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- Definition

Contract Value Deduction, Value

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- Definition

Loss Contingency, Delay Penalty, Percentage

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- Definition

Number Of Active Contracts

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- Definition

Number Of Drillships

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- Definition

Number Of Historic Contracts

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- Definition

Number Of Rigs

+ References

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of damages paid to the plaintiff in the legal matter.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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- 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.

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Commitments and contingencies (Details) kr in Millions, R$ in Millions, $ in Millions			1 Months Ended			9 Months Ended
	Jan. 06, 2025 USD ($) rig drillship	Mar. 05, 2023 USD ($)	Oct. 31, 2025 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2025 USD ($) rig contract	Sep. 30, 2025 BRL (R$)	Aug. 31, 2025 NOK (kr)	Jul. 11, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 30, 2015 USD ($) rig
Other Commitments [Line Items]
Contract value deduction percentage											2.00%
Contract value deduction, value											$ 69
Number of active contracts \| contract						2
Number of historic contracts \| contract						2
Sonadrill \| Performance guarantee
Other Commitments [Line Items]
Guarantor obligations, maximum exposure, undiscounted						$ 1,100				$ 1,100
Number of rigs \| rig						3
Sete Brazil Claim
Other Commitments [Line Items]
Loss contingency, damages sought, value	$ 213					$ 825
Number of rigs \| rig	28
Number of drillships \| drillship	3
Loss contingency, delay penalty, percentage	10.00%
Surety Bond
Other Commitments [Line Items]
Loss contingency, damages sought, value						82	R$ 436
Tax Year 2009 \| Seadrill Servicos De Petroleo Ltda Seadrill Brazil
Other Commitments [Line Items]
Loss contingency, damages sought, value				$ 79
Tax Year 2008, 2012, 2016, And 2017 \| Seadrill Servicos De Petroleo Ltda Seadrill Brazil
Other Commitments [Line Items]
Loss contingency, damages sought, value						84
NIGERIA
Other Commitments [Line Items]
Number of rigs \| rig											3
Brazil \| Seadrill Servicos De Petroleo Ltda Seadrill Brazil \| Sete Brazil Claim
Other Commitments [Line Items]
Number of drillships \| drillship	5
SFL Hercules Ltd
Other Commitments [Line Items]
Amount awarded		$ 37
Fee expense		$ 11
Guarantor obligations, maximum exposure, undiscounted						57		kr 574
SFL Hercules Ltd \| Bilateral Facility
Other Commitments [Line Items]
Guarantor obligations, maximum exposure, undiscounted						$ 17		kr 171
Sonadrill fees claimant
Other Commitments [Line Items]
Loss contingency, damages sought, value					$ 72
Sonadrill fees claimant \| Subsequent event
Other Commitments [Line Items]
Damages paid			$ 43
Sonadrill fees claimant \| Maximum
Other Commitments [Line Items]
Estimated liability									$ 61