XML 52 R40.htm IDEA: XBRL DOCUMENT v3.21.1

Revenues (Disaggregation of Revenue) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue		$ 3,537.1	$ 3,184.8
Total petroleum product sales
Disaggregation of Revenue [Line Items]
Revenue	[1]	2,635.8	2,480.2
Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Revenue		2,384.8	2,246.2
Petroleum product sales (at wholesale)
Disaggregation of Revenue [Line Items]
Revenue		251.0	234.0
Merchandise sales
Disaggregation of Revenue [Line Items]
Revenue		833.2	687.5
RINs
Disaggregation of Revenue [Line Items]
Revenue		66.7	15.5
Other revenues
Disaggregation of Revenue [Line Items]
Revenue		1.4	1.6
Operating Segments | Marketing
Disaggregation of Revenue [Line Items]
Revenue		3,537.1	3,184.7
Operating Segments | Marketing | Total petroleum product sales
Disaggregation of Revenue [Line Items]
Revenue		2,635.8	2,480.2
Operating Segments | Marketing | Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Revenue		2,384.8	2,246.2
Operating Segments | Marketing | Petroleum product sales (at wholesale)
Disaggregation of Revenue [Line Items]
Revenue		251.0	234.0
Operating Segments | Marketing | Merchandise sales
Disaggregation of Revenue [Line Items]
Revenue		833.2	687.5
Operating Segments | Marketing | RINs
Disaggregation of Revenue [Line Items]
Revenue		66.7	15.5
Operating Segments | Marketing | Other revenues
Disaggregation of Revenue [Line Items]
Revenue		1.4	1.5
Corporate and Other Assets
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.1
Corporate and Other Assets | Total petroleum product sales
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Petroleum product sales (at wholesale)
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Merchandise sales
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | RINs
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Other revenues
Disaggregation of Revenue [Line Items]
Revenue		$ 0.0	$ 0.1
[1] Includes excise taxes of $469.6 million for the three months ended March 31, 2021, $473.5 million for the three months ended March 31, 2020, $469.6 million for the three months ended March 31, 2021 and $473.5 million the three months ended March 31, 2020.

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_ProductOrServiceAxis=musa_ProductPetroleumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=musa_ProductSalesPetroleumRetailMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=musa_ProductSalesPetroleumWholesaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=musa_MerchandiseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=musa_RenewableIdentificationNumbersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=musa_RevenueOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=musa_MarketingSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidationItemsAxis=musa_CorporateAndReconcilingItemsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: