Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant, and Equipment

SCE's property, plant and equipment included in the consolidated balance sheets is composed of the following:

	December 31,
(in millions)	2019			2018
Distribution	$	26,929		$	25,026
Transmission	14,720			13,800
Generation	3,664			3,598
General plant and other	4,583			4,398
Accumulated depreciation	(9,958		)	(9,566		)
	39,938			37,256
Construction work in progress	4,131			3,883
Nuclear fuel, at amortized cost	129			130
Total utility property, plant and equipment	$	44,198		$	41,269

Schedule of Jointly Owned Utility Projects

The following is SCE's investment in each asset as of December 31, 2019:

(in millions)	Plant in Service		Construction Work in Progress		Accumulated Depreciation		Nuclear Fuel (at amortized cost)		Net Book Value		Ownership Interest
Transmission systems:
Eldorado	$	257	$	94	$	35	$	—	$	316	80	%
Pacific Intertie	248		80		72		—		256		50	%
Generating station:
Palo Verde (nuclear)	2,065		61		1,586		129		669		16	%
Total	$	2,570	$	235	$	1,693	$	129	$	1,241