Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Total operating revenue	$ 3,767	$ 3,763	$ 8,985	$ 9,183
Purchased power and fuel	1,719	1,785	3,576	3,648
Operation and maintenance	740	780	2,090	2,159
Depreciation, decommissioning and amortization	521	506	1,504	1,451
Property and other taxes	92	84	269	255
Impairment and other charges	0	0	21	0
Total operating expenses	3,072	3,155	7,460	7,513
Operating income	695	608	1,525	1,670
Interest and other income	32	32	97	114
Interest expense	(147)	(138)	(431)	(420)
Other expenses	(9)	(15)	(29)	(40)
Income from continuing operations before income taxes	571	487	1,162	1,324
Income tax expense	122	82	113	195
Income from continuing operations	449	405	1,049	1,129
Income (loss) from discontinued operations, net of tax	0	43	(1)	43
Net income	449	448	1,048	1,172
Preferred and preference stock dividend requirements of SCE	31	28	92	84
Other noncontrolling interests	(1)	(1)	(9)	(11)
Net income attributable to Edison International common shareholders	419	421	965	1,099
Amounts attributable to Edison International common shareholders:
Income from continuing operations, net of tax	419	378	966	1,056
Income (loss) from discontinued operations, net of tax	0	43	(1)	43
Net income attributable to Edison International common shareholders	$ 419	$ 421	$ 965	$ 1,099
Basic earnings per common share attributable to Edison International common shareholders:
Weighted average common shares outstanding (in shares)	326	326	326	326
Continuing operations (in dollars per share)	$ 1.29	$ 1.16	$ 2.96	$ 3.24
Discontinued operations (in dollars per share)	0.00	0.13	0.00	0.13
Total (in dollars per share)	$ 1.29	$ 1.29	$ 2.96	$ 3.37
Diluted earnings per common share attributable to Edison International common shareholders:
Weighted-average shares of common stock outstanding, including effect of dilutive securities (in shares)	329	328	329	329
Continuing operations (in dollars per share)	$ 1.27	$ 1.15	$ 2.94	$ 3.21
Discontinued operations (in dollars per share)	0.00	0.13	0.00	0.13
Total (in dollars per share)	1.27	1.28	2.94	3.34
Dividends declared per common share (in dollars per share)	$ 0.4800	$ 0.4175	$ 1.4400	$ 1.2525
Southern California Edison Company
Total operating revenue	$ 3,752	$ 3,757	$ 8,956	$ 9,166
Purchased power and fuel	1,719	1,785	3,576	3,648
Operation and maintenance	702	756	1,993	2,101
Depreciation, decommissioning and amortization	519	506	1,497	1,449
Property and other taxes	91	84	268	254
Total operating expenses	3,031	3,131	7,334	7,452
Operating income	721	626	1,622	1,714
Interest and other income	32	29	97	93
Interest expense	(137)	(131)	(402)	(398)
Other expenses	(9)	(15)	(26)	(39)
Income from continuing operations before income taxes	607	509	1,291	1,370
Income tax expense	141	92	162	207
Net income	466	417	1,129	1,163
Preferred and preference stock dividend requirements of SCE	31	28	92	84
Net income attributable to Edison International common shareholders	435	389	1,037	1,079
Amounts attributable to Edison International common shareholders:
Net income attributable to Edison International common shareholders	$ 435	$ 389	$ 1,037	$ 1,079

Asset impairment and other charges

No definition available.

Name:	eix_AssetImpairmentAndOtherCharges
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The current period expense charged against earnings on long-lived, physical assets used in the normal conduct of business and not intended for resale to allocate or recognize the cost of assets over their useful lives; and to record the reduction in book value of an intangible asset over the benefit period of such asset; and to record the costs of decontaminating and decommissioning of facilities.

+ References

No definition available.