XML 55 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Income Tax [Abstract]        
Effective income tax rate reconciliation, percent 27.40% 11.80% 23.20% 11.40%
Transition tax associated with Tax Cuts and Jobs Act     $ 57