Other Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2013

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The components of net periodic benefit costs are as follows:

	Pension Benefits									Other Postretirement Benefits
	For the Years Ended December 31,									For the Years Ended December 31,
	2013			2012			2011			2013			2012			2011
Components of net periodic benefit cost:
Service cost	$	20,865		$	20,466		$	17,457		$	18,680		$	18,817		$	13,677
Interest cost	36,829			37,586			37,744			111,687			135,695			179,739
Expected return on plan assets	(51,814		)	(46,157		)	(38,522		)	—			—			—
Amortization of prior service (credits)	(1,611		)	(1,630		)	(666		)	(30,552		)	(51,828		)	(46,397		)
Recognized net actuarial loss	37,853			47,834			38,102			66,417			80,875			105,364
Curtailment gain	(374		)	—			—			(39,650		)	—			—
Settlement loss (gain)	39,482			—			—			(1,348,129		)	—			—
Net periodic benefit cost (credit)	$	81,230		$	58,099		$	54,115		$	(1,221,547	)	$	183,559		$	252,383

Long term disability [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

CONSOL Energy has a Long-Term Disability Plan available to all eligible full-time salaried employees. The benefits for this plan are based on a percentage of monthly earnings, offset by all other income benefits available to the disabled.

	For the Years Ended
	December 31,
	2013			2012			2011
Benefit (Credit) Cost	$	(687	)	$	6,122		$	6,439
Discount rate assumption used to determine net periodic benefit costs	3.04		%	3.62		%	4.04		%