Amount of liability recognized arising from contingent consideration in a business combination.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

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

COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions	Feb. 01, 2020	Mar. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Environmental liability		$ 156.8	$ 155.3
Martinez Acquistion
Loss Contingencies [Line Items]
Term of Agreement	4 years
Business Combination, Contingent Consideration, Liability		79.5	29.4
Other Noncurrent Liabilities [Member]
Loss Contingencies [Line Items]
Environmental liability		142.8	141.0
Environmental Issue [Member] \| Torrance Refinery [Member]
Loss Contingencies [Line Items]
Environmental liability		$ 116.5	$ 118.5