Goodwill

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

The following table provides a roll-forward of the goodwill balance:

(In millions)	2017		2016
As of January 1,	$	17,888.2	$	4,147.8
Acquisitions	1,213.8		2,729.5
Foreign currency translation	47.1		4.6
As of March 31,	$	19,149.1	$	6,881.9

The increase in goodwill during the three months ended March 31, 2017 related to the measurement period adjustments of the acquisition of Baxalta. For a more detailed description of measurement period adjustments, refer to Note 2, Business Combinations, to these Unaudited Consolidated Financial Statements.