Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details)

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Goodwill and Other Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details)
$ in Millions
Dec. 31, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2019 $ 318
2020 240
2021 166
2022 78
2023 $ 76