CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ 4,876	$ (146)
Other comprehensive income items:
Gains on derivatives	[1]	27	1
Pension and postretirement gains	[2]	1	52
Other comprehensive income, net of tax		28	53
Comprehensive income (loss) attributable to preferred and common stockholders		$ 4,904	$ (93)

[1] Net of tax expense of $8 million and zero for the three months ended March 31, 2022 and 2021, respectively.

[2] Net of tax expense of zero and $15 million for the three months ended March 31, 2022 and 2021, respectively.