Investments (Tables)

9 Months Ended

Sep. 30, 2018

Debt Securities, Trading, Gain (Loss) [Abstract]

Schedule of Unrealized Gains and Losses of Equity Securities Without Readily Determinable Fair Values

Unrealized gains and losses of equity securities without readily determinable fair values for the three-month and nine-month periods ended September 30, 2018 were as follows:


	For the three months ended September 30, 2018						For the nine months ended September 30, 2018
	RMB			US$			RMB			US$
	(In millions)
Gross unrealized gains (upward adjustments)		1,059			154			6,463			941
Gross unrealized losses (downward adjustments excluding impairment)		(78	)		(11	)		(2,280	)		(332	)

Schedule of Unrealized Gains and Losses of Equity Securities Without Readily Determinable Fair Values Recognized

Realized and unrealized gains and losses for equity securities without readily determinable fair values recognized for the three-month and nine-month periods ended September 30, 2018 were as follows:


	For the three months ended September 30, 2018				For the nine months ended September 30, 2018
	RMB		US$		RMB		US$
	(In millions)
Net realized gains and losses on equity securities sold		—		—		124		18
Net unrealized gains and losses on equity securities held		981		143		4,183		609

Total net gains recognized in other income		981		143		4,307		627

Schedule of Investments at Amortized Cost and Fair Value

Investments classification as of December 31, 2017 and September 30, 2018 were shown as below:


	As of December 31, 2017
	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 millions)
Short-term investments:
Held-to-maturity debt investments		48,666		47		(18	)		—		—			48,695
Available-for-sale debt investments		40,139							581		(5	)		40,715
Other invested securities:		18,289		—		—			169		(108	)		18,350
Long-term investments:
Available-for-sale equity investments		2,077		—		—			742		(46	)		2,773
Investments accounted for at fair value		307		—		—			14		—			321


	As of September 30, 2018
	Cost or Amortized cost		Gross unrecognized holding gains		Gross unrecognized holding losses		Gross unrealized gains		Gross unrealized loss			Fair value
	RMB		RMB		RMB		RMB		RMB			RMB		US$
	(In millions)
Short-term investments:
Held-to-maturity debt investments		31,939		166		—		—		—			32,105		4,675
Available-for-sale debt investments		55,520		—		—		1,313		(56	)		56,777		8,267
Long-term investments:
Equity investments at fair value with readily determinable fair value		4,808		—		—		1,022		(827	)		5,003		728
Available-for-sale debt investments		2,000		—		—		23		—			2,023		294
Investments accounted for at fair value		977		—		—		302		—			1,279		186