Components of the net periodic benefit costs for the three and six months ended June 30, 2014 and 2013 were as follows:



Pension Plans	Southern Company			Alabama Power			Georgia Power			Gulf Power			Mississippi Power
	(in millions)
Three Months Ended June 30, 2014
Service cost	$	54		$	12		$	15		$	1		$	2
Interest cost	108			26			38			5			5
Expected return on plan assets	(162		)	(42		)	(56		)	(7		)	(7		)
Amortization:
Prior service costs	7			2			2			1			1
Net (gain)/loss	27			8			10			1			1
Net cost	$	34		$	6		$	9		$	1		$	2
Six Months Ended June 30, 2014
Service cost	$	107		$	24		$	31		$	4		$	5
Interest cost	217			52			76			10			10
Expected return on plan assets	(323		)	(84		)	(113		)	(14		)	(14		)
Amortization:
Prior service costs	13			3			5			1			1
Net (gain)/loss	55			16			20			2			2
Net cost	$	69		$	11		$	19		$	3		$	4
Three Months Ended June 30, 2013
Service cost	$	58		$	14		$	18		$	2		$	2
Interest cost	97			23			35			5			4
Expected return on plan assets	(150		)	(39		)	(53		)	(7		)	(6		)
Amortization:
Prior service costs	6			1			2			1			—
Net (gain)/loss	50			13			18			2			3
Net cost	$	61		$	12		$	20		$	3		$	3
Six Months Ended June 30, 2013
Service cost	$	116		$	27		$	35		$	5		$	5
Interest cost	194			46			69			9			9
Expected return on plan assets	(301		)	(78		)	(106		)	(13		)	(13		)
Amortization:
Prior service costs	13			3			5			1			—
Net (gain)/loss	100			26			37			4			5
Net cost	$	122		$	24		$	40		$	6		$	6



Postretirement Benefits	Southern Company			Alabama Power			Georgia Power			Gulf Power			Mississippi Power
	(in millions)
Three Months Ended June 30, 2014
Service cost	$	6		$	2		$	1		$	1		$	1
Interest cost	20			5			9			1			1
Expected return on plan assets	(15		)	(7		)	(7		)	(1		)	(1		)
Amortization:
Prior service costs	1			1			—			—			—
Net (gain)/loss	—			—			1			—			—
Net cost	$	12		$	1		$	4		$	1		$	1
Six Months Ended June 30, 2014
Service cost	$	11		$	3		$	3		$	1		$	1
Interest cost	40			10			17			2			2
Expected return on plan assets	(30		)	(13		)	(13		)	(1		)	(1		)
Amortization:
Prior service costs	2			2			—			—			—
Net (gain)/loss	1			—			1			—			—
Net cost	$	24		$	2		$	8		$	2		$	2
Three Months Ended June 30, 2013
Service cost	$	6		$	1		$	1		$	1		$	1
Interest cost	18			4			8			—			1
Expected return on plan assets	(14		)	(6		)	(6		)	—			(1		)
Amortization:
Transition obligation	1			—			1			—			—
Prior service costs	1			1			—			—			—
Net (gain)/loss	3			1			2			—			—
Net cost	$	15		$	1		$	6		$	1		$	1
Six Months Ended June 30, 2013
Service cost	$	12		$	3		$	3		$	1		$	1
Interest cost	37			9			16			1			2
Expected return on plan assets	(28		)	(12		)	(12		)	—			(1		)
Amortization:
Transition obligation	2			—			2			—			—
Prior service costs	2			2			—			—			—
Net (gain)/loss	6			1			4			—			—
Net cost	$	31		$	3		$	13		$	2		$	2