Provision (Benefit) for Income Taxes (Tables)

6 Months Ended

Jun. 30, 2023

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The Provision (benefit) for income taxes from continuing operations includes:

	Three Months Ended  June 30,				Six Months Ended  June 30,
	2023		2022		2023		2022
	(Millions)
Current:
Federal	$	(1)	$	(28)	$	—	$	(27)
State	4		8		4		10
	3		(20)		4		(17)
Deferred:
Federal	149		(10)		386		84
State	23		(15)		69		6
	172		(25)		455		90
Provision (benefit) for income taxes	$	175	$	(45)	$	459	$	73