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Subsequent Events (Details) - Subsequent Event - Transocean Ltd. $ in Millions	Feb. 09, 2026 USD ($) shares
Subsequent Event [Line Items]
Consideration transferred	$ 5,800.0
Equity interest issued and issuable (in shares) | shares	15.235
Termination fees	$ 173.0
Transocean Ltd.
Subsequent Event [Line Items]
Voting equity interest acquired	53.00%
valaris
Subsequent Event [Line Items]
Voting equity interest acquired	47.00%

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