XML 129 R95.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Budgeted Construction Expenditures (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Summary of Budgeted Construction Expenditures [Line Items]  
2014 $ 509.0
2015 524.0
2016 489.3
2017 443.1
2018 301.8
Total 2,267.2
Public Service Company of New Mexico [Member]
  
Summary of Budgeted Construction Expenditures [Line Items]  
2014 360.8
2015 433.7
2016 387.3
2017 335.4
2018 181.7
Total 1,698.9
Texas-New Mexico Power Company [Member]
  
Summary of Budgeted Construction Expenditures [Line Items]  
2014 129.9
2015 76.0
2016 87.8
2017 93.9
2018 106.4
Total 494.0
Other Subsidiaries [Member]
  
Summary of Budgeted Construction Expenditures [Line Items]  
2014 18.3
2015 14.3
2016 14.2
2017 13.8
2018 13.7
Total 74.3
San Juan Generating Station [Member] | Public Service Company of New Mexico [Member]
  
Summary of Budgeted Construction Expenditures [Line Items]  
Environmental Upgrades Requirement Estimates 80.0
Budgeted Construction Expenditures Related to Replacement Capacity $ 276.3