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INVESTMENTS - Impairments - CNY (¥) ¥ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Impairments
Carrying value, cost method impairments apply non-recurring fair value measures	¥ 0	¥ 0	¥ 0
Carrying value, equity method impairments apply non-recurring fair value measures	0	0	0
Other income/ (expense)
Impairments
Impairment charges under available-for-sale investments	272	36	0
Impairment charges under equity method investments	64	0	0
Impairment charges under cost method investments	¥ 139	¥ 12	¥ 0

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- Definition

The carrying value for the cost method impairments apply non-recurring fair value measures.

+ References

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- Definition

The carrying value for the equity method impairments apply non-recurring fair value measures.

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- Definition

The amount of impairment charges of available-for-sale securities.

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- Definition

The amount of impairment charges under cost method investments.

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The amount of impairment charges of equity method investments.

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