Changes in Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2020

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

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

	Translation		Post-Retirement
	Adjustments, Net		Benefits and
	of Tax		Other, Net of Tax		Total
	(in millions)
Balance, December 31, 2019	$	(38)	$	(50)	$	(88)
Other comprehensive loss before reclassifications, net of tax		(2)		—		(2)
Reclassifications from accumulated other comprehensive loss to earnings, net of tax		1		—		1
Other comprehensive loss, net of tax		(1)		—		(1)
Balance, June 30, 2020	$	(39)	$	(50)	$	(89)