General (Details)	0 Months Ended	1 Months Ended	6 Months Ended			0 Months Ended
	Jan. 17, 2012	Jul. 31, 2011	Jun. 30, 2013 Cokemaking_facility	Jul. 26, 2011	Jul. 18, 2011	Mar. 18, 2013 VISA SunCoke Limited [Member] T
General (Textual) [Abstract]
Number of cokemaking facilities			5
Cokemaking Facility Capacity (in metric tons)						440,000
Common stock held (as a percent)					100.00%
IPO of common stock (in shares)		13,340,000
Ownership of Company (as a percent)				19.10%
Common shares outstanding (in shares)				56,660,000
Percentage of holding ownership (as a percent)				80.90%
Share of common stock received (as a percent)	0.53046456