STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - HOUSTON ELECTRIC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ 1,486	$ (773)	$ 791
Other comprehensive income (loss):
Net deferred loss from cash flow hedges	0	0	(2)
Reclassification of deferred loss from cash flow hedges realized in net income	2	0	1
Net current period other comprehensive income (loss)	26	8	10
Comprehensive income (loss) available to common shareholders	1,417	(941)	684
Houston Electric
Net income (loss)	381	334	356
Other comprehensive income (loss):
Net deferred loss from cash flow hedges	0	0	(1)
Reclassification of deferred loss from cash flow hedges realized in net income	0	15	0
Net current period other comprehensive income (loss)	0	15	(1)
Comprehensive income (loss) available to common shareholders	$ 381	$ 349	$ 355