Allocation of Aggregate Purchase Price of Acquisitions (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012		May 31, 2012	Jun. 30, 2011
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business acquisition, purchase price				$ 686
Kiva Systems, Inc
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Cash paid, net of cash acquired	613			577
Existing equity interest				89
Stock options assumed	65			20
Business acquisition, purchase price	678		678	686
Goodwill	560			553
Intangible assets	193			196
Fixed assets	9			88
Deferred tax assets	34			42
Other assets acquired	41			77
Deferred tax liabilities	(81)			(61)
Debt				(68)
Other liabilities assumed	(78)	[1]		(141)	[1]
Marketing-related | Kiva Systems, Inc
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Intangible assets	5	[2]		120	[2]
Contract-based | Kiva Systems, Inc
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Intangible assets	3	[2]		5	[2]
Technology-based | Kiva Systems, Inc
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Intangible assets	168	[2]
Customer-related | Kiva Systems, Inc
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Intangible assets	$ 17	[2]		$ 71	[2]

[1] In 2011, other liabilities assumed included a $38 million contingent liability related to historic tax exposures.

[2] Acquired intangible assets have estimated useful lives of between 2 and 10 years.