Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2021

Stockholders' Equity Note [Abstract]

Accumulated Other Comprehensive Income (Loss) [Table Text Block]

AOCI

The following table presents the changes in AOCI by component, net of income taxes:

	Cash Flow Hedges		Foreign Currency Translation		Pension and Other Postretirement Benefits		Total
	(Millions)
Balance at December 31, 2020	$	(3)	$	(1)	$	(92)	$	(96)
Other comprehensive income (loss) before reclassifications	(26)		—		—		(26)
Amounts reclassified from accumulated other comprehensive income (loss)	6		—		6		12
Other comprehensive income (loss)	(20)		—		6		(14)
Balance at June 30, 2021	$	(23)	$	(1)	$	(86)	$	(110)

Reclassifications Out Of Accumulated Other Comprehensive Income [Table Text Block]

Reclassifications out of AOCI are presented in the following table by component for the six months ended June 30, 2021:

Component	Reclassifications		Classification
	(Millions)
Cash flow hedges:
Energy commodity contracts	$	8	Product sales
Pension and other postretirement benefits:
Amortization of actuarial (gain) loss and net actuarial loss from settlements included in net periodic benefit cost (credit)	8		Other income (expense) – net below Operating income (loss)
Income tax benefit	(4)		Provision (benefit) for income taxes
Reclassifications during the period	$	12