CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016		Jun. 30, 2017	Jun. 30, 2016
REVENUES
Utilities	$ 2,197	$ 1,994	[1]	$ 4,895	$ 4,436	[1]
Energy-related businesses	336	162	[1]	669	342	[1]
Total revenues	2,533	2,156	[1]	5,564	4,778	[1]
Utilities:
Cost of electric fuel and purchased power	(553)	(561)	[1]	(1,080)	(1,076)	[1]
Cost of natural gas	(228)	(183)	[1]	(713)	(494)	[1]
Energy-related businesses:
Cost of natural gas, electric fuel and purchased power	(62)	(62)	[1]	(129)	(118)	[1]
Other cost of sales	38	(226)	[1]	16	(261)	[1]
Operation and maintenance	(731)	(706)	[1]	(1,445)	(1,406)	[1]
Depreciation and amortization	(368)	(314)	[1]	(728)	(642)	[1],[2]
Franchise fees and other taxes	(101)	(96)	[1]	(211)	(207)	[1]
Impairment losses	(71)	(21)	[1]	(71)	(22)	[1],[2]
Equity earnings (losses), before income tax	18	14	[1]	21	(8)	[1]
Operating expenses
Impairment losses	71	21	[1]	71	22	[1],[2]
Other income, net	91	23	[1]	260	72	[1]
Interest income	8	6	[1]	14	12	[1]
Interest expense	(159)	(142)	[1]	(328)	(285)	[1]
Income (loss) before income taxes and equity earnings (losses) of certain unconsolidated subsidiaries	415	(112)	[1]	1,170	343	[1]
Income tax (expense) benefit	(167)	106	[1]	(462)	(2)	[1]
Equity earnings (losses), net of income tax	0	33	[1]	(8)	50	[1]
Net income	248	27	[1]	700	391	[1],[2]
(Earnings) losses attributable to noncontrolling interest	12	(10)	[1]	1	(21)	[1]
Preferred dividends of subsidiary	(1)	(1)	[1]	(1)	(1)	[1]
Earnings / Net Income	$ 259	$ 16	[1]	$ 700	$ 369	[1]
Basic earnings per common share (in dollars per share)	$ 1.03	$ 0.06	[1]	$ 2.79	$ 1.48	[1]
Weighted-average number of shares outstanding, basic	251,447	250,096	[1]	251,290	249,915	[1]
Diluted earnings per common share (in dollars per share)	$ 1.03	$ 0.06	[1]	$ 2.77	$ 1.47	[1]
Weighted-average number of shares outstanding, diluted	252,822	252,036	[1]	252,609	251,775	[1]
Dividends declared per share of common stock (in dollars per share)	$ 0.83	$ 0.75	[1]	$ 1.65	$ 1.51	[1]
San Diego Gas and Electric Company [Member]
Operating revenues
Electric	$ 946	$ 897		$ 1,821	$ 1,740	[1]
Natural gas	112	95		294	243	[1]
Total operating revenues	1,058	992		2,115	1,983	[1]
Operating expenses
Cost of electric fuel and purchased power	316	314		577	562	[1]
Cost of natural gas	38	25		103	64	[1]
Operation and maintenance	237	266		464	512	[1]
Depreciation and amortization	166	158		329	317	[1]
Franchise fees and other taxes	60	59		123	122	[1]
Total operating expenses	817	822		1,596	1,577	[1]
Operating income	241	170		519	406	[1]
Other income, net	15	13		33	27	[1]
Interest expense	(49)	(48)		(98)	(96)	[1]
Income (loss) before income taxes and equity earnings (losses) of certain unconsolidated subsidiaries	207	135		454	337	[1]
Income tax (expense) benefit	(54)	(48)		(144)	(113)	[1]
Net income	153	87		310	224	[1]
(Earnings) losses attributable to noncontrolling interest	(4)	13		(6)	12	[1]
Earnings (losses) attributable to common shares	149	100		304	236	[1]
Southern California Gas Company [Member]
Operating revenues
Total operating revenues	770	617		2,011	1,650	[1]
Energy-related businesses:
Impairment losses	0	(21)		0	(22)	[1]
Operating expenses
Cost of natural gas	179	147		587	400	[1]
Operation and maintenance	336	318		689	644	[1]
Depreciation and amortization	126	112		252	234	[1],[2]
Franchise fees and other taxes	34	30		73	67	[1]
Impairment losses	0	21		0	22	[1]
Total operating expenses	675	628		1,601	1,367	[1]
Operating income	95	(11)		410	283	[1]
Other income, net	9	6		20	16	[1]
Interest expense	(26)	(24)		(51)	(46)	[1]
Income (loss) before income taxes and equity earnings (losses) of certain unconsolidated subsidiaries	78	(29)		379	253	[1]
Income tax (expense) benefit	(19)	29		(117)	(54)	[1]
Net income	59	0		262	199	[2]
Dividends, Preferred Stock	1	1		1	1
Earnings (losses) attributable to common shares	$ 58	$ (1)		$ 261	$ 198	[1],[2]

[1] As adjusted for the adoption of ASU 2016-09 as of January 1, 2016.

[2] As adjusted for the adoption of ASU 2016-09 as of January 1, 2016.