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Mineral Leaseholds, Net
 9 Months Ended
Sep. 30, 2024
Extractive Industries [Abstract]  
Mineral Leaseholds, Net Mineral Leaseholds, Net
Mineral leaseholds, net of accumulated depletion, consisted of the following:
September 30, 2024December 31, 2023
Mineral leaseholds$1,279 $1,260 
Less: accumulated depletion(635)(606)
Mineral leaseholds, net$644 $654 

Depletion expense relating to mineral leaseholds recorded in “Cost of goods sold” in the unaudited Condensed Consolidated Statements of Operations was $8 million and $7 million during the three months ended September 30, 2024 and 2023, respectively. Depletion expense relating to mineral leaseholds recorded in "Cost of goods sold" in the unaudited Condensed Consolidated Statements of Operations was $23 million and $22 million during the nine months ended September 30, 2024 and 2023, respectively.