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Financial Risk Management (Tables)
12 Months Ended
Dec. 31, 2022
Statement [LineItems]  
Summary of Maximum Exposure to Credit Risk
The maximum exposure to credit risk of the Group’s financial instruments without considering value of collaterals as at December 31, 2021 and 2022, are as follows:
 
(in millions of Korean won)
  
December 31, 2021
    
December 31, 2022
 
Cash and cash equivalents (except for cash on hand)
  
2,989,713     
2,437,629  
Trade and other receivables
                 
Financial assets at amortized costs
     5,687,103        7,459,994  
Financial assets at fair value through other comprehensive income
     491,713        129,124  
Contract assets
     745,085        802,253  
Other financial assets
                 
Derivatives financial assets for hedging
     99,453        190,830  
Financial assets at fair value through profit or loss
     862,481        942,274  
Financial assets at fair value through other comprehensive income
     94,750        5,432  
Financial assets at amortized costs
     608,389        1,060,058  
    
 
 
    
 
 
 
Total
  
11,578,687     
13,027,594  
    
 
 
    
 
 
 
Summary of Contractual Undiscounted Cash Flows These amounts are contractual undiscounted cash flows and can differ from the amount in the consolidated financial statements.
 
    
December 31, 2021
 
(in millions of Korean won)
  
Less than
1 year
    
1-5 years
    
More than
5 years
    
Total
 
Trade and other payables
  
6,698,783     
1,232,468     
159,647     
8,090,898  
Borrowings(including debentures)
     1,927,456        5,635,558        2,275,557        9,838,571  
Lease liabilities
     388,226        484,476        427,860        1,300,562  
Other non-derivative financial liabilities
     1,473        206,749        100,900        309,122  
Financial guarantee contracts
1
     71,697        —          —          71,697  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total
  
9,087,635     
7,559,251     
2,963,964     
19,610,850  
    
 
 
    
 
 
    
 
 
    
 
 
 
 
  1
It is total amount guaranteed by the Group according to guarantee contracts. Cash flow from financial guarantee contracts is classified as the maturity group in the earliest period when the financial guarantee contracts can be executed.
 
    
December 31, 2022
 
(in millions of Korean won)
  
Less than
1 year
    
1-5 years
    
More than
5 years
    
Total
 
Trade and other payables
  
7,386,703     
1,009,559     
86,848     
8,483,110  
Borrowings(including debentures)
     2,028,207        6,972,077        2,016,472        11,016,756  
Lease liabilities
     313,162        615,766        407,833        1,336,761  
Other non-derivative financial liabilities
     33,279        209,155        93,744        336,178  
Financial guarantee contracts
1
     21,618        —          4,588        26,206  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total
  
9,782,969     
8,806,557     
2,609,485     
21,199,011  
    
 
 
    
 
 
    
 
 
    
 
 
 
 
1
It is total amount guaranteed by the Group according to guarantee contracts. Cash flow from financial guarantee contracts is classified as the maturity group in the earliest period when the financial guarantee contracts can be executed.
Summary of Cash Outflow and Inflow of Derivatives Settled Gross or Net are Undiscounted Contractual Cash Flow
At the end of the reporting period, the cash outflows and inflows by maturity of the Group’s derivatives held for trading and gross-settled derivatives are as follows:
 

    
December 31, 2020
 
(
i
n millions of Korean won)
  
Less than
1 year
    
1-5 years
    
More than
5 years
    
Total
 
Derivatives settled gross
2
                                   
Outflow
  
248,300     
2,179,046     
498,619     
2,925,965  
Inflow
     249,301        2,074,747        480,570        2,804,618  
 
    
December 31, 2021
 
(in millions of Korean won
)
  
Less than
1 year
    
1-5 years
    
More than
5 years
    
Total
 
Derivatives held for trading
1
                                   
Outflows
  
—       
158,284     
—       
158,284  
Derivatives settled gross
2
                                   
Outflows
  
843,489     
1,857,942     
377,302     
3,078,733  
Inflows
     856,508        1,917,236        394,134        3,167,878  
 
 
  
December 31, 2022
 
(in millions of Korean won)
  
Less than
1 year
 
  
1-5 years
 
  
More than
5 years
 
  
Total
 
Derivatives held for trading
1
                                   
Outflows
  
—       
101,994     
930     
102,924  
Derivatives settled gross
2
                                   
Outflows
  
472,005     
2,493,858     
28,786     
2,994,649  
Inflows
     550,478        2,670,002        37,873        3,258,353  
 
 
1
During the year ended December 31, 2022, derivative liabilities held-for-trading are classified under the ‘more than one year to less than five years’ category as they are relevant to the fair value of derivatives liabilities related to shareholder-to-share contracts (Note 20).
As these derivatives held-for-trading are managed based on net fair value, their contractual maturities are not necessarily taking into consideration to understand the timing of cash flows.
 
