XML 132 R120.htm IDEA: XBRL DOCUMENT v3.22.1
Segment, Geographic and Other Information - Summary of Geographical Areas (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenue      
Total revenue from external customers (Notes 4, 35, 45, 47) ₩ 59,913,607 ₩ 57,925,837 ₩ 58,568,082
Non-current assets [1] 182,318,491 176,505,403 172,110,120
Domestic      
Revenue      
Total revenue from external customers (Notes 4, 35, 45, 47) 58,672,484 56,774,578 56,942,128
Non-current assets [1] 178,745,707 173,673,478 169,366,365
Overseas      
Revenue      
Total revenue from external customers (Notes 4, 35, 45, 47) [2] 1,241,123 1,151,259 1,625,954
Non-current assets [1],[2] ₩ 3,572,784 ₩ 2,831,925 ₩ 2,743,755
[1] The amounts exclude financial assets and deferred tax assets.
[2] Middle East and other Asian countries make up the majority of overseas revenue and non-current assets. Since the overseas revenue or non-current assets attributable to particular countries are not material, they are not disclosed individually.