Income Taxes 2 (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Reserves not yet deducted for tax purposes	$ 36	$ 26
State income taxes	7	5
Foreign exchange loss	42	7
Other	29	0
Gross deferred tax assets	114	38
Deferred tax liabilities:
Investment in foreign subsidiaries	77	105
Gross deferred tax liabilities	77	105
Net deferred tax assets liabilities	$ 37	$ 67