Non-Interest Revenue and Expense Detail (Tables)

12 Months Ended

Dec. 31, 2017

The following is a detail of Other fees and commissions for the years ended December 31:

(Millions)		2017		2016		2015
Delinquency fees		$	888	$	762	$	788
Foreign currency conversion fee revenue			851		809		852
Loyalty coalition-related fees			453		410		379
Travel commissions and fees			354		338		349
Service fees			309		291		361
Other^(a)			167		143		137
	Total Other fees and commissions	$	3,022	$	2,753	$	2,866

Other primarily includes fees related to Membership Rewards programs.

(Millions)		2016		2015		2014
Foreign currency conversion fee revenue		$	-	$	852	$	877
Delinquency fees			-		788		722
Loyalty coalition-related fees			-		379		383
Travel commissions and fees			-		349		1,118
Service fees			-		361		366
Other^(a)			-		137		160
	Total Other fees and commissions	$	-	$	2,866	$	3,626

Details of other revenues

The following is a detail of Other revenues for the years ended December 31:

(Millions)		2017		2016		2015
Global Network Services partner revenues		$	615	$	654	$	640
Other^(a)			1,117		1,375		1,393
	Total Other revenues	$	1,732	$	2,029	$	2,033

Other includes revenues arising from net revenue earned on cross-border Card Member spending, insurance premiums earned from Card Member travel and other insurance programs, merchant-related fees, Prepaid card and Travelers Cheque-related revenues, revenues related to the GBT JV transition services agreement, earnings from equity method investments (including the GBT JV) and other miscellaneous revenue and fees.

Detail of other, net expense

The following is a detail of Other expenses for the years ended December 31:

(Millions)		2017		2016		2015
Professional services		$	2,070	$	2,583	$	2,750
Occupancy and equipment			2,019		1,838		1,854
Communications			276		302		345
Gain on sale of HFS portfolios^(a)			―		(1,218)		―
Other^(b)			1,411		1,657		1,844
	Total Other expenses	$	5,776	$	5,162	$	6,793

Refer to Note 2 for additional information.
Other expense primarily includes general operating expenses, goodwill and technology impairment costs (refer to Note 2), Card and merchant-related fraud losses, foreign currency-related gains and losses (including the favorable impact from the reassessment of the functional currency of certain UK legal entities in the year ended December 31, 2015) and insurance costs. In addition, beginning December 1, 2015 through to the portfolio sale completion dates, included the valuation allowance adjustment associated with the HFS portfolios.