Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income (loss)	$ (1,681)	$ 77	$ (2,696)	$ 229
Other comprehensive income (loss), net of income taxes	9	1	20	2
Comprehensive income (loss)	(1,672)	78	(2,676)	231
Comprehensive (income) loss attributable to noncontrolling interest	5	(2)	3	(2)
Comprehensive income (loss) attributable to company shareholders	$ (1,667)	$ 76	$ (2,673)	$ 229