Investments (Tables)

12 Months Ended

Dec. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Equity Method Investments

The following tables set forth the summarized financial information of Ctrip:

	As of September 30,*
	2015		2016		2016
	RMB		RMB		US$
	(In thousands)
Current assets		25,750,458		52,222,057		7,521,541
Non-current assets		23,500,517		83,336,195		12,002,909
Current liabilities		18,873,779		33,173,779		4,778,018
Non-current liabilities		17,492,002		31,127,826		4,483,339
Noncontrolling interests		1,063,306		3,678,212		529,773

	For the twelve months ended September 30,*
	2014		2015			2016			2016
	RMB		RMB			RMB			US$
	(In thousands)
Total revenues		7,280,123		10,484,967			17,641,715			2,540,935
Gross profit		4,962,670		7,072,995			12,668,586			1,824,656
Income (loss) from operations		433,052		(115,056	)		(1,680,672	)		(242,067	)
Net income		625,520		2,052,526			(2,176,932	)		(313,543	)
Net income attributable to the investees		728,644		2,207,503			(2,000,291	)		(288,102	)

* The Company adopted one-quarter lag in reporting its share of equity income in Ctrip

Schedule of Investments at Amortized Cost and Fair Value

The short-term held-to-maturity debt investments as well as the short-term available-for-sale investments will mature within one year; whereas the long-term held-to-maturity debt investments as well as the long-term available-for-sale debt investments will mature after one year through two years.

	As of December 31, 2015
	Cost or Amortized cost		Gross unrecognized holding gains		Gross unrecognized holding losses			Gross unrealized gains		Gross unrealized losses			Fair value
	RMB		RMB		RMB			RMB		RMB			RMB
	(In thousands)
Short-term investments
Held-to-maturity investments
Fixed-rate investments		36,942,840		197,848		(6,592	)							37,134,096
Available-for-sale investments
Fixed-rate debt investments		6,872,077							86,322					6,958,399
Adjustable-rate debt investments		13,137,500							187,885					13,325,385
Equity investments		600,543							142,075					742,618
Long-term investments:
Held-to-maturity investments
Fixed-rate investments		1,838,953				(32,507	)							1,806,446
Available-for-sale  investments
Equity investments		322,269									(45,304	)		276,965

	As of December 31, 2016
	Cost or Amortized cost		Gross unrecognized holding gains		Gross unrecognized holding losses			Gross unrealized gains		Gross unrealized losses			Fair value		Fair value
	RMB		RMB		RMB			RMB		RMB			RMB		US$
	(In thousands)
Short-term investments
Held-to-maturity investments
Fixed-rate investments		41,802,170		70,018		(3,547	)							41,868,641		6,030,339
Available-for-sale investments
Fixed-rate debt investments		14,352,711							31,197		(6,052	)		14,377,856		2,070,842
Adjustable-rate debt investments		14,673,620							313,196					14,986,816		2,158,550
Equity investments		32,899									(4,112	)		28,787		4,146
Trading securities		7,685,697							61,739					7,747,436		1,115,863
Long-term investments:
Available-for-sale investments
Equity investments		527,596									(31,084	)		496,512		71,513