XML 56 R45.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Other Intangibles - Future Amortization of Other Intangible Assets (Details)
$ in Millions
Mar. 31, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2018 $ 5
2019 5
2020 5
2021 5
2022 $ 4