Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

EDISON INTERNATIONAL

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

			Additions
(in millions)	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts			Deductions			Balance at End of Period
For the Year ended December 31, 2017
Allowance for uncollectible accounts
Customers	$	41.2	$	12.9	$	—		$	17.5		$	36.6
All others	20.6		13.5		—			16.8			17.3
Total allowance for uncollectible amounts	$	61.8	$	26.4	$	—		$	34.3	a	$	53.9
Tax valuation allowance	$	24.0	$	—	$	4.0	c	$	—		$	28.0
For the Year ended December 31, 2016
Allowance for uncollectible accounts
Customers	$	46.2	$	17.7	$	—		$	22.7		$	41.2
All others	15.5		15.9		—			10.8			20.6
Total allowance for uncollectible amounts	$	61.7	$	33.6	$	—		$	33.5	a	$	61.8
Tax valuation allowance	$	32.0	$	—	$	—		$	8.0	b	$	24.0
For the Year ended December 31, 2015
Allowance for uncollectible accounts
Customers	$	48.9	$	23.9	$	—		$	26.6		$	46.2
All others	23.3		18.0		—			25.8			15.5
Total allowance for uncollectible amounts	$	72.2	$	41.9	$	—		$	52.4	a	$	61.7
Tax valuation allowance	$	29.0	$	3.0	$	—		$	—		$	32.0

^a  Accounts written off, net.

^b  In 2016, Edison International determined that $8 million of the assets subject to a valuation allowance had no expectation of recovery and were written off.

^c  As a result of Tax Reform, Edison International recorded an additional valuation allowance of $4 million for non-California state net operating loss carryforwards estimated to expire unused.

SOUTHERN CALIFORNIA EDISON COMPANY

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

			Additions
(in millions)	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts		Deductions			Balance at End of Period
For the Year ended December 31, 2017
For the Year ended
Customers	$	40.5	$	12.9	$	—	$	17.4		$	36.0
All others	20.6		13.5		—		16.8			17.3
Total allowance for uncollectible accounts	$	61.1	$	26.4	$	—	$	34.2	a	$	53.3
For the Year ended December 31, 2016
Allowance for uncollectible accounts
Customers	$	46.2	$	17.0	$	—	$	22.7		$	40.5
All others	15.5		15.9		—		10.8			20.6
Total allowance for uncollectible accounts	$	61.7	$	32.9	$	—	$	33.5	a	$	61.1
For the Year ended December 31, 2015
Allowance for uncollectible accounts
Customers	$	48.9	$	23.9	$	—	$	26.6		$	46.2
All others	18.7		18.0		—		21.2			15.5
Total allowance for uncollectible accounts	$	67.6	$	41.9	$	—	$	47.8	a	$	61.7

^a  Accounts written off, net.