Provision (Benefit) for Income Taxes (Tables)

9 Months Ended

Sep. 30, 2020

Income Tax Disclosure [Abstract]

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

The Provision (benefit) for income taxes includes:

	Three Months Ended  September 30,				Nine Months Ended  September 30,
	2020		2019		2020		2019
	(Millions)
Current:
Federal	$	—	$	(10)	$	(28)	$	(25)
State	—		—		—		—
Foreign	—		1		—		1
	—		(9)		(28)		(24)
Deferred:
Federal	97		73		56		225
State	14		13		(4)		43
	111		86		52		268
Provision (benefit) for income taxes	$	111	$	77	$	24	$	244