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The total amount of regulated operating revenues recognized during the period.

No definition available.

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The amount of regulated gas operating revenues recognized during the period.

No definition available.

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Data Type:	xbrli:monetaryItemType
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The amount of regulated other operating revenues recognized during the period.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

No definition available.

Name:	us-gaap_UnbilledReceivablesCurrent
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Data Type:	xbrli:monetaryItemType
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Amount of other operating expense of regulated operation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(b))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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