Balance Sheet Components Balance Sheet Components Public Utility Property, Plant, and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Public Utilities, Property, Plant and Equipment, Generation or Processing	$ 4,709	$ 4,649
Public Utilities, Property, Plant and Equipment, Transmission	1,119	1,012
Public Utilities, Property, Plant and Equipment, Distribution	4,813	4,469
Public Utilities, Property, Plant and Equipment, General	973	914
Public Utilities, Property, Plant and Equipment, Intangible	807	794
Public Utilities, Property, Plant and Equipment, Plant in Service	12,421	11,838
Public Utilities, Property, Plant and Equipment, Accumulated Depreciation	4,423	4,146
In service, net	7,998	7,692
Construction work-in-progress	467	313
Public Utilities, Property, Plant and Equipment, Net	$ 8,465	$ 8,005