Income Taxes - Components of the net operating loss carryforwards (Details) $ in Millions	Dec. 31, 2022 USD ($)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 449
20-Year Carryforward Expires in 2025-2037
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	221
Indefinite Carryforward Period
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	228
US Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	230
US Federal | 20-Year Carryforward Expires in 2025-2037
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	221
US Federal | Indefinite Carryforward Period
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	9
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	219
Foreign | 20-Year Carryforward Expires in 2025-2037
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	0
Foreign | Indefinite Carryforward Period
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 219