XML 70 R55.htm IDEA: XBRL DOCUMENT v3.10.0.1
Goodwill and Acquired Intangible Assets (Estimated Future Amortization Expense) (Details)
$ in Millions
Sep. 30, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2018 $ 27
2019 99
2020 98
2021 97
2022 94
2023 and thereafter 736
Total $ 1,151