Income Taxes (Details 5) $ in Millions	Dec. 31, 2019 USD ($)
Net operating loss (NOL) carryforwards
U.S. foreign tax credits available for carryforward	$ 6
U.S. state taxing jurisdictions
Net operating loss (NOL) carryforwards
NOL carryforwards	114
Gross deferred income tax asset associated with NOL carryforwards	9
NOL carryforwards, Valuation allowance	2
U.S. state taxing jurisdictions | Expiration Date 2020
Net operating loss (NOL) carryforwards
NOL carryforwards	0
U.S. state taxing jurisdictions | Expiration Date 2021
Net operating loss (NOL) carryforwards
NOL carryforwards	5
U.S. state taxing jurisdictions | Expiration Date 2022
Net operating loss (NOL) carryforwards
NOL carryforwards	5
U.S. state taxing jurisdictions | Expiration Date 2023
Net operating loss (NOL) carryforwards
NOL carryforwards	6
U.S. state taxing jurisdictions | Expiration Date 2024-2039
Net operating loss (NOL) carryforwards
NOL carryforwards	93
U.S. state taxing jurisdictions | Unlimited
Net operating loss (NOL) carryforwards
NOL carryforwards	5
Non-U.S. taxing jurisdictions
Net operating loss (NOL) carryforwards
NOL carryforwards	144
NOL carryforwards, Valuation allowance	21
Non-U.S. taxing jurisdictions | Expiration Date 2020
Net operating loss (NOL) carryforwards
NOL carryforwards	0
Non-U.S. taxing jurisdictions | Expiration Date 2021
Net operating loss (NOL) carryforwards
NOL carryforwards	9
Non-U.S. taxing jurisdictions | Expiration Date 2022
Net operating loss (NOL) carryforwards
NOL carryforwards	2
Non-U.S. taxing jurisdictions | Expiration Date 2023
Net operating loss (NOL) carryforwards
NOL carryforwards	6
Non-U.S. taxing jurisdictions | Expiration Date 2024-2034
Net operating loss (NOL) carryforwards
NOL carryforwards	6
Non-U.S. taxing jurisdictions | Unlimited
Net operating loss (NOL) carryforwards
NOL carryforwards	$ 121