Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Allowance for Doubtful Accounts Receivable, Current	$ 6.6	$ 5.8
Current assets
Cash and cash equivalents	261.3	298.0
Accounts receivable, net of allowance for doubtful accounts of $6.6 at December 31, 2015 and $5.8 at December 31, 2014	228.8	563.1
Inventories	307.8	406.5
Assets from coal trading activities, net	23.5	57.6
Deferred income taxes	53.5	80.0
Other current assets	503.1	305.8
Total current assets	1,378.0	1,711.0
Property, plant, equipment and mine development, net	9,258.5	10,577.3
Deferred income taxes	2.2	0.7
Investments and other assets	382.6	902.1
Total assets	11,021.3	13,191.1
Current liabilities
Current portion of long-term debt	5,930.4	21.2
Liabilities from coal trading activities, net	15.6	32.7
Accounts payable and accrued expenses	1,446.3	1,809.2
Total current liabilities	7,392.3	1,863.1
Long-term debt, less current portion	385.2	5,965.6
Deferred income taxes	69.1	89.1
Asset retirement obligations	686.6	722.3
Accrued postretirement benefit costs	722.9	781.9
Other noncurrent liabilities	846.7	1,042.6
Total liabilities	10,102.8	10,464.6
Stockholders' equity
Additional paid-in capital	2,410.7	2,386.0
Treasury stock, at cost - 0.8 shares as of December 31, 2015 and 0.9 shares as of December 31, 2014	(371.7)	(467.1)
(Accumulated deficit) retained earnings	(503.4)	1,570.5
Accumulated other comprehensive loss	(618.9)	(764.8)
Peabody Energy Corporation's stockholders' equity	916.9	2,724.8
Noncontrolling interests	1.6	1.7
Total stockholders' equity	918.5	2,726.5
Total liabilities and stockholders' equity	11,021.3	13,191.1
Preferred Stock [Member]
Stockholders' equity
Preferred Stock	0.0	0.0
Perpetual Preferred Stock [Member]
Stockholders' equity
Preferred Stock	0.0	0.0
Series Common Stock [Member]
Stockholders' equity
Common Stock	0.0	0.0
Common Stock [Member]
Stockholders' equity
Common Stock	$ 0.2	$ 0.2