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Inventories - Additional Information (Detail) - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Classes of current inventories [abstract]
Inventories recognised as expense	₩ 3,485,288	₩ 3,787,203	₩ 3,938,842
Valuation loss and reversal of valuation loss	₩ 24,294	₩ 12,920	₩ 11,214

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- References

No definition available.

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- Definition

The amount of inventories recognised as an expense during the period. [Refer: Inventories]

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- Definition

The amount recognised resulting from the write-down of inventories to net realisable value or reversals of those write-downs. [Refer: Inventories]

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