Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Income	$ 5,219	$ 11,300	$ 3,569
Other comprehensive income:
Change in Pension and Retiree Health and Welfare benefits, net of taxes	(127)	112	72
Change in accumulated other comprehensive income (loss) of equity method investees	1	0	(1)
Other comprehensive (loss) income, net of tax	(126)	112	71
Total comprehensive income	$ 5,093	$ 11,412	$ 3,640