CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 1,120.7	$ 954.3
Accounts receivable, net of allowance for credit losses of $0.0 at June 30, 2022 and December 31, 2021	530.4	350.5
Inventories, net	252.9	226.7
Other current assets	346.0	270.2
Total current assets	2,250.0	1,801.7
Property, plant, equipment and mine development, net	2,856.6	2,950.6
Operating lease right-of-use assets	36.3	35.5
Investments and other assets	157.0	162.0
Total assets	5,299.9	4,949.8
Current liabilities
Current portion of long-term debt	177.7	59.6
Accounts payable and accrued expenses	811.2	872.1
Total current liabilities	988.9	931.7
Long-term debt, less current portion	869.2	1,078.2
Deferred income taxes	25.9	27.3
Asset retirement obligations	660.0	654.8
Accrued postretirement benefit costs	206.8	212.1
Operating lease liabilities, less current portion	24.4	27.2
Other noncurrent liabilities	231.3	197.7
Total liabilities	3,006.5	3,129.0
Stockholders’ equity
Additional paid-in capital	3,972.9	3,745.6
Treasury stock, at cost — 43.2 and 43.0 common shares as of June 30, 2022 and December 31, 2021	(1,372.9)	(1,370.3)
Accumulated deficit	(623.2)	(913.2)
Accumulated other comprehensive income	269.5	297.9
Peabody Energy Corporation stockholders’ equity	2,248.2	1,761.8
Noncontrolling interests	45.2	59.0
Total stockholders’ equity	2,293.4	1,820.8
Total liabilities and stockholders’ equity	$ 5,299.9	$ 4,949.8
Treasury stock, shares (in shares)	43,200,000	43,000,000.0
Preferred Stock
Stockholders’ equity
Preferred Stock — $0.01 per share par value; 100.0 shares authorized, no shares issued or outstanding as of June 30, 2022 and December 31, 2021	$ 0.0	$ 0.0
Preferred stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000.0	100,000,000.0
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Series Common Stock
Stockholders’ equity
Common Stock — $0.01 per share par value; 450.0 shares authorized, 187.1 shares issued and 143.9 shares outstanding as of June 30, 2022 and 176.3 shares issued and 133.3 shares outstanding as of December 31, 2021	$ 0.0	$ 0.0
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	50,000,000.0	50,000,000.0
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0
Common Stock
Stockholders’ equity
Common Stock — $0.01 per share par value; 450.0 shares authorized, 187.1 shares issued and 143.9 shares outstanding as of June 30, 2022 and 176.3 shares issued and 133.3 shares outstanding as of December 31, 2021	$ 1.9	$ 1.8
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	450,000,000.0	450,000,000.0
Common stock, shares issued (in shares)	187,100,000	176,300,000
Common stock, shares outstanding (in shares)	143,900,000	133,300,000