Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Cash Equivalents

The cash equivalents were as follows:

	Edison International				SCE
	June 30,		December 31,		June 30,		December 31,
(in millions)	2021		2020		2021		2020
Money market funds	$	47	$	62	$	20	$	38

Cash is temporarily invested until required for check clearing. Checks issued, but not yet paid by the financial institution, are reclassified from cash to accounts payable at the end of each reporting period as follows:

	Edison International				SCE
	June 30,		December 31,		June 30,		December 31,
(in millions)	2021		2020		2021		2020
Book balances reclassified to accounts payable	$	61	$	69	$	61	$	69

Cash, Cash Equivalents and Restricted Cash

	June 30,		December 31,
(in millions)	2021		2020
Edison International:
Cash and cash equivalents	$	84	$	87
Short-term restricted cash1		1		2
Total cash, cash equivalents, and restricted cash	$	85	$	89
SCE:
Cash and cash equivalents	$	51	$	55
Short-term restricted cash1		—		1
Total cash, cash equivalents, and restricted cash	$	51	$	56

1 Reflected in "Other current assets" on Edison International's and SCE's consolidated balance sheets.

Changes in Allowance for Uncollectible Accounts

	Three months ended						Three months ended
	June 30, 2021						June 30, 2020
(in millions)	Customers			All others		Total	Customers			All others		Total
Beginning balance	$	210	$	16	$	226	$	47	$	13	$	60
Plus: current period provision for uncollectible accounts
Included in operation and maintenance expenses		12		3		15		12		5		17
Deferred to regulatory assets		32		—		32		21		—		21
Less: write-offs, net of recoveries		—		3		3		5		3		8
Ending balance	$	254	$	16	$	270	$	75	$	15	$	90

	Six months ended						Six months ended
	June 30, 2021						June 30, 2020
(in millions)	Customers			All others		Total	Customers			All others		Total
Beginning balance	$	175	$	13	$	188	$	35	$	14	$	49
Plus: current period provision for uncollectible accounts
Included in operation and maintenance expenses		18		7		25		28		7		35
Deferred to regulatory assets		66		—		66		21		—		21
Less: write-offs, net of recoveries		5		4		9		9		6		15
Ending balance	$	254	$	16	$	270	$	75	$	15	$	90

EPS Attributable to Edison International Common Shareholders

	Three months ended June 30,				Six months ended June 30,
(in millions, except per-share amounts)	2021		2020		2021		2020
Basic earnings per share:
Net income attributable to common shareholders	$	318	$	318	$	577	$	501
Participating securities dividends		—		—		—		—
Net income available to common shareholders	$	318	$	318	$	577	$	501
Weighted average common shares outstanding		380		375		379		367
Basic earnings per share	$	0.84	$	0.85	$	1.52	$	1.37
Diluted earnings per share:
Net income attributable to common shareholders	$	318	$	318	$	577	$	501
Participating securities dividends		—		—		—		—
Net income available to common shareholders	$	318	$	318	$	577	$	501
Income impact of assumed conversions		—		—		—		—
Net income available to common shareholders and assumed conversions	$	318	$	318	$	577	$	501
Weighted average common shares outstanding		380		375		379		367
Incremental shares from assumed conversions		—		1		1		1
Adjusted weighted average shares – diluted		380		376		380		368
Diluted earnings per share	$	0.84	$	0.85	$	1.52	$	1.36