
Net Carrying
Amount
Gross CostAccumulated
Amortization
Net Carrying
Amount
Customer relationships$291 $(216)$75 $291 $(211)$80 
TiO2 technology
93 (32)61 93 (31)62 
Internal-use software and other136 (43)93 120 (45)75 
Intangible assets, net$520 $(291)$229 $504 $(287)$217 
Finite-lived Intangible Assets Amortization Expense
The table below summarizes amortization expense related to intangible assets for the periods presented, recorded in the specific line items in our unaudited Condensed Consolidated Statements of Income:
Three Months Ended March 31,
20222021
Selling, general and administrative expenses
Total$$