Dispositions - PAC - Schedule of Assets and Liabilities Held for Sale (Details) - Held-for-Sale - PacifiCorp Assets and Liabilities Disposal $ in Millions	Jun. 30, 2026 USD ($)
Assets held for sale:
Trade receivables, net	$ 109
Property, plant and equipment, net:
Accumulated depreciation and amortization	(465)
Construction work-in-progress	45
Property, plant and equipment, net	1,585
Regulatory assets	143
Other assets	82
Total assets held for sale	2,008
Liabilities held for sale:
Regulatory liabilities	202
Other liabilities	44
Total liabilities held for sale	246
PAC
Assets held for sale:
Trade receivables, net	109
Property, plant and equipment, net:
Generation	861
Transmission	322
Distribution	756
Intangible plant and other	66
Accumulated depreciation and amortization	(465)
Construction work-in-progress	45
Property, plant and equipment, net	1,585
Regulatory assets	143
Other assets	82
Total assets held for sale	1,919
Liabilities held for sale:
Regulatory liabilities	202
Other liabilities	44
Total liabilities held for sale	$ 246

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