Inventories - Summary of Inventories (Detail) - KRW (₩) ₩ in Millions	Dec. 31, 2019	Dec. 31, 2018
Classes of current inventories [abstract]
Finished goods	₩ 730,009	₩ 1,084,297
Work-in-process	756,744	856,388
Raw materials	405,854	554,720
Supplies	158,548	195,798
Inventories	₩ 2,051,155	₩ 2,691,203

No definition available.

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A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]

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The amount of current inventories. [Refer: Inventories]

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A classification of current inventory representing the amount of supplies to be used for the production process. [Refer: Inventories]

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A classification of current inventory representing the amount of assets to be consumed in the production process or in the rendering of services. [Refer: Inventories]

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A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]

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