Commitment and Contingencies - Asset Retirement Obligations (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Increase in ARO liability and asset retirement cost asset	$ 45
Frequency of closure costs updates	6 years
Frequency of financial assurance mechanism updates	2 years

Amount of increase (decrease) in asset retirement obligations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Name:	us-gaap_AssetRetirementObligationPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration