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Mineral Leaseholds, Net
3 Months Ended
Mar. 31, 2022
Extractive Industries [Abstract]  
Mineral Leaseholds, Net Mineral Leaseholds, Net
Mineral leaseholds, net of accumulated depletion, consisted of the following:
March 31, 2022December 31, 2021
Mineral leaseholds$1,338 $1,306 
Less: accumulated depletion(575)(559)
Mineral leaseholds, net$763 $747 
Depletion expense relating to mineral leaseholds recorded in “Cost of goods sold” in the unaudited Condensed Consolidated Statements of Income was $8 million and $10 million during the three months ended March 31, 2022 and 2021, respectively.