CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
NET INCOME	$ 118	$ 202	$ 538	$ 594
NET INCOME	165	190	584	565
LOSS (INCOME) ATTRIBUTABLE TO NON-CONTROLLING INTEREST	47	(12)	46	(29)
OTHER COMPREHENSIVE INCOME, NET OF TAXES
Pension and other postretirement benefit plan liability adjustments, net of taxes	2	0	6	5
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAXES	2	0	6	5
COMPREHENSIVE INCOME	167	190	590	570
Subsidiaries
NET INCOME	128	152	593	558
OTHER COMPREHENSIVE INCOME, NET OF TAXES
Pension and other postretirement benefit plan liability adjustments, net of taxes	0	1	0	2
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAXES	0	1	0	2
COMPREHENSIVE INCOME	$ 128	153	$ 593	$ 560
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAXES		$ 1