Leases - Other Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 30
Leased assets obtained in exchange for new operating lease liabilities	$ 154
Weighted average remaining lease term - operating leases, in years	5 years 6 months
Weighted average discount rate - operating leases	5.00%