Consolidated Balance Sheets - USD ($) shares in Millions, $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 732.2	$ 981.9
Accounts receivable, net of allowance for doubtful accounts of $0.0 at December 31, 2019 and $4.4 at December 31, 2018	329.5	450.4
Inventories	331.5	280.2
Other current assets	220.7	243.1
Total current assets	1,613.9	1,955.6
Property, plant, equipment and mine development, net	4,679.1	5,207.0
Operating Lease, Right-of-Use Asset	82.4	0.0
Investments and other assets	139.1	212.6
Deferred income taxes	28.3	48.5
Total assets	6,542.8	7,423.7
Current liabilities
Current portion of long-term debt	18.3	36.5
Accounts payable and accrued expenses	957.0	1,022.0
Total current liabilities	975.3	1,058.5
Long-term debt, less current portion	1,292.5	1,330.5
Deferred income taxes	28.8	9.7
Asset retirement obligations	654.1	686.4
Accrued postretirement benefit costs	593.4	547.7
Operating Lease, Liability, Noncurrent	52.8	0.0
Other noncurrent liabilities	273.4	339.3
Total liabilities	3,870.3	3,972.1
Stockholders’ equity
Additional paid-in capital	3,351.1	3,304.7
Treasury stock, at cost — 42.3 and 27.3 common shares as of December 31, 2019 and December 31, 2018	(1,367.3)	(1,025.1)
Retained earnings	597.0	1,074.5
Accumulated other comprehensive income	31.6	40.1
Peabody Energy Corporation stockholders’ equity	2,613.8	3,395.6
Noncontrolling interests	58.7	56.0
Total stockholders’ equity	2,672.5	3,451.6
Total liabilities and stockholders’ equity	6,542.8	7,423.7
Accounts Receivable, Allowance for Credit Loss, Current	$ 0.0	$ 4.4
Preferred Stock, shares authorized	100.0
Preferred Stock, shares outstanding (in shares)	0.0	0.0
Common stock, shares outstanding (in shares)	96.9	110.4
Preferred Stock
Stockholders’ equity
Preferred stock	$ 0.0	$ 0.0
Preferred Stock, shares authorized	100.0	50.0
Preferred Stock, shares issued (in shares)	0.0	0.0
Preferred Stock, shares outstanding (in shares)	0.0	0.0
Preferred Stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Series Common Stock
Stockholders’ equity
Common Stock	$ 0.0	$ 0.0
Common Stock, shares authorized	50.0	50.0
Common Stock, shares issued (in shares)	0.0	0.0
Common stock, shares outstanding (in shares)	0.0	0.0
Common Stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common Stock
Stockholders’ equity
Common Stock	$ 1.4	$ 1.4
Common Stock, shares authorized	450.0	450.0
Common Stock, shares issued (in shares)	139.2	137.7
Common stock, shares outstanding (in shares)	96.9	110.4
Common Stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Convertible Preferred Stock
Stockholders’ equity
Preferred Stock, shares authorized	0.0	50.0
Preferred Stock, shares issued (in shares)	0.0	30.0
Preferred Stock, shares outstanding (in shares)	0.0	13.5
Preferred Stock, par value per share (in dollars per share)	$ 0.01	$ 0.01