Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2011	Jun. 30, 2011	Jan. 19, 2012 Class A Common Stock	Jan. 19, 2012 Class B Common Stock
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Trading Symbol	GOOG
Entity Registrant Name	Google Inc.
Entity Central Index Key	0001288776
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Public Float		$ 114,824,568,582
Entity Common Stock, Shares Outstanding			257,960,636	67,175,694