The details of the entity's legal form. Examples are partnership, limited liability company, trust, etc.

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- 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.

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- Definition

Amount of debt for which creditor does not have general recourse to the debtor but rather has recourse only to the property used for collateral in the transaction or other specific property.

+ References

No definition available.

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No definition available.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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- Definition

Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration.

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Commitments and Contingencies - Legal (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Loss Contingencies [Line Items]
Property, plant and equipment, net	$ 73,305	$ 68,087	$ 65,357
Equity method investments	3,947	2,440
PacifiCorp [Member]
Loss Contingencies [Line Items]
Property, plant and equipment, net	$ 20,973	$ 19,570	$ 19,183
Topaz [Member] \| Counterparty Bankruptcy [Member]
Loss Contingencies [Line Items]
Property, Plant and Equipment Disclosure [Text Block]	1
Property, plant and equipment, net	$ 1,000
Non-Recourse Debt	$ 900
Property, Plant and Equipment [Abstract]
Revenue from Contract with Customer [Abstract]	1
Agua Caliente [Member] \| Counterparty Bankruptcy [Member]
Loss Contingencies [Line Items]
Equity method investment, ownership percentage	49.00%
Non-Recourse Debt	$ 800
Equity method investments	$ 73
Property, Plant and Equipment [Abstract]
Revenue from Contract with Customer [Abstract]	1