Defined Benefits (Tables)

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule Of Net Periodic Defined Benefit Costs (Credits)

The table below provides the components of net periodic defined benefit costs for Talen Energy pension plans for the periods ended June 30, for which the 2015 periods include one month of costs under the new Talen Energy pension plan. The net periodic defined benefit costs for Talen Energy's other postretirement benefit plans for the three and six months ended June 30, 2016 and 2015 were insignificant.

	Pension Benefits
	Three Months						Six Months
	2016			2015			2016			2015
Service cost	$	11		$	6		$	21		$	7
Interest cost	18			8			37			10
Expected return on plan assets	(23		)	(11		)	(46		)	(14		)
Amortization of:
Actuarial (gain) loss	5			2			10			3
Net periodic defined benefit costs (credits)	$	11		$	5		$	22		$	6