XML 27 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover Page Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Feb. 18, 2020
Jun. 30, 2019
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 1-16463    
Entity Registrant Name PEABODY ENERGY CORP    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 13-4004153    
Entity Address, Address Line One 701 Market Street,    
Entity Address, City or Town St. Louis,    
Entity Address, State or Province MO    
Entity Address, Postal Zip Code 63101-1826    
City Area Code 314    
Local Phone Number 342-3400    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol BTU    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 1,900.0
Entity Bankruptcy Proceedings, Reporting Current true    
Documents Incorporated by Reference [Text Block]
Portions of the Company’s Proxy Statement to be filed with the Securities and Exchange Commission in connection with the Company’s 2020 Annual Meeting of Shareholders (the Company’s 2020 Proxy Statement) are incorporated by reference into Part III hereof. Other documents incorporated by reference in this report are listed in the Exhibit Index of this Form 10-K.
    
Entity Common Stock, Shares Outstanding   97,108,831  
Entity Central Index Key 0001064728    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false