Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Income (Loss) Before Income Taxes

Income (loss) before income taxes consists of:

	For the years ended December 31,
	2014			2015		2016			2016
	RMB			RMB		RMB			US$
	(In thousands)
PRC		17,783,174			16,877,599		18,193,808			2,620,453
Non-PRC		(3,298,768	)		21,029,024		(3,684,601	)		(530,693	)
		14,484,406			37,906,623		14,509,207			2,089,760

Components of Income Tax

Income taxes consist of:

	For the years ended December 31,
	2014			2015		2016			2016
	RMB			RMB		RMB			US$
	(In thousands)
Current income tax		2,942,173			3,213,638		3,461,853			498,612
Income tax refund due to reduced tax rate		(17,553	)		—		(534,698	)		(77,013	)
Adjustments of deferred tax assets due to change in tax rates		28,146			79,947		(12,085	)		(1,741	)
Deferred income tax (benefit) expense		(721,594	)		2,180,792		(1,476	)		(213	)
		2,231,172			5,474,377		2,913,594			419,645

Reconciliation of Effective Income Tax Provision of Tax Computed By Applying Statutory Income Tax Rate to Pre-Tax Income

The reconciliation of the actual income taxes to the amount of tax computed by applying the aforementioned statutory income tax rate to pre-tax income is as follows:

	For the years ended December 31,
	2014			2015			2016			2016
	RMB			RMB			RMB			US$
	(In thousands, except for per share data)
Expected taxation at PRC statutory tax rate		3,587,693			9,476,656			3,627,302			522,441
Effect of differing tax rates in different jurisdictions		676,663			(5,253,700	)		735,566			105,944
Non-taxable income		(12,504	)		(65,411	)		(73,226	)		(10,547	)
Non-deductible expenses		123,245			165,264			114,534			16,496
Research and development super-deduction		(538,305	)		(767,858	)		(725,800	)		(104,537	)
Effect of PRC preferential tax rates and tax holiday		(1,897,184	)		(1,547,392	)		(1,851,421	)		(266,660	)
Effect of tax rate changes on deferred taxes		28,146			79,947			(12,085	)		(1,741	)
Over-accrued EIT for previous years		(153,121	)		(248,673	)		(519,631	)		(74,842	)
PRC withholding tax		—			2,470,733			282,838			40,737
Addition to valuation allowance		416,539			1,164,811			1,335,517			192,354
Taxation for the year		2,231,172			5,474,377			2,913,594			419,645
Effective tax rate		15.41	%		14.44	%		20.08	%		20.08	%
Effect of preferential tax rates inside the PRC on basic earnings per Class A and Class B ordinary share		53.61			44.31			53.41			7.69

Tax Effects of Temporary Differences that Gave Rise to Deferred Tax Balances

The tax effects of temporary differences that gave rise to the deferred tax balances at December 31, 2015 and 2016 are as follows:

	As of December 31,
	2015			2016			2016
	RMB			RMB			US$
	(In thousands)
Deferred tax assets:
Provision for doubtful receivables		120,612			137,901			19,862
Accrued expenses, payroll and others		1,745,810			2,715,136			391,061
Fixed assets depreciation		19,659			26,421			3,805
Net operating loss carry-forward		1,320,496			1,727,031			248,744
Less: valuation allowance		(2,198,403	)		(3,506,259	)		(505,006	)
Deferred tax assets, net		1,008,174			1,100,230			158,466

	As of December 31,
	2015		2016		2016
	RMB		RMB		US$
	(In thousands)
Deferred tax liabilities:
Long-lived assets arising from acquisitions		359,531		248,251		35,756
Withholding tax on PRC subsidiaries’ undistributed earnings		592,719		632,859		91,151
Withholding tax on capital gains derived from PRC		2,489,040		2,708,125		390,050
		3,441,290		3,589,235		516,957