Total Purchase Consideration, Paid with Cash on Hand (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	Jul. 21, 2011	Mar. 02, 2011 Pay Span Inc	Mar. 02, 2011 Pay Span Inc Potential Purchase Consideration		Mar. 02, 2011 Pay Span Inc Accounting Purchase Consideration		Jul. 21, 2011 CyberSource Corporation Acquisition
Earn-out provision	$ 0		$ (40,000,000)	[1]
Fair value of earn-put provision					24,000,000
Acquisition of approximately 72 million shares of outstanding common stock of CyberSource at $26.00 per share			180,000,000				1,866,000,000
Fair value of earned stock options settled			(5,000,000)	[2]			(86,000,000)
Net assets acquired		204,000,000	225,000,000		204,000,000		1,952,000,000
Acquisition of shares of outstanding common stock of Cybersource, shares	72
Acquisition of shares of outstanding common stock of Cybersoure, shares	$ 26.00
Less: Employee compensation					12,000,000	[3]
Valuation adjustment					$ 4,000,000	[4]

[1] The acquisition agreement includes a potential earn-out provision of up to $40 million, should PlaySpan achieve certain revenue targets and other milestones.

[2] The Company issued non-qualified stock options to replace unvested, in-the-money stock options held by PlaySpan employees. See Note 17—Share-based Compensation.

[3] The amount reflects personnel expense related to the earn-out provision incurred during the performance period.

[4] The assum