Income Taxes - Summary of Operating Loss Carryforwards (Details) $ in Millions	Dec. 31, 2023 USD ($)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 10,657
Deferred income taxes on net operating loss carryforwards	730
Tax credits	44
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	119
Deferred income taxes on net operating loss carryforwards	25
Tax credits	15
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	9,850
Deferred income taxes on net operating loss carryforwards	547
Tax credits	29
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	688
Deferred income taxes on net operating loss carryforwards	158
Tax credits	$ 0