7. Goodwill

The changes in the carrying amount of goodwill are as follows (in millions):

Balance at January 1, 2014	$	1,869
Acquisitions		115
Dispositions		(126	)
Balance at September 30, 2014	$	1,858

The increase in goodwill resulted from the Corporation’s first quarter 2014 purchase of WilcoHess, which was subsequently disposed of as part of the sale of the Corporation’s retail business. See Note 2, Discontinued Operations, in the Notes to the Consolidated Financial Statements.