Construction in progress (Tables)

12 Months Ended

Dec. 31, 2019

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Summary of Construction in Progress

	Advance payment for aircraft and flight equipment			Others			Total
	RMB million			RMB million			RMB million
At January 1, 2018		27,543			2,690			30,233
Additions		19,973			4,486			24,459
Transferred to property, plant and equipment		(13,231	)		(903	)		(14,134	)
Transferred to others		—			(155	)		(155	)
Transferred to lease prepayments		—			(7	)		(7	)
Disposals		(2,605	)		—			(2,605	)
At December 31, 2018		31,680			6,111			37,791
At January 1, 2019		31,680			6,111			37,791
Additions		10,512			5,780			16,292
Transferred to property, plant and equipment (Note 19)		(1,071	)		(2,971	)		(4,042	)
Transferred to right-of-use assets (Note 21)		(10,202	)		(313	)		(10,515	)
Transferred to others		—			(304	)		(304	)
At December 31, 2019		30,919			8,303			39,222