XML 115 R98.htm IDEA: XBRL DOCUMENT v3.21.1
LEASES - Narrative (Details)
¥ in Millions
12 Months Ended
Dec. 31, 2020
CNY (¥)
contract
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
LEASES      
Sublease Income ¥ 112 ¥ 121 ¥ 123
Negative lease expense recognized under the relief using variable lease expense approach ¥ 250    
Lease expense     ¥ 2,641
Number of lease contracts | contract 31    
Non-cancellable lease contracts not reflected in consolidate balance sheets ¥ 8,511