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Taxation - Reconciliation of Income Tax Expense (Detail) In Thousands, unless otherwise specified	9 Months Ended			12 Months Ended
	Sep. 30, 2014 USD ($)	Sep. 30, 2014 CNY	Sep. 30, 2013 CNY	Dec. 31, 2013 USD ($)	Dec. 31, 2013 CNY	Dec. 31, 2012 CNY	Dec. 31, 2011 CNY
Income Tax Disclosure [Abstract]
Income from continuing operations before income tax expense	$ 102,358	628,273	416,425	$ 93,902	568,456	303,869	173,794
Income tax expense computed at applicable tax rates (25%)				23,476	142,114	75,967	43,449
Non-deductible expenses				115	697	14,571	7,106
Valuation allowances				349	2,114		(85)
Outside basis difference				2,354	14,254	30,278	7,451
Effect of international tax rate difference				91	551	3,494	474
Interest expense relating to unrecognized tax benefits				349	2,115	685
Effect of preferential tax rate				(8,184)	(49,551)	(34,007)	(20,047)
Income tax expense	$ 21,041	129,150	82,940	$ 18,550	112,294	90,988	38,348

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- Definition

The portion of the difference, between total income tax expense (benefit) as reported in the Income Statement for the period and the expected income tax expense (benefit) computed by applying the unified statutory income tax rates to pretax income from continuing operations, that is attributable to total domestic income tax expense (benefit). The domestic income tax expense (benefit) difference represents the income tax expense (benefit) at applicable unified statutory income tax rates applied to domestic earnings (loss) for the period versus the domestic income tax expense (benefit) calculated by applying the appropriate tax rates, as Autohome WFOE has been recognized as a "High-New Technology Enterprises", and is eligible for a 15% preferential tax rate.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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