Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income		$ 3,078	$ 4,696	$ 13,304
Other comprehensive income (loss) items:
Gains (losses) on derivatives	[1]	(5)	44	80
Pension and postretirement gains (losses)	[2]	(89)	34	321
Other		(2)	2	2
Other comprehensive income (loss), net of tax		(96)	80	403
Comprehensive income		2,982	4,776	13,707
Less: Comprehensive income attributable to noncontrolling interest		(22)	0	0
Comprehensive income attributable to preferred and common stockholders		$ 2,960	$ 4,776	$ 13,707

[1] Net of tax expense of $(22) in 2022.

[2] Net of tax benefit (expense) of $26, $(10) and $(99) in 2024, 2023 and 2022, respectively. See Note 11 - Retirement and Postretirement Benefit Plans in the Notes to Consolidated Financial Statements in Part II Item 8 of this Form 10-K for additional information.