XML 25 R35.htm IDEA: XBRL DOCUMENT  v2.3.0.11

Significant Accounting Policies and Responsibility for Financial Statements (Details) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended		1 Months Ended						6 Months Ended			3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jul. 31, 2011 Public Service Company of New Mexico [Member] Affiliated Entity [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] Affiliated Entity [Member]	Apr. 30, 2011 Public Service Company of New Mexico [Member] Affiliated Entity [Member]	Mar. 31, 2011 Public Service Company of New Mexico [Member] Affiliated Entity [Member]	Jan. 31, 2011 Public Service Company of New Mexico [Member] Affiliated Entity [Member]	Dec. 31, 2010 Public Service Company of New Mexico [Member] Affiliated Entity [Member]	Jun. 30, 2010 Public Service Company of New Mexico [Member] Affiliated Entity [Member]	Jun. 30, 2011 Texas-New Mexico Power Company [Member] Affiliated Entity [Member]	Jun. 30, 2010 Texas-New Mexico Power Company [Member] Affiliated Entity [Member]	Jun. 30, 2011 PNM Resources [Member]	Jun. 30, 2010 PNM Resources [Member]
Dividends Declared per Common Share (dollars per share)	$ 0.125	$ 0.125	$ 0.250	$ 0.250										$ 0.125	$ 0.125
Common Stock Dividends Declared											$ 0
Payments of Dividends, Common Stock					3.6		4.6		39.1			7.1	1.6
Dividends, Common Stock						$ 3.6		$ 4.6		$ 39.1		$ 7.1	$ 1.6

X

- Definition

Common Stock Dividends Declared

+ Details

Name:	pnm_CommonStockDividendsDeclared
Namespace Prefix:	pnm
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for common shareholders during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

+ Details

Name:	us-gaap_DividendsCommonStock
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The cash outflow from the distribution of an entity's earnings in the form of dividends to common shareholders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 20
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration