Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Total Worldwide Revenue from Foreign Exchanges

The following table summarizes our estimated total revenue worldwide from indirect foreign exchange trading for the years ended December 31:

(In millions)	Revenue from indirect foreign exchange trading
2008	$	462
2009	369
2010	336
2011	331
2012	248
2013	285
2014	246
2015	$	280