Income Taxes 2 (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Reserves not yet deducted for tax purposes	$ 29	$ 36
State income taxes	9	7
Foreign exchange loss	32	42
Other	25	29
Gross deferred tax assets	95	114
Deferred tax liabilities:
Investment in foreign subsidiaries	74	77
Gross deferred tax liabilities	74	77
Net deferred tax assets	$ 21	$ 37