Contingencies (Details) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Maximum period of limit for loan repayment	15 years
Maximum period of limit for repayment regarding leases with foreign lenders	25 years
Maximum period of contract range of specified parties related to legal liability	25 years
Asset retirement obligations, noncurrent	$ 5

Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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_AssetRetirementObligationsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant