XML 33 R28.htm IDEA: XBRL DOCUMENT
v3.19.3

Revenue from Contracts with Customers (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2019
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue [Table Text Block] | The following table disaggregates the Company's revenues from contracts with customers by customer classification. The Company's operating revenues disaggregated by customer classification can be found in "OG&E (Electric Utility) Results of Operations" within "Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations."
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In millions) | 2019 | 2018 |  | 2019 | 2018
Residential | $ | 318.9 |  | $ | 281.0 |  |  | $ | 692.4 |  | $ | 694.6 |
Commercial | 172.9 |  | 150.8 |  |  | 383.7 |  | 386.6 |
Industrial | 66.8 |  | 67.2 |  |  | 172.0 |  | 174.6 |
Oilfield | 58.6 |  | 52.4 |  |  | 156.9 |  | 140.1 |
Public authorities and street light | 65.7 |  | 58.7 |  |  | 150.2 |  | 151.5 |
System sales revenues | 682.9 |  | 610.1 |  |  | 1,555.2 |  | 1,547.4 |
Provision for rate refund | (2.3 | ) | 13.5 |  |  | (2.9 | ) | (6.2 | )
Integrated market | 12.8 |  | 16.9 |  |  | 29.8 |  | 38.7 |
Transmission | 36.7 |  | 33.2 |  |  | 112.6 |  | 109.2 |
Other | 9.1 |  | 10.8 |  |  | 23.0 |  | 21.0 |
Revenues from contracts with customers | $ | 739.2 |  | $ | 684.5 |  |  | $ | 1,717.7 |  | $ | 1,710.1 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration