Retirement Plans - Schedule of Changes in Benefit Obligations and Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Change in Plan Assets
Net actuarial loss (gain)	$ 2	$ 0
Pension Plans, Defined Benefit
Change in Benefit Obligation
Benefit obligation at beginning of year	76	74
Service cost	4	5	$ 5
Interest cost	1	2	1
Actuarial (gain) loss	6	(2)
Benefits paid	(2)	(2)
Settlement	0	(3)
Other	0	4
Translation difference	1	(2)
Held for sale	(32)	0
Benefit obligation at end of year	54	76	74
Change in Plan Assets
Fair value of plan assets at beginning of year	54	60
Actual return on plan assets	6	(2)
Company contributions	2	4
Benefits paid	(2)	(2)
Settlements	0	(3)
Other	0	(1)
Translation difference	1	(2)
Held for sale	(24)	0
Fair value of plan assets at year end	37	54	$ 60
Funded status recognized in the balance sheet	$ (17)	$ (22)