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Mineral Leaseholds, Net
 3 Months Ended
Mar. 31, 2024
Extractive Industries [Abstract]  
Mineral Leaseholds, Net Mineral Leaseholds, Net
Mineral leaseholds, net of accumulated depletion, consisted of the following:
March 31, 2024December 31, 2023
Mineral leaseholds$1,249 $1,260 
Less: accumulated depletion(610)(606)
Mineral leaseholds, net$639 $654 

Depletion expense relating to mineral leaseholds recorded in “Cost of goods sold” in the unaudited Condensed Consolidated Statements of Operations was $7 million and $8 million during the three months ended March 31, 2024 and 2023, respectively.