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Supplemental Financial Information Schedule of Revenue by Major Customers, by Reporting Segments (Details) - Revenue Benchmark [Member] - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Petrobras S.A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	13.00%	8.00%	13.00%	9.00%
British Petroleum
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	14.00%	19.00%	12.00%	18.00%
Equinor A S A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	6.00%	9.00%	6.00%	10.00%
Other Customers
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	56.00%	57.00%	59.00%	60.00%
Azule Energy
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	11.00%	7.00%	10.00%	3.00%
Floaters
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	51.00%	60.00%	54.00%	62.00%
Floaters | Petrobras S.A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	13.00%	8.00%	13.00%	9.00%
Floaters | British Petroleum
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	5.00%	12.00%	4.00%	9.00%
Floaters | Equinor A S A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	6.00%	9.00%	6.00%	10.00%
Floaters | Other Customers
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	20.00%	24.00%	24.00%	31.00%
Floaters | Azule Energy
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	7.00%	7.00%	7.00%	3.00%
Jackups
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	40.00%	33.00%	38.00%	31.00%
Jackups | Petrobras S.A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	0.00%	0.00%	0.00%	0.00%
Jackups | British Petroleum
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	3.00%	2.00%	3.00%	4.00%
Jackups | Equinor A S A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	0.00%	0.00%	0.00%	0.00%
Jackups | Other Customers
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	33.00%	31.00%	32.00%	27.00%
Jackups | Azule Energy
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	4.00%	0.00%	3.00%	0.00%
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	9.00%	7.00%	8.00%	7.00%
Other | Petrobras S.A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	0.00%	0.00%	0.00%	0.00%
Other | British Petroleum
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	6.00%	5.00%	5.00%	5.00%
Other | Equinor A S A
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	0.00%	0.00%	0.00%	0.00%
Other | Other Customers
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	3.00%	2.00%	3.00%	2.00%
Other | Azule Energy
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	0.00%	0.00%	0.00%	0.00%

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 20
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

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