XML 29 R13.htm IDEA: XBRL DOCUMENT ﻿
v2.3.0.11

Other Income (Expense) | 6 Months Ended
--- | ---
Jun. 30, 2011
Other Income (Expense) [Abstract] |
Other Income (Expense) | NOTE 8. OTHER INCOME (EXPENSE)
| Quarter Ended | Six Months Ended
| June 30, | June 30,
| 2011 | 2010 | 2011 | 2010
Millions |  |  |  |
AFUDC - Equity | $0.5 | $0.9 | $1.1 | $2.1
Investment and Other Income | 0.5 | 1.3 | 0.7 | 1.1
Total Other Income | $1.0 | $2.2 | $1.8 | $3.2

X
- Details
Name: | us-gaap_OtherIncomeAndExpensesAbstract
Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 3, 6, 7, 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3,6,7,9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock
Namespace Prefix: | us-gaap
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration