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Trade and Other Receivables - Trade and Other Receivables (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | ₩ 12,216,216 |  | ₩ 11,985,735 |
Trade and other non-current receivables | 3,157,409 |  | 2,193,587 |
Trade and other receivables | 15,373,625 |  | 14,179,322 |
Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 12,427,147 |  | 12,274,256 |
Trade and other non-current receivables | 3,361,914 |  | 2,288,498 |
Trade and other receivables | 15,789,061 |  | 14,562,754 |
Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (206,845) |  | (283,741) |
Trade and other non-current receivables | (194,097) |  | (82,857) |
Trade and other receivables | (400,942) |  | (366,598) |
Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4,086) |  | (4,780) |
Trade and other non-current receivables | (10,408) |  | (12,054) |
Trade and other receivables | (14,494) |  | (16,834) |
Trade receivables |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 11,099,174 |  | 11,009,543 |
Trade and other non-current receivables | 996,041 |  | 205,081 |
Trade and other receivables | 12,095,215 |  | 11,214,624 |
Trade receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 11,266,202 |  | 11,239,601 |
Trade and other non-current receivables | 1,089,787 |  | 207,668 |
Trade and other receivables | 12,355,989 |  | 11,447,269 |
Trade receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (167,028) |  | (230,058) |
Trade and other non-current receivables | (93,746) |  | (2,587) |
Trade and other receivables | (260,774) |  | (232,645) |
Trade receivables | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 0 |  | 0 |
Trade and other non-current receivables | 0 |  | 0 |
Other receivables |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 1,117,042 |  | 976,192 |
Trade and other non-current receivables | 2,161,368 |  | 1,988,506 |
Trade and other receivables | 3,278,410 |  | 2,964,698 |
Other receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 1,160,945 |  | 1,034,655 |
Trade and other non-current receivables | 2,272,127 |  | 2,080,830 |
Trade and other receivables | 3,433,072 |  | 3,115,485 |
Other receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (39,817) |  | (53,683) |
Trade and other non-current receivables | (100,351) |  | (80,270) |
Trade and other receivables | (140,168) |  | (133,953) |
Other receivables | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4,086) |  | (4,780) |
Trade and other non-current receivables | (10,408) |  | (12,054) |
Trade and other receivables | (14,494) |  | (16,834) |
Non-trade receivables |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 368,186 |  | 344,180 |
Trade and other non-current receivables | 181,550 |  | 144,169 |
Non-trade receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 403,248 |  | 393,859 |
Trade and other non-current receivables | 243,813 |  | 198,453 |
Non-trade receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (35,041) |  | (49,626) |
Trade and other non-current receivables | (62,222) |  | (54,182) |
Non-trade receivables | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (21) |  | (53) |
Trade and other non-current receivables | (41) |  | (102) |
Accrued income |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 112,941 |  | 133,033 |
Trade and other non-current receivables | 21,395 |  | 7,342 |
Accrued income | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 112,941 |  | 133,033 |
Trade and other non-current receivables | 21,395 |  | 7,342 |
Accrued income | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 0 |  | 0 |
Trade and other non-current receivables | 0 |  | 0 |
Accrued income | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 0 |  | 0 |
Trade and other non-current receivables | 0 |  | 0 |
Deposits |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 289,643 |  | 312,810 |
Trade and other non-current receivables | 476,087 |  | 429,506 |
Deposits | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 293,712 |  | 317,541 |
Trade and other non-current receivables | 486,868 |  | 441,721 |
Deposits | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4) |  | (4) |
Trade and other non-current receivables | (414) |  | (263) |
Deposits | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4,065) |  | (4,727) |
Trade and other non-current receivables | (10,367) |  | (11,952) |
Finance lease receivables |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 88,650 | [1] | 72,900 | [2]
Trade and other non-current receivables | 1,262,494 | [3] | 1,171,005 | [4]
Finance lease receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 92,130 | [1] | 75,661 | [2]
Trade and other non-current receivables | 1,264,269 | [3] | 1,173,500 | [4]
Finance lease receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (3,480) | [1] | (2,761) | [2]
Trade and other non-current receivables | (1,775) | [3] | (2,495) | [4]
Finance lease receivables | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 0 | [1] | 0 | [2]
Trade and other non-current receivables | 0 | [3] | 0 | [4]
Others |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 257,622 |  | 113,269 |
Trade and other non-current receivables | 219,842 |  | 236,484 |
Others | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 258,914 |  | 114,561 |
Trade and other non-current receivables | 255,782 |  | 259,814 |
Others | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (1,292) |  | (1,292) |
Trade and other non-current receivables | (35,940) |  | (23,330) |
Others | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 0 |  | 0 |
Trade and other non-current receivables | ₩ 0 |  | ₩ 0 |
[1] | Gross amount of finance lease receivables is the net lease investment by deducting unearned finance income of ￦121,170 million.
[2] | Gross amount of finance lease receivables is the net lease investment by deducting unearned finance income of ￦114,118 million.
[3] | Gross amount of finance lease receivables is the net lease investment by deducting unearned finance income of ￦956,968 million.
[4] | Gross amount of finance lease receivables is the net lease investment by deducting unearned finance income of ￦943,316 million.

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