CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Dividends declared per share of common stock (in dollars per share)	$ 0.97	$ 0.89	$ 1.94	$ 1.79
Southern California Gas Company [Member]
Dividends declared per share of preferred stock (in dollars per share)	0.37	0.37	0.75	0.75
Series A Preferred Stock [Member]
Dividends declared per share of preferred stock (in dollars per share)	1.50	$ 1.50	3.00	$ 3.10
Series B Preferred Stock [Member]
Dividends declared per share of preferred stock (in dollars per share)	$ 1.69		$ 3.38