Intangible Assets Net - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortization expense for intangible assets	$ 97	$ 105	$ 118
Amortization expense in cost of revenue - other	52	70	84
Estimated amortization expense 2014	107
Estimated amortization expense 2015	85
Estimated amortization expense 2016	60
Estimated amortization expense 2017	55
Estimated amortization expense 2018	43
Estimated amortization expense cumulatively thereafter	$ 51
Minimum
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life	1 year
Minimum | Customer, Affiliate And Advertiser Related Relationships
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life	2 years
Minimum | Developed Technology And Patents
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life	1 year
Minimum | Trade Names, Trademarks, And Domain Names
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life	1 year
Maximum
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life	8 years
Maximum | Customer, Affiliate And Advertiser Related Relationships
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life	8 years
Maximum | Developed Technology And Patents
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life	8 years
Maximum | Trade Names, Trademarks, And Domain Names
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Intangible assets useful life	Indefinite life