Schedule of Goodwill (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Payments	Dec. 31, 2012 Payments	Dec. 31, 2013 Financial	Dec. 31, 2011 Financial
Goodwill [Line Items]
Goodwill, beginning balance	$ 4,705	$ 4,706	$ 3,442	$ 3,443	$ 1,263	$ 1,263
Acquired goodwill	519		2		517
Purchase accounting adjustments		(1)		(1)
Foreign currency adjustments and other	(8)				(8)
Goodwill, ending balance	$ 5,216	$ 4,705	$ 3,444	$ 3,442	$ 1,772	$ 1,263