For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Business Segments - Schedule of Revenue by Major Customers (Details) - Sales Revenue - Customer Concentration Risk	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Chevron Corporation
Segment Reporting Information [Line Items]
Concentration risk	19.00%	30.00%	24.00%
ExxonMobil Corporation
Segment Reporting Information [Line Items]
Concentration risk	12.00%
Phillips 66
Segment Reporting Information [Line Items]
Concentration risk			18.00%