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Sales (Tables)

12 Months Ended

Dec. 31, 2023

Revenue [abstract]

Summary of Sales

Details of sales for the years ended December 31, 2021, 2022 and 2023 are as follows:

						2021								2022								2023
						Domestic				Overseas				Domestic				Overseas				Domestic				Overseas
						In millions of won
[Type of goods and services]
Sales of goods		￦					58,359,774				441,203				68,578,390				606,079				85,588,151				351,986
Electricity							57,308,555				—				66,198,964				—				82,954,778				—
Heat supply							232,738				—				489,629				—				440,435				—
Others							818,481				441,203				1,889,797				606,079				2,192,938				351,986
Sales related to rendering of services							252,216				204,184				370,799				343,803				467,661				283,217
Sales related to construction services							159,262				595,736				193,541				453,412				186,996				598,399
		￦					58,771,252				1,241,123				69,142,730				1,403,294				86,242,808				1,233,602
[Timing of revenue recognition]
Performance obligations satisfied at a point in time		￦					58,359,774				441,203				68,578,390				606,079				85,588,151				351,986
Performance obligations satisfied over time							411,478				799,920				564,340				797,215				654,657				881,616
		￦					58,771,252				1,241,123				69,142,730				1,403,294				86,242,808				1,233,602

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- Definition

The entire disclosure for revenue from contracts with customers.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Section Presentation
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-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Section Disclosure
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IFRS15_g110-129_TI
-URIDate 2023-03-23

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- References

No definition available.

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