CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 709.2	$ 732.2
Accounts receivable, net of allowance for credit losses of $0.0 at December 31, 2020 and 2019	244.8	329.5
Inventories	261.6	331.5
Other current assets	204.7	220.7
Total current assets	1,420.3	1,613.9
Property, plant, equipment and mine development, net	3,051.1	4,679.1
Operating lease right-of-use assets	49.9	82.4
Investments and other assets	140.9	139.1
Deferred income taxes	4.9	28.3
Total assets	4,667.1	6,542.8
Current liabilities
Current portion of long-term debt	44.9	18.3
Accounts payable and accrued expenses	745.7	957.0
Total current liabilities	790.6	975.3
Long-term debt, less current portion	1,502.9	1,292.5
Deferred income taxes	35.0	28.8
Asset retirement obligations	650.5	654.1
Accrued postretirement benefit costs	413.2	593.4
Operating lease liabilities, less current portion	42.1	52.8
Other noncurrent liabilities	251.5	273.4
Total liabilities	3,685.8	3,870.3
Stockholders’ equity
Additional paid-in capital	3,364.6	3,351.1
Treasury stock, at cost — 42.7 and 42.3 common shares as of December 31, 2020 and December 31, 2019	(1,368.9)	(1,367.3)
(Accumulated deficit) retained earnings	(1,273.3)	597.0
Accumulated other comprehensive income	205.8	31.6
Peabody Energy Corporation stockholders’ equity	929.6	2,613.8
Noncontrolling interests	51.7	58.7
Total stockholders’ equity	981.3	2,672.5
Total liabilities and stockholders’ equity	4,667.1	6,542.8
Preferred Stock
Stockholders’ equity
Preferred Stock — $0.01 per share par value; 100.0 shares authorized, no shares issued or outstanding as of December 31, 2020 or December 31, 2019	0.0	0.0
Series Common Stock
Stockholders’ equity
Series Common Stock — $0.01 per share par value; 50.0 shares authorized, no shares issued or outstanding as of December 31, 2020 or December 31, 2019	0.0	0.0
Common Stock
Stockholders’ equity
Series Common Stock — $0.01 per share par value; 50.0 shares authorized, no shares issued or outstanding as of December 31, 2020 or December 31, 2019	$ 1.4	$ 1.4

Property, Plant And Equipment And Finance Lease Right-Of-Use Asset, After Accumulated Depreciation and Amortization

No definition available.

Name:	btu_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Namespace Prefix:	btu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.