Leases - Schedule of Lease Obligations (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019
Operating Leases [Abstract]
Other current liabilities	$ 18	$ 16
Lease liabilities - non current	82	$ 57
Other current liabilities	1
Total lease liabilities	101
Finance Leases [Abstract]
Other Current Liabilities	1
Financial lease non-current liabilities	33
Related party leases	0
Total Lease Payments	$ 34