v3.22.4
Document and Entity Information
Jan. 31, 2023
Document and Entity Information  
Document Type 8-K
Document Period End Date Jan. 31, 2023
Entity File Number 001-38373
Entity Registrant Name TRANSOCEAN LTD
Entity Incorporation, State or Country Code V8
Entity Tax Identification Number 98-0599916
Entity Address, Address Line One Turmstrasse 30
Entity Address, City or Town Steinhausen
Entity Address, Postal Zip Code CH-6312
Entity Address, Country CH
City Area Code +41 (41)
Local Phone Number 749-0500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001451505
Amendment Flag false
Shares  
Document and Entity Information  
Title of 12(b) Security Shares
Trading Symbol RIG
Security Exchange Name NYSE
0.50% Exchangeable Bonds due January 2023  
Document and Entity Information  
Title of 12(b) Security 0.50% Exchangeable Senior Bonds due 2023
Trading Symbol RIG/23
Security Exchange Name NYSE