v3.26.1
Cover Page
Aug. 27, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 27, 2026
Entity Registrant Name PEABODY ENERGY CORPORATION
Entity Incorporation, State or Country Code DE
Entity File Number 1-16463
Entity Tax Identification Number 13-4004153
Entity Address, Address Line One 1245 J.J. Kelley Memorial Drive, Suite 700
Entity Address, City or Town St. Louis,
Entity Address, State or Province MO
Entity Address, Postal Zip Code 63131
City Area Code (314)
Local Phone Number 342-3400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol BTU
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001064728
Amendment Flag false