Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	May 31, 2012 Clouding IP, LLC f/k/a/ STEC IP, LLC Patent	Sep. 30, 2013 Personalized Media Communications, LLC Patent	Sep. 30, 2013 Personalized Media Communications, LLC CloudFront, S3 and EC2 Patent	May 31, 2012 Minimum Clouding IP, LLC f/k/a/ STEC IP, LLC Patent
Loss Contingencies [Line Items]
Rental expense under operating lease agreements	$ 759	$ 561	$ 381
Pledged or otherwise restricted cash, marketable securities, and certain fixed assets as collateral	$ 482	$ 99
Supplier description	During 2013, no vendor accounted for 10% or more of our purchases.
Number of patents infringed					9	3	1
Number of patents				11