Goodwill (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The table below details changes in the goodwill balance:

$ in millions	Net Book Value
January 1, 2020	8,509.4
Business combinations	288.1
Foreign exchange and other	(253.4	)
March 31, 2020	8,544.1
January 1, 2019	7,157.1
Business combinations	1,229.1
Foreign exchange and other	123.2
December 31, 2019	8,509.4