Financial Risk Management - Schedule of Financial Assets and Liabilities Exposed in Foreign Currency Risk (Details) ₩ in Millions |
Dec. 31, 2024
KRW (₩)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2024
JPY (¥)
|
Dec. 31, 2024
EUR (€)
|
Dec. 31, 2024
IDR (Rp)
|
Dec. 31, 2024
THB (฿)
|
Dec. 31, 2024
VND (₫)
|
Dec. 31, 2024
HKD ($)
|
Dec. 31, 2023
KRW (₩)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2023
JPY (¥)
|
Dec. 31, 2023
EUR (€)
|
Dec. 31, 2023
IDR (Rp)
|
Dec. 31, 2023
THB (฿)
|
Dec. 31, 2023
VND (₫)
|
Dec. 31, 2023
HKD ($)
|
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Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | ₩ 642,739 | ₩ 538,780 | ||||||||||||||
Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 107,747 | 114,833 | ||||||||||||||
Financial liabilities | 43,632 | 37,854 | ||||||||||||||
USD | Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 103,021 | $ 70,136,599,000,000 | 111,616 | $ 86,681,440,000,000 | ||||||||||||
Financial liabilities | 43,009 | $ 29,286,354,000,000 | 36,344 | $ 28,203,218,000,000 | ||||||||||||
JPY | Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 4,654 | ¥ 496,929,791,000,000 | 3,139 | ¥ 343,984,702,000,000 | ||||||||||||
Financial liabilities | 525 | ¥ 56,100,772,000,000 | 1,467 | ¥ 160,779,008,000,000 | ||||||||||||
EUR | Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 43 | € 27,925,000,000 | 52 | € 36,780,000,000 | ||||||||||||
Financial liabilities | 50 | € 32,910,000,000 | 43 | € 30,472,000,000 | ||||||||||||
IDR | Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 1 | Rp 9,851,056,000,000 | 1 | Rp 12,955,000,000,000 | ||||||||||||
Financial liabilities | 48 | Rp 522,083,448,000,000 | 0 | Rp 3,103,944,000,000 | ||||||||||||
THB | Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 1 | ฿ 21,131,000,000 | 1 | ฿ 28,510,000,000 | ||||||||||||
Financial liabilities | 0 | ฿ 0 | 0 | ฿ 7,379,000,000 | ||||||||||||
VND | Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 0 | ₫ 6,026,400,000,000 | 0 | ₫ 9,270,000,000,000 | ||||||||||||
Financial liabilities | 0 | ₫ 0 | 0 | ₫ 3,243,600,000,000 | ||||||||||||
HKD | Currency risk | ||||||||||||||||
Disclosure of detailed information about financial instruments [line items] | ||||||||||||||||
Financial assets | 27 | $ 141,271 | 24 | $ 144,997 | ||||||||||||
Financial liabilities | ₩ 0 | $ 0 | ₩ 0 | $ 0 |