Income Taxes - Carryforwards (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Operating Loss Carryforwards [Line Items]
Interest limitation carry forwards	$ 32	$ 21
Federal
Operating Loss Carryforwards [Line Items]
NOL carry forwards	0
Interest limitation carry forwards	40
R&D and state credit carry forwards	1
State
Operating Loss Carryforwards [Line Items]
NOL carry forwards	555
Interest limitation carry forwards	65
R&D and state credit carry forwards	2
Foreign
Operating Loss Carryforwards [Line Items]
NOL carry forwards	264
Interest limitation carry forwards	72
R&D and state credit carry forwards	$ 0