Changes in Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2021

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

Schedule of changes in accumulated other comprehensive loss

	Translation		Post-Retirement
	Adjustments, Net		Benefits and
	of Tax		Other, Net of Tax		Total
	(in millions)
Balance, December 31, 2020	$	(31)	$	(49)	$	(80)
Other comprehensive loss before reclassifications, net of tax		(1)		—		(1)
Reclassifications from accumulated other comprehensive loss to earnings, net of tax		—		—		—
Other comprehensive loss, net of tax		(1)		—		(1)
Balance, March 31, 2021	$	(32)	$	(49)	$	(81)