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Statement of Cash Flows - Summary of Changes in Liabilities Incurred From Financing Activities (Details) - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disclosure of reconciliation of liabilities arising from financing activities [line items]
Beginning balance	₩ 124,768,508	₩ 84,940,016
Cash flows	12,118,685	38,631,168
Increase	253,495	109,019
Effect of exchange rate fluctuations and others	299,022	1,088,305
Ending balance	137,439,710	124,768,508
Borrowings and debt securities
Disclosure of reconciliation of liabilities arising from financing activities [line items]
Beginning balance	120,605,365	80,529,513
Cash flows	12,692,924	39,193,815
Increase	0	0
Effect of exchange rate fluctuations and others	333,541	882,037
Ending balance	133,631,830	120,605,365
Lease liabilities
Disclosure of reconciliation of liabilities arising from financing activities [line items]
Beginning balance	4,163,143	4,410,503
Cash flows	(574,239)	(562,647)
Increase	253,495	109,019
Effect of exchange rate fluctuations and others	(34,519)	206,268
Ending balance	₩ 3,807,880	₩ 4,163,143

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities]

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- Definition

The increase in liabilities arising from financing activities resulting from new leases. [Refer: Liabilities arising from financing activities]

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- Definition

The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities]

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Increase (decrease) through effect of changes in foreign exchange rates and other changes liabilities arising from financing activities.

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