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Pension and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

Public Service Company of New Mexico [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

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

	Three Months Ended June 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2013				2012				2013				2012				2013				2012
	(In thousands)
Components of Net Periodic
Benefit Cost
Service cost	$	—			$	—			$	65			$	54			$	—			$	—
Interest cost	7,035				8,058				1,029				1,324				180				219
Expected return on plan assets	(10,482		)		(10,325		)		(1,261		)		(1,225		)		—				—
Amortization of net (gain) loss	3,710				2,629				1,061				972				58				21
Amortization of prior service cost	19				79				(336		)		(336		)		—				—
Net periodic benefit cost	$	282			$	441			$	558			$	789			$	238			$	240
	Six Months Ended June 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2013				2012				2013				2012				2013				2012
	(In thousands)
Components of Net Periodic
Benefit Cost
Service cost	$	—			$	—			$	130			$	108			$	—			$	—
Interest cost	14,071				16,116				2,057				2,648				360				438
Expected return on plan assets	(20,965		)		(20,650		)		(2,522		)		(2,450		)		—				—
Amortization of net (gain) loss	7,420				5,258				2,121				1,944				116				42
Amortization of prior service cost	38				158				(672		)		(672		)		—				—
Net periodic benefit cost	$	564			$	882			$	1,114			$	1,578			$	476			$	480

Texas-New Mexico Power Company [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

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

	Three Months Ended June 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2013				2012				2013				2012				2013				2012
	(In thousands)
Components of Net Periodic
Benefit Cost (Income)
Service cost	$	—			$	—			$	75			$	61			$	—			$	—
Interest cost	772				909				141				156				9				11
Expected return on plan assets	(1,212		)		(1,331		)		(126		)		(129		)		—				—
Amortization of net (gain) loss	262				115				—				(52		)		—				—
Amortization of prior service cost	—				—				14				14				—				—
Net Periodic Benefit Cost (Income)	$	(178	)		$	(307	)		$	104			$	50			$	9			$	11
	Six Months Ended June 30,
	Pension Plan								OPEB Plan								Executive Retirement Program
	2013				2012				2013				2012				2013				2012
	(In thousands)
Components of Net Periodic
Benefit Cost (Income)
Service cost	$	—			$	—			$	150			$	122			$	—			$	—
Interest cost	1,544				1,818				283				312				18				22
Expected return on plan assets	(2,425		)		(2,662		)		(252		)		(258		)		—				—
Amortization of net (gain) loss	524				230				—				(104		)		—				—
Amortization of prior service cost	—				—				28				28				—				—
Net Periodic Benefit Cost (Income)	$	(357	)		$	(614	)		$	209			$	100			$	18			$	22

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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=21915506&loc=d3e1928-114920

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