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v3.26.1

Operating Segments - Reconciliation of Segment Revenues, Profit or Loss, Assets and Liabilities and Other Significant Items (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenue |  | ₩ 68,986,938 |  | ₩ 73,459,408 |  | ₩ 77,056,549 |
Profit before income taxes |  | 1,139,158 |  | 1,326,230 |  | 2,635,426 |
Assets |  | 105,287,678 |  | 103,443,735 |  |  |
Liabilities |  | 42,894,966 |  | 42,000,967 |  |  |
Interest income |  | 533,307 |  | 576,782 |  | 502,147 |
Interest expenses |  | (1,091,462) |  | (1,051,511) |  | (1,001,290) |
Depreciation and amortization |  | (4,159,223) |  | (3,984,460) |  | (3,823,280) |
Share of profit of equity-accounted investees, net |  | 349,910 |  | (256,458) |  | 269,678 |
Income tax expense |  | (612,135) |  | (320,954) |  | (789,367) |
Impairment loss on property, plant and equipment and others |  | (194,984) |  | (673,755) |  | (405,753) |
Other significant items |  | (5,174,587) |  | (5,710,356) |  | (5,247,865) |
Goodwill and corporate FV adjustments [member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Profit before income taxes |  | (65,966) |  | (64,791) |  | 172,493 |
Assets |  | 2,943,006 |  | 2,543,165 |  |  |
Interest expenses |  | 0 |  | 0 |  | 0 |
Depreciation and amortization |  | (80,920) |  | (86,358) |  | (99,347) |
Share of profit of equity-accounted investees, net |  | 0 |  | (50) |  |  |
Income tax expense |  | 14,954 |  | 21,668 |  | 46,116 |
Impairment loss on property, plant and equipment and others |  | 0 |  | (282) |  |  |
Other significant items |  | (65,966) |  | (65,022) |  | (53,231) |
Income tax expense [member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Profit before income taxes |  | 602,446 |  | 303,623 |  | 789,305 |
Corporate FV adjustments [member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Liabilities |  | 211,742 |  | 221,537 |  |  |
Basis difference [member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenue | [1] | (107,948) |  | 771,265 |  | (70,648) |
Profit before income taxes | [1] | 32,308 |  | 75,027 |  | 272 |
Assets | [2] | 95,240 |  | 39,536 |  |  |
Liabilities | [1] | 80,219 |  | 47,136 |  |  |
Income tax expense |  | (9,689) | [2] | (17,331) | [1] | (62) | [2]
Other significant items |  | (9,689) | [2] | (17,331) | [1] | (62) | [2]
Total Assets [Member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Assets |  | 105,287,678 |  | 103,443,735 |  |  |
Total Liabilities [Member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Liabilities |  | 42,894,966 |  | 42,000,967 |  |  |
Reportable segments [member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenue |  | 117,240,806 |  | 125,013,953 |  | 127,080,006 |
Profit before income taxes |  | 1,124,885 |  | 2,099,066 |  | 2,911,247 |
Assets | [3] | 170,842,653 |  | 165,497,714 |  |  |
Liabilities | [3] | 54,801,990 |  | 53,072,062 |  |  |
Interest income |  | 653,047 |  | 662,099 |  | 577,336 |
Interest expenses |  | (1,305,023) |  | (1,285,679) |  | (1,180,096) |
Depreciation and amortization |  | (4,261,180) |  | (4,058,664) |  | (3,845,492) |
Share of profit of equity-accounted investees, net |  | (340,764) |  | (1,137,480) |  | (383,220) |
Income tax expense |  | (657,907) |  | (294,895) |  | (842,059) |
Impairment loss on property, plant and equipment and others |  | (205,536) |  | (660,275) |  | (409,552) |
Other significant items |  | (6,117,363) |  | (6,774,894) |  | (6,083,083) |
Equity-accounted investees [member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Assets |  | (54,163,800) |  | (50,775,491) |  |  |
Elimination of inter-segment amounts [member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenue |  | (48,145,920) |  | (52,325,810) |  | (49,952,809) |
Profit before income taxes |  | (554,515) |  | (1,086,695) |  | (1,237,891) |
Assets |  | (14,429,421) |  | (13,861,189) |  |  |
Liabilities |  | (12,198,985) |  | (11,339,768) |  |  |
Interest income |  | (119,740) |  | (85,317) |  | (75,189) |
Interest expenses |  | 213,561 |  | 234,168 |  | 178,807 |
Depreciation and amortization |  | 182,877 |  | 160,562 |  | 121,559 |
Share of profit of equity-accounted investees, net |  | 690,674 |  | 881,072 |  | 652,898 |
Income tax expense |  | 40,507 |  | (30,396) |  | 6,638 |
Impairment loss on property, plant and equipment and others |  | 10,552 |  | (13,198) |  | 3,799 |
Other significant items |  | ₩ 1,018,431 |  | ₩ 1,146,891 |  | ₩ 888,512 |
[1] | Basis difference is related to the differences in recorded revenue and expenses for development and sale of certain residential real estates between the report reviewed by management and the consolidated financial statements.
[2] | Basis difference is related to the differences in recorded revenue and expenses for development and sale of certain residential real estates and other items between the report reviewed by management and the consolidated financial statements.
[3] | As segment assets and liabilities are determined based on separate financial statements, the carrying amount of assets of subsidiaries, which are in a different segment from that of their immediate parent company, in the separate financial statements the immediate parent company is eliminated upon consolidation. In addition, the amount of investment in associates and joint ventures are adjusted from the amount reflected in segment assets to that determined using equity method in consolidated financial statements.

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