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Revenue from Contracts with Customers, Other Income and Relevant Contract Assets and Liabilities
12 Months Ended
Dec. 31, 2023
Text block [abstract]  
Revenue from Contracts with Customers, Other Income and Relevant Contract Assets and Liabilities
25.
Revenue from Contracts with Customers, Other Income and Relevant Contract Assets and Liabilities
 
 
(1)
The Group has recognized the following amounts relating to revenue and other income in the statement of profit or loss:
 
 
(in millions of Korean won)
  
2021
    
2022
    
2023
 
Revenue from contracts with customers
  
24,712,128     
25,432,727     
26,063,185  
Revenue from other sources
     185,877        206,128        224,016  
Other income (Note 26)
     307,654        595,351        308,044  
  
 
 
    
 
 
    
 
 
 
Total revenue and other income

  
25,205,659     
26,234,206     
26,595,245  
  
 
 
    
 
 
    
 
 
 
 
(2) Operating revenues and other income for the years ended December 31, 2021, 2022 and 2023 are as follows:
 
(in millions of Korean won)
  
2021
    
2022
    
2023
 
Mobile services
  
6,936,485     
7,013,889     
7,140,333  
Fixed-line services
     4,960,338        5,056,513        5,142,359  
Fixed-line and VoIP telephone services
     1,465,059        1,378,265        1,249,024  
Broadband Internet access services
     2,343,591        2,504,833        2,578,558  
Data communication services
     1,151,689        1,173,415        1,314,777  
Media and content
     2,800,630        3,099,776        3,206,521  
Financial services
     3,661,896        3,836,589        3,967,763  
Sale of goods
     3,532,973        3,393,646        3,292,514  
Others
     3,313,337        3,833,793        3,845,755  
  
 
 
    
 
 
    
 
 
 
Total
  
25,205,659     
26,234,206     
26,595,245  
  
 
 
    
 
 
    
 
 
 
Mobile and fixed-line service
Telecommunication service revenues include mobile and fixed-line (e.g., fixed-line and VoIP telephone, broadband internet access services and data communication services). These services represent a series of distinct services that are considered a separate performance obligation. Service revenue is recognized when services are provided, based upon either usage (e.g., minutes of traffic/bytes of data processed) or period of time (e.g., monthly service fees).
Media and content services
Revenue from media and content services primarily consists of installation fees and basic monthly charges of IPTV and satellite TV services, as well as revenue from digital content distribution, digital music streaming and downloading. Media and contents services revenue are recognized when services are provided, based upon either usage or period of time.
Financial services
Financial services primarily include commissions for merchant fees paid by merchants to credit card companies for processing transactions. Revenue from the commission is recognized when the service obligation is performed.
Sale of goods
Revenue from sale of goods, primarily handsets related to our mobile services is recognized when a performance obligation is satisfied by transferring promised goods to customers.
 
  (3)
Contract assets and liabilities recognized in relation to the revenues from contracts with customers, are as follows:
 
(in millions of Korean won)
  
December 31,
2022
    
December 31,
2023
 
Contract assets
1
  
963,133     
 1,130,745  
Contract liabilities
1
       344,869        311,023  
Deferred revenue
2
  
81,653     
81,067  
 
  1
The Group recognized contract assets of
308,821million and contract liabilities of
32,274 million for long-term construction contract as of December 31, 2023 (2022: contract assets of
160,880 million and contract liabilities of
60,762 million). The Group recognizes contract assets as trade receivables and other receivables, and contract liabilities as other current liabilities.
 
  2
Deferred revenue recognized relating to government grant is excluded.
 
  (4)
The contract costs recognized as assets are as follows:
 
(in millions of Korean won)
  
2021
    
2022
    
2023
 
Incremental cost of contract establishment
  
1,726,401     
1,744,096     
1,656,711  
Cost of Contract performance
     74,843        73,582        70,757  
As at December 31, 2023, the Group recognized
1,759,586 million (2021:
1,842,621 million, 2022:
1,793,013 million) of operating expenses related to contract cost assets.
 
  (5)
The recognized revenue arising from carried-forward contract liabilities from prior year is as follows:
 
(in millions of Korean won)
  
2021
    
2022
    
2023
 
Revenue recognized that was included in the contract liabilities balance at the beginning of the year
        
Allocation of the transaction price
  
275,965     
246,843     
213,609  
Deferred revenue of joining/installment fee
     42,100        44,204        41,824  
  
 
 
    
 
 
    
 
 
 
Total
  
318,065     
291,047     
255,433