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Trade and Other Receivables - Trade and Other Receivables (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | ₩ 11,985,735 |  | ₩ 10,461,822 |
Trade and other non-current receivables | 2,193,587 |  | 2,153,080 |
Trade and other receivables | 14,179,322 |  | 12,614,902 |
Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 12,274,256 |  | 10,705,408 |
Trade and other non-current receivables | 2,288,498 |  | 2,231,660 |
Trade and other receivables | 14,562,754 |  | 12,937,068 |
Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (283,741) |  | (241,217) |
Trade and other non-current receivables | (82,857) |  | (67,236) |
Trade and other receivables | (366,598) |  | (308,453) |
Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4,780) |  | (2,369) |
Trade and other non-current receivables | (12,054) |  | (11,344) |
Trade and other receivables | (16,834) |  | (13,713) |
Trade receivables |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 11,009,543 |  | 9,504,051 |
Trade and other non-current receivables | 205,081 |  | 195,784 |
Trade and other receivables | 11,214,624 |  | 9,699,835 |
Trade receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 11,239,601 |  | 9,700,880 |
Trade and other non-current receivables | 207,668 |  | 197,955 |
Trade and other receivables | 11,447,269 |  | 9,898,835 |
Trade receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (230,058) |  | (196,829) |
Trade and other non-current receivables | (2,587) |  | (2,171) |
Trade and other receivables | (232,645) |  | (199,000) |
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 | 976,192 |  | 957,771 |
Trade and other non-current receivables | 1,988,506 |  | 1,957,296 |
Trade and other receivables | 2,964,698 |  | 2,915,067 |
Other receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 1,034,655 |  | 1,004,528 |
Trade and other non-current receivables | 2,080,830 |  | 2,033,705 |
Trade and other receivables | 3,115,485 |  | 3,038,233 |
Other receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (53,683) |  | (44,388) |
Trade and other non-current receivables | (80,270) |  | (65,065) |
Trade and other receivables | (133,953) |  | (109,453) |
Other receivables | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4,780) |  | (2,369) |
Trade and other non-current receivables | (12,054) |  | (11,344) |
Trade and other receivables | (16,834) |  | (13,713) |
Non-trade receivables |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 344,180 |  | 417,931 |
Trade and other non-current receivables | 144,169 |  | 87,250 |
Non-trade receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 393,859 |  | 459,245 |
Trade and other non-current receivables | 198,453 |  | 140,128 |
Non-trade receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (49,626) |  | (41,293) |
Trade and other non-current receivables | (54,182) |  | (52,696) |
Non-trade receivables | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (53) |  | (21) |
Trade and other non-current receivables | (102) |  | (182) |
Accrued income |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 133,033 |  | 109,267 |
Trade and other non-current receivables | 7,342 |  | 2,004 |
Accrued income | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 133,033 |  | 109,267 |
Trade and other non-current receivables | 7,342 |  | 2,004 |
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 | 312,810 |  | 287,232 |
Trade and other non-current receivables | 429,506 |  | 448,699 |
Deposits | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 317,541 |  | 289,580 |
Trade and other non-current receivables | 441,721 |  | 459,861 |
Deposits | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4) |  | 0 |
Trade and other non-current receivables | (263) |  | 0 |
Deposits | Present value discount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (4,727) |  | (2,348) |
Trade and other non-current receivables | (11,952) |  | (11,162) |
Finance lease receivables |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 72,900 | [1] | 65,781 | [2]
Trade and other non-current receivables | 1,171,005 | [3] | 1,169,104 | [4]
Finance lease receivables | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 75,661 | [1] | 67,583 | [2]
Trade and other non-current receivables | 1,173,500 | [3] | 1,171,807 | [4]
Finance lease receivables | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (2,761) | [1] | (1,802) | [2]
Trade and other non-current receivables | (2,495) | [3] | (2,703) | [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 | 113,269 |  | 77,560 |
Trade and other non-current receivables | 236,484 |  | 250,239 |
Others | Gross amount |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | 114,561 |  | 78,853 |
Trade and other non-current receivables | 259,814 |  | 259,905 |
Others | Allowance for doubtful accounts |  |  |  |
Disclosure of financial assets [line items] |  |  |  |
Trade and other current receivables | (1,292) |  | (1,293) |
Trade and other non-current receivables | (23,330) |  | (9,666) |
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 ￦114,118 million.
[2] | Gross amount of finance lease receivables is the net lease investment by deducting unearned finance income of ￦114,347 million.
[3] | Gross amount of finance lease receivables is the net lease investment by deducting unearned finance income of ￦943,316 million.
[4] | Gross amount of finance lease receivables is the net lease investment by deducting unearned finance income of ￦1,024,927 million.

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