Generation Separation (Policies)	12 Months Ended
Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operations, Policy [Policy Text Block]	Consolidated Statements of Cash Flows. Transactions between the businesses determined to be discontinued operations and businesses that are expected to continue to exist after the disposal are not eliminated to appropriately reflect the continuing operations and balances held-for-sale. The results of discontinued operations include any gain or loss recognized on closing or adjustment of the carrying amount to fair value. See Note 15 – Discontinued Operations

Disclosure of accounting policy for discontinued operations. Includes, but is not limited to, method of interest allocation to a discontinued operation.

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-Name Accounting Standards Codification
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