CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 855.7	$ 969.3
Accounts receivable, net of allowance for credit losses of $0.0 at March 31, 2024 and December 31, 2023	343.1	389.7
Inventories, net	404.3	351.8
Other current assets	298.4	308.9
Total current assets	1,901.5	2,019.7
Property, plant, equipment and mine development, net	2,830.2	2,844.1
Operating lease right-of-use assets	78.6	61.9
Restricted cash and collateral	836.0	957.6
Investments and other assets	82.1	78.8
Total assets	5,728.4	5,962.1
Current liabilities
Current portion of long-term debt	14.4	13.5
Accounts payable and accrued expenses	790.6	965.5
Total current liabilities	805.0	979.0
Long-term debt, less current portion	323.3	320.7
Deferred income taxes	37.2	28.6
Asset retirement obligations, less current portion	649.0	648.6
Accrued postretirement benefit costs	146.3	148.4
Operating lease liabilities, less current portion	61.5	47.7
Other noncurrent liabilities	179.5	181.6
Total liabilities	2,201.8	2,354.6
Stockholders’ equity
Preferred Stock — $0.01 per share par value; 100.0 shares authorized, no shares issued or outstanding as of March 31, 2024 and December 31, 2023	0.0	0.0
Series Common Stock — $0.01 per share par value; 50.0 shares authorized, no shares issued or outstanding as of March 31, 2024 and December 31, 2023	0.0	0.0
Common Stock — $0.01 per share par value; 450.0 shares authorized, 189.0 shares issued and 125.8 shares outstanding as of March 31, 2024 and 188.6 shares issued and 128.7 shares outstanding as of December 31, 2023	1.9	1.9
Additional paid-in capital	3,985.1	3,983.0
Treasury stock, at cost — 63.2 and 59.9 common shares as of March 31, 2024 and December 31, 2023	(1,824.8)	(1,740.2)
Retained earnings	1,142.5	1,112.7
Accumulated other comprehensive income	174.5	189.6
Peabody Energy Corporation stockholders’ equity	3,479.2	3,547.0
Noncontrolling interests	47.4	60.5
Total stockholders’ equity	3,526.6	3,607.5
Total liabilities and stockholders’ equity	$ 5,728.4	$ 5,962.1
Treasury stock, shares (in shares)	63,200,000	59,900,000
Preferred Stock
Stockholders’ equity
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, 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, 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)	189,000,000.0	188,600,000
Common stock, shares outstanding (in shares)	125,800,000	128,700,000