Income Tax (Tax Credit Carryforwards) (Details) $ in Millions	Dec. 31, 2024 USD ($)
Foreign Tax Jurisdiction
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 162
Foreign Tax Jurisdiction | 2027-2031
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	121
Foreign Tax Jurisdiction | 2032-2036
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	41
Foreign Tax Jurisdiction | 2037-2041
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
Foreign Tax Jurisdiction | 2042-2044
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
Foreign Tax Jurisdiction | Indefinite
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
General business tax credit carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	26
General business tax credit carryforward | 2027-2031
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
General business tax credit carryforward | 2032-2036
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	12
General business tax credit carryforward | 2037-2041
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	13
General business tax credit carryforward | 2042-2044
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	1
General business tax credit carryforward | Indefinite
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 0