v3.24.1.u1
Document and Entity Information
Apr. 23, 2024
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0000949039
Document Type 8-K
Document Period End Date Apr. 23, 2024
Entity Registrant Name Diamond Offshore Drilling, Inc.
Entity Incorporation State Country Code DE
Entity File Number 1-13926
Entity Tax Identification Number 76-0321760
Entity Address, Address Line One 777 N. Eldridge Parkway
Entity Address, Address Line Two Suite 1100
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77079
City Area Code (281)
Local Phone Number 492-5300
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.0001 par value per share
Trading Symbol DO
Security Exchange Name NYSE
Entity Emerging Growth Company false