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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Commitments and Contingencies - Legal (Details) a in Millions, $ in Millions	1 Months Ended	4 Months Ended
	Sep. 30, 2020 a naturalGasProducer	Dec. 31, 2020 USD ($) naturalGasProducer	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Loss Contingencies [Line Items]
Property, plant and equipment, net		$ 86,128	$ 73,305	$ 68,087
Equity method investments		7,067	3,947
PacifiCorp [Member]
Loss Contingencies [Line Items]
Property, plant and equipment, net		22,430	$ 20,973	$ 19,570
PacifiCorp [Member] \| 2020 Wildfires
Loss Contingencies [Line Items]
Number of Acres Burned \| a	0.5
Number of Structures Destroyed \| naturalGasProducer	2,000
Loss Contingency, Estimate of Possible Loss		136
Fire Suppression Costs		$ 150
PacifiCorp [Member] \| 2020 Wildfires \| Pending Litigation
Loss Contingencies [Line Items]
Number of Pending Lawsuits \| naturalGasProducer		5