Income Taxes 2 (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Reserves not yet deducted for tax purposes	$ 26	$ 29
State income taxes	10	9
Foreign exchange loss	41	32
Deferred tax attributes	110	15
Other	11	10
Gross deferred tax assets	198	95
Deferred tax liabilities:
Investment in foreign subsidiaries	83	74
Gross deferred tax liabilities	83	74
Net deferred tax assets	$ 115	$ 21