XML 123 R109.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Business Segments (Geographic Information on Certain Long-Lived Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain Long-Lived Assets | $ 8,220.0 | $ 8,316.2 | $ 9,818.4
United States [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain Long-Lived Assets | 5,050.5 | 5,121.6 | 5,484.7
Canada [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain Long-Lived Assets | 1,635.9 | 1,451.4 | 2,310.6
Malaysia [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain Long-Lived Assets | 1,392.3 | 1,637.0 | 1,912.0
Other [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain Long-Lived Assets | $ 141.3 | $ 106.2 | $ 111.1

X
- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
Name: | us-gaap_NoncurrentAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_MY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=mur_OtherCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |