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Mineral Leaseholds, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Summary of minerals leaseholds, net of accumulated depletion [Abstract]
Mineral leaseholds	$ 1,338		$ 1,306
Less: accumulated depletion	(575)		(559)
Mineral leaseholds, net	763		$ 747
Depletion expense	$ 8	$ 10

X

- Definition

The noncash expense charged against earnings to recognize the consumption of natural resources.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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- Definition

The accumulated decrease in the carrying value of the mineral properties as a result of mine or mineral production.

+ References

No definition available.

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- Definition

Carrying amount at the balance sheet date of mineral properties, gross of adjustments.

+ References

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- Definition

Mineral properties, net of adjustments.

+ References

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