XML 26 R15.htm IDEA: XBRL DOCUMENT
v3.21.1

Other Financial Information | 3 Months Ended
--- | ---
Mar. 31, 2021
Other Financial Information [Abstract] |
Other Financial Information | Note G – Other Financial Information Additional disclosures regarding cash flow activities are provided below.
| Three Months Ended March 31,
(Thousands of dollars) | 2021 |  | 2020
Net (increase) decrease in operating working capital, excluding cash and cash equivalents: |  |  |
(Increase) decrease in accounts receivable ¹ | $ | (16,954) |  |  | 186,436 |
Decrease in inventories | 392 |  |  | 7,553 |
(Increase) in prepaid expenses | (3,652) |  |  | (10,179) |
Increase (decrease) in accounts payable and accrued liabilities ¹ | 11,810 |  |  | (76,287) |
Increase (decrease) in income taxes payable | (648) |  |  | 304 |
Net (increase) decrease in noncash operating working capital | $ | (9,052) |  |  | 107,827 |
Supplementary disclosures: |  |  |
Cash income taxes paid, net of refunds | $ | 720 |  |  | 72 |
Interest paid, net of amounts capitalized of $3.3 million in 2021 and $2.4 million in 2020 | 44,577 |  |  | 42,344 |
Non-cash investing activities: |  |  |
Asset retirement costs capitalized ² | $ | 6,390 |  |  | 280 |
Decrease in capital expenditure accrual | 13,617 |  |  | 10,633 |
1 Excludes receivable/payable balances relating to mark-to-market of crude contracts and contingent consideration relating to acquisitions. 2 Excludes non-cash capitalized cost offset by impairment of $74.4 million in 2021.

X
- Definition Other Financial Information [Abstract] + References No definition available. + Details
Name: | mur_OtherFinancialInformationAbstract
Namespace Prefix: | mur_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
Name: | us-gaap_AdditionalFinancialInformationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration