Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 29, 2012	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Commitments and Contingencies Disclosure [Line Items]
Capital lease agreement period				3 years
Operating lease expense		$ 50	$ 61	$ 101	$ 119
Expiration Date	2014-06-30
Minimum number of days after borrowing to pay additional interest on drawn balances outstanding	180 days
Minimum number of days after entering bridge facility to pay commitment fee on daily undrawn balance	90 days
Bridge Loan
Commitments and Contingencies Disclosure [Line Items]
Credit facility, maximum borrowing capacity	3,000
Interest payable on borrowed amounts	1.00%
Commitment fee payable per annum on daily undrawn balance	0.10%
Interest payable on undrawn outstanding balances	0.25%
Revolving Credit Facility
Commitments and Contingencies Disclosure [Line Items]
Credit facility, maturity period	5 years
Credit facility, maximum borrowing capacity	5,000
Interest payable on borrowed amounts	1.00%
Commitment fee payable per annum on daily undrawn balance	0.10%
Minimum
Commitments and Contingencies Disclosure [Line Items]
Interest Rate		1.00%		1.00%
Expiration date of lease				2012
Maximum
Commitments and Contingencies Disclosure [Line Items]
Interest Rate		13.00%		13.00%
Expiration date of lease				2027
Instagram, Inc.
Commitments and Contingencies Disclosure [Line Items]
Shares of our common stock to acquire Instagram, Inc.		22,999,412		22,999,412
Cash to be paid to acquire Instagram, Inc.		300		300
Contingent termination fee		$ 200		$ 200
Buildings
Commitments and Contingencies Disclosure [Line Items]
Capital lease agreement period				15 years