Note 6 – Employee Benefit Plans

Net periodic benefit cost (credit) is as follows:



	Pension Benefits
	Three months ended June 30,						Six months ended June 30,
	2014			2013			2014			2013
	(Millions)
Components of net periodic benefit cost:
Service cost	$	10		$	11		$	20		$	22
Interest cost	15			13			31			26
Expected return on plan assets	(19		)	(15		)	(38		)	(30		)
Amortization of net actuarial loss	10			15			19			30
Net periodic benefit cost	$	16		$	24		$	32		$	48



	Other Postretirement Benefits
	Three months ended June 30,						Six months ended June 30,
	2014			2013			2014			2013
	(Millions)
Components of net periodic benefit cost (credit):
Service cost	$	—		$	—		$	1		$	1
Interest cost	3			3			5			6
Expected return on plan assets	(3		)	(2		)	(6		)	(4		)
Amortization of prior service credit	(5		)	(2		)	(10		)	(4		)
Amortization of net actuarial loss	—			1			—			3
Reclassification to regulatory liability	1			—			2			—
Net periodic benefit cost (credit)	$	(4	)	$	—		$	(8	)	$	2

Amortization of prior service credit and net actuarial loss included in net periodic benefit cost (credit) for our other postretirement benefit plans associated with Transco and Northwest Pipeline are recorded to regulatory assets/liabilities instead of other comprehensive income (loss).

Amounts recognized in regulatory assets/liabilities include:



	Three months ended June 30,						Six months ended June 30,
	2014			2013			2014			2013
	(Millions)
Amortization of prior service credit	$	(3	)	$	(2	)	$	(6	)	$	(3	)
Amortization of net actuarial loss	—			1			—			2

During the six months ended June 30, 2014, we contributed $31 million to our pension plans and $3 million to our other postretirement benefit plans. We presently anticipate making additional contributions of approximately $32 million to our pension plans and approximately $4 million to our other postretirement benefit plans in the remainder of 2014.