Leases - Supplemental Balance Sheet Information (Details) $ in Millions	Dec. 31, 2019 USD ($)
ROU assets
Other assets	$ 65
Lease liabilities
Accounts payable and accrued liabilities (current)	25
Other long-term liabilities (non-current)	48
Total operating lease liabilities	73
ROU assets
Property, equipment, and capitalized software, net	228
Lease liabilities
Accounts payable and accrued liabilities (current)	8
Finance lease liabilities (non-current)	231
Total finance lease liabilities	$ 239