XML 207 R194.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Cash Generated from Operations - Summary of Significant Transactions not Affecting Cash Flows (Detail) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash flows from (used in) operating activities [abstract]      
Reclassification of the current portion of borrowings ₩ 1,731,998 ₩ 1,004,818 ₩ 1,303,543
Reclassification of construction-in-progress to property and equipment 3,123,611 3,167,965 2,916,888
Reclassification of accounts payable from property and equipment (293,448) (7,055) (149,512)
Reclassification of accounts payable from intangible assets (276,491) (197,389) 524,040
Reclassification of payable from defined benefit liabilities 26,246 (32,417) 69,415
Reclassification of payable from plan assets ₩ (24,821) 28,532 ₩ (60,320)
Disposal of treasury stock related to acquisition of financial assets   747,161  
Acquisition of financial assets related to disposal of a subsidiary   ₩ 250,000