Leases - Schedule of Operating ROU Assets and Lease Liabilities (Details) $ in Millions	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Total lease liabilities	$ 273
Current lease liabilities, accrued expenses and other current liabilities	us-gaap:AccruedLiabilitiesCurrent
Non-current lease liabilities, other liabilities	us-gaap:OtherLiabilitiesNoncurrent
Total lease liabilities	us-gaap:OperatingLeaseLiability
Other assets
Lessee, Lease, Description [Line Items]
ROU assets	$ 232
Accrued expenses and other current liabilities
Lessee, Lease, Description [Line Items]
Current lease liabilities	63
Other liabilities
Lessee, Lease, Description [Line Items]
Non-current lease liabilities	$ 210