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Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Public Service Company of New Mexico [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

The following tables present the components of the PNM Plans’ net periodic benefit cost:

	Three Months Ended September 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2016				2015				2016				2015				2016				2015
	(In thousands)
Components of Net Periodic Benefit Cost
Service cost	$	—			$	—			$	35			$	51			$	—			$	—
Interest cost	7,577				7,064				1,087				1,022				203				190
Expected return on plan assets	(8,854		)		(9,831		)		(1,371		)		(1,403		)		—				—
Amortization of net (gain) loss	3,455				3,705				286				491				64				81
Amortization of prior service cost	(241		)		(241		)		(7		)		(160		)		—				—
Net periodic benefit cost	$	1,937			$	697			$	30			$	1			$	267			$	271
	Nine Months Ended September 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2016				2015				2016				2015				2016				2015
	(In thousands)
Components of Net Periodic Benefit Cost
Service cost	$	—			$	—			$	105			$	153			$	—			$	—
Interest cost	22,731				21,191				3,260				3,067				609				570
Expected return on plan assets	(26,562		)		(29,492		)		(4,113		)		(4,208		)		—				—
Amortization of net (gain) loss	10,365				11,115				858				1,474				192				243
Amortization of prior service cost	(724		)		(724		)		(22		)		(481		)		—				—
Net periodic benefit cost	$	5,810			$	2,090			$	88			$	5			$	801			$	813

Texas-New Mexico Power Company [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

The following tables present the components of the TNMP Plans’ net periodic benefit cost (income):

	Three Months Ended September 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2016				2015				2016				2015				2016				2015
	(In thousands)
Components of Net Periodic Benefit Cost (Income)
Service cost	$	—			$	—			$	46			$	62			$	—			$	—
Interest cost	826				761				169				152				10				9
Expected return on plan assets	(986		)		(1,105		)		(122		)		(130		)		—				—
Amortization of net (gain) loss	175				195				(10		)		—				1				1
Amortization of prior service cost	—				—				—				—				—				—
Net Periodic Benefit Cost (Income)	$	15			$	(149	)		$	83			$	84			$	11			$	10
	Nine Months Ended September 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2016				2015				2016				2015				2016				2015
	(In thousands)
Components of Net Periodic Benefit Cost (Income)
Service cost	$	—			$	—			$	139			$	185			$	—			$	—
Interest cost	2,478				2,282				508				456				30				27
Expected return on plan assets	(2,957		)		(3,315		)		(367		)		(390		)		—				—
Amortization of net (gain) loss	525				586				(30		)		—				1				3
Amortization of prior service cost	—				—				—				—				—				—
Net Periodic Benefit Cost (Income)	$	46			$	(447	)		$	250			$	251			$	31			$	30

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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