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Segment Information (Schedule Of Geographic Distribution Of Rigs By Segment) (Details) | Dec. 31, 2025 rigs
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Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 46
Number of jackups leased by ARO | 7
Held-for-sale |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 1
Floaters [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 15
Floaters [Member] | Held-for-sale |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 1
Jackups [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 24
Jackups [Member] | Held-for-sale |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
Other [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 7
Other [Member] | Held-for-sale |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
ARO |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 9
ARO | Held-for-sale |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
North & South America (Excluding Brazil) [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 8
North & South America (Excluding Brazil) [Member] | Floaters [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 5
North & South America (Excluding Brazil) [Member] | Jackups [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 3
North & South America (Excluding Brazil) [Member] | Other [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
North & South America (Excluding Brazil) [Member] | ARO |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
Europe & Mediterranean [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 17
Europe & Mediterranean [Member] | Floaters [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 6
Europe & Mediterranean [Member] | Jackups [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 11
Europe & Mediterranean [Member] | Other [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
Europe & Mediterranean [Member] | ARO |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
Asia Pacific [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 4
Asia Pacific [Member] | Floaters [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 1
Asia Pacific [Member] | Jackups [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 3
Asia Pacific [Member] | Other [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
Asia Pacific [Member] | ARO |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 0
Middle East and Africa |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 16
Middle East and Africa | Floaters [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 2
Middle East and Africa | Jackups [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 7
Middle East and Africa | Other [Member] |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 7
Middle East and Africa | ARO |
Segment Reporting Information [Line Items] |
Total number of contract drilling rigs | 9

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