CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 31.0	$ 48.6
Accounts receivable, net	577.9	635.8
Inventory	1,346.2	1,419.9
Other current assets	65.2	97.0
Total current assets	2,020.3	2,201.3
Property, plant and equipment	7,168.9	6,969.2
Accumulated depreciation	(5,237.0)	(5,057.6)
Property, plant and equipment, net	1,931.9	1,911.6
Other non-current assets:
Goodwill and intangible assets	293.4	298.9
Other non-current assets	345.0	103.9
TOTAL ASSETS	4,590.6	4,515.7
Current liabilities:
Accounts payable	705.1	801.0
Accrued liabilities	314.4	288.9
Current portion of pension and other postretirement benefit obligations	41.0	38.7
Total current liabilities	1,060.5	1,128.6
Non-current liabilities:
Long-term debt	1,968.8	1,993.7
Pension and other postretirement benefit obligations	717.8	829.9
Other non-current liabilities	366.2	134.0
TOTAL LIABILITIES	4,113.3	4,086.2
Equity:
Common stock, authorized 450,000,000 shares of $.01 par value each; issued 317,768,621 and 316,595,613 shares in 2019 and 2018; outstanding 316,401,478 and 315,535,765 shares in 2019 and 2018	3.2	3.2
Additional paid-in capital	2,904.2	2,894.9
Treasury stock, common shares at cost, 1,367,143 and 1,059,848 shares in 2019 and 2018	(7.3)	(6.4)
Accumulated deficit	(2,680.6)	(2,691.8)
Accumulated other comprehensive loss	(68.0)	(100.0)
Total stockholders’ equity	151.5	99.9
Noncontrolling interests	325.8	329.6
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	31.0	48.6
TOTAL EQUITY	477.3	429.5
TOTAL LIABILITIES AND EQUITY	4,590.6	4,515.7
SunCoke Middletown [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Inventory	24.1	21.1
Property, plant and equipment	446.1	427.8
Accumulated depreciation	(127.7)	(106.9)
Other non-current assets:
Other assets (liabilities), net	1.5	(1.2)
Current liabilities:
Accounts payable	19.2	13.7
Equity:
Noncontrolling interests	324.9	328.2
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	0.1	1.1
Other Variable Interest Entities [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Property, plant and equipment	11.7	11.7
Accumulated depreciation	(10.0)	(9.8)
Other non-current assets:
Other assets (liabilities), net	0.1	0.5
Equity:
Noncontrolling interests	0.9	1.4
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	$ 0.1	$ 0.5