Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Total operating revenue	$ 11,869	$ 11,524	$ 13,413
Purchased power and fuel	4,527	4,266	5,593
Operation and maintenance	2,868	2,990	3,149
Depreciation, decommissioning and amortization	2,007	1,919	1,720
Property and other taxes	354	336	322
Impairment and other charges	21	5	157
Total operating expenses	9,777	9,516	10,941
Operating income (loss)	2,092	2,008	2,472
Interest and other income	123	174	147
Interest expense	(581)	(555)	(560)
Other expenses	(44)	(59)	(80)
Income from continuing operations before income taxes	1,590	1,568	1,979
Income tax expense	177	486	443
Income from continuing operations	1,413	1,082	1,536
Income from discontinued operations, net of tax	12	35	185
Net income	1,425	1,117	1,721
Preferred and preference stock dividend requirements of utility	123	113	112
Other noncontrolling interests	(9)	(16)	(3)
Net income from continuing operations available to common shareholders	1,311	1,020	1,612
Basic earnings per common share attributable to Edison International common shareholders:
Income from continuing operations, net of tax	1,299	985	1,427
Income from discontinued operations, net of tax	12	35	185
Net income from continuing operations available to common shareholders	$ 1,311	$ 1,020	$ 1,612
Basic earnings per common share attributable to Edison International common shareholders:
Weighted-average shares of common stock outstanding	326	326	326
Continuing operations (in dollars per share)	$ 3.99	$ 3.02	$ 4.38
Discontinued operations (in dollars per share)	0.03	0.11	0.57
Total (in dollars per share)	$ 4.02	$ 3.13	$ 4.95
Diluted earnings per common share attributable to Edison International common shareholders:
Weighted-average shares of common stock outstanding, including effect of dilutive securities	330	329	329
Continuing operations (in dollars per share)	$ 3.94	$ 2.99	$ 4.33
Discontinued operations (in dollars per share)	0.03	0.11	0.56
Total (in dollars per share)	3.97	3.10	4.89
Dividends declared per common share (in dollars per share)	$ 1.9825	$ 1.7325	$ 1.4825
Southern California Edison Company
Total operating revenue	$ 11,830	$ 11,485	$ 13,380
Purchased power and fuel	4,527	4,266	5,593
Operation and maintenance	2,737	2,890	3,057
Depreciation, decommissioning and amortization	1,998	1,915	1,720
Property and other taxes	351	334	318
Impairment and other charges	0	0	163
Total operating expenses	9,613	9,405	10,851
Operating income (loss)	2,217	2,080	2,529
Interest and other income	123	123	122
Interest expense	(541)	(526)	(533)
Other expenses	(44)	(59)	(79)
Income from continuing operations before income taxes	1,755	1,618	2,039
Income tax expense	256	507	474
Net income	1,499	1,111	1,565
Preferred and preference stock dividend requirements of utility	123	113	112
Net income from continuing operations available to common shareholders	1,376	998	1,453
Basic earnings per common share attributable to Edison International common shareholders:
Net income from continuing operations available to common shareholders	$ 1,376	$ 998	$ 1,453