CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Dividends declared per share of common stock (in dollars per share)	$ 0.97	$ 0.90
Southern California Gas Company [Member]
Dividends declared per share of preferred stock (in dollars per share)	0.38	0.38
Series A Preferred Stock [Member]
Dividends declared per share of preferred stock (in dollars per share)	1.5	$ 1.60
Series B Preferred Stock [Member]
Dividends declared per share of preferred stock (in dollars per share)	$ 1.69