Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 0	$ 0
Interest income (expense)	0	0	$ 0
Income tax penalties expense	0	0	0
Accrued interest and penalties	0	0
Deferred tax liability on undistributed income related to a foreign subsidiary	0
Foreign tax expense (benefit) on income from continuing operations	16,000,000	19,000,000	5,000,000
Income (loss) from continuing foreign operations	45,000,000	43,000,000	22,000,000
Operating loss carryforwards	0
Tax credit carryforward, amount	8,000,000
Operating loss carryforwards, not subject to expiration	46,000,000
Valuation allowance	0	0
Year 2029
Income Tax Contingency [Line Items]
Tax credit carryforward, subject to expiration, amount	4,000,000
Year 2030
Income Tax Contingency [Line Items]
Tax credit carryforward, subject to expiration, amount	4,000,000
Federal Income Taxes
Income Tax Contingency [Line Items]
Related party transaction, amounts of transaction	65,000,000	$ 239,000,000	$ 275,000,000
Foreign Tax Authority
Income Tax Contingency [Line Items]
Operating loss carryforwards	48,000,000
Tax credit carryforward, amount	3,000,000
Operating loss carryforwards, subject to expiration	$ 2,000,000