The major components of other income and other operating expenses consisted of the following in millions of dollars:


	2017		2016		2015
Other income
Revenues from services	$	288	$	270	$	280
Insurance premiums and fees earned**		211		195		173
SiteOne investment gains*		375		75
Investment income		17		16		26
Other		230		190		228
Total	$	1,121	$	746	$	707

Other operating expenses
Depreciation of equipment on operating leases	$	853	$	742	$	577
Insurance claims and expenses**		187		188		183
Cost of services		168		162		160
Other		109		163		41
Total	$	1,317	$	1,255	$	961

* See Note 5.

** Primarily related to extended warranties (see Note 22).