Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2011

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

Summarized financial information for PNM Gas is as follows:

Results of Operations



	Period from
	January 1 to
	January 30,
	2009
	(In thousands)
Operating revenues	$	65,695
Cost of energy	44,698
Gross margin	20,997
Operating expenses	11,264
Depreciation and amortization	—
Operating income	9,733
Other income (deductions)	292
Net interest charges	(962		)
Gain on disposal	98,425
Segment earnings before income taxes	107,488
Income taxes (benefit)	36,687
Segment Earnings	$	70,801

- Definition

Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.

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