XML 54 R43.htm IDEA: XBRL DOCUMENT v3.19.1
Goodwill, Customer Relationships and Other Intangible Assets - Schedule of Amortization Expense (Details)
$ in Millions
Mar. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2019 (remaining nine months) $ 1,260
2020 1,600
2021 1,158
2022 978
2023 $ 900