Leases - Summary of Supplemental Balance Sheet Information Related to Operating Leases (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Other assets	$ 34	$ 35
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent	us-gaap:OtherAssetsNoncurrent
Accrued liabilities	$ 8	$ 8
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesCurrent	us-gaap:AccruedLiabilitiesCurrent
Other liabilities	$ 27	$ 28
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent
Weighted-average lease term	5 years 9 months 29 days	6 years 3 months 18 days
Weighted-average discount rate	6.23%	6.36%