Contingencies (Legal Proceedings) (Details) - Asbestos litigation	3 Months Ended
	Mar. 31, 2026 plaintiff lawsuit
Contingencies
Number of claims \| lawsuit	497
LOUISIANA
Contingencies
Number of plaintiffs	5
Illinois and Missouri
Contingencies
Number of plaintiffs	35

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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+ Details

Transocean Ltd. 10-Q