2
Cash outflow and inflow of gross-settled derivatives are undiscounted contractual cash flow and may differ from the amount in the consolidated statement of financial position.
Summary of Debt-to-equity Ratios
The debt-to-equity ratios as at December 31, 2021 and 2022, are as follows:
 
(in millions of Korean won)
  
December 31, 2021
 
 
December 31, 2022
 
Total liabilities
  
20,592,180    
22,577,114  
Total equity
     16,567,161       18,412,696  
Debt-to-equity ratio
     124     123
The Group manages capital on the basis of the gearing ratio. This ratio is calculated as net debt divided by total capital. Net debt is calculated as total borrowings less cash and cash equivalents. Total capital is calculated as ‘equity’ in the statement of financial position plus net debt.
The gearing ratios as at December 31, 2021 and 2022, are as follows:
 
(in millions of Korean won, %)
  
December 31, 2021
 
 
December 31, 2022
 
Total borrowings
  
8,437,703    
10,006,685  
Less: cash and cash equivalents
     (3,019,592     (2,449,062
    
 
 
   
 
 
 
Net debt
     5,418,111       7,557,623  
Total equity
     16,567,161       18,412,696  
Total capital
     21,985,272       25,970,319  
Gearing ratio
     25     29
Summary of Group's Recognized Financial Assets Subject to Enforceable Master Netting Arrangements or Similar Agreements
Details of the Group’s recognized financial assets subject to enforceable master netting arrangements or similar agreements are as follows:
 
(In millions of Korean won)
  
December 31, 2021
 
    
Gross
assets
    
Gross
liabilities
offset
    
Net amounts
presented in
the statement
of financial
position
    
Amounts not offset
    
Net
amount
 
  
Financial
instruments
   
Cash
collateral
 
Trade receivables
  
79,102     
 —       
79,102     
(65,592  
—       
13,510  
 
(in millions of Korean won)
  
December 31, 2022
 
    
Gross
assets
    
Gross
liabilities
offset
   
Net amounts
presented in
the statement
of financial
position
    
Amounts not offset
    
Net
amount
 
  
Financial
instruments
   
Cash
collateral
 
Trade receivables
  
60,512     
—      
60,512     
(44,518  
—       
15,994  
Other financial assets
     764        (764     —          —         —          —    
    
 
 
    
 
 
   
 
 
    
 
 
   
 
 
    
 
 
 
Total
  
61,276     
(764  
65,012     
(44,518  
—       
15,994  
    
 
 
    
 
 
   
 
 
    
 
 
   
 
 
    
 
 
 
Summary of Group's Recognized Financial Liabilities Subject to Enforceable Master Netting Arrangements or Similar Agreements
The Group’s recognized financial liabilities subject to enforceable master netting arrangements or similar agreements are as follows:
 
(in millions of Korean won)
  
December 31, 2021
 
    
Gross
liabilities
    
Gross
assets
offset
    
Net amounts
presented in
the statement
of financial
position
    
Amounts not offset
    
Net
amount
 
  
Financial
instruments
   
Cash
collateral
 
Trade payables
  
69,944     
—       
69,944     
(65,592  
—       
4,352  
    
 
 
    
 
 
    
 
 
    
 
 
   
 
 
    
 
 
 
Total
  
69,944     
  —       
69,955     
(65,592  
—       
  4,352  
    
 
 
    
 
 
    
 
 
    
 
 
   
 
 
    
 
 
 
 
(in millions of Korean won)
  
December 31, 2022
 
    
Gross
liabilities
    
Gross
assets
offset
   
Net amounts
presented in
the statement
of financial
position
    
Amounts not offset
    
Net
amount
 
  
Financial
instruments
   
Cash
collateral
 
Trade payables
  
47,271     
(764  
46,507     
(44,518  
—       
1,989  
    
 
 
    
 
 
   
 
 
    
 
 
   
 
 
    
 
 
 
Total
  
47,271     
(764  
46,507     
(44,518  
—       
1,989  
    
 
 
    
 
 
   
 
 
    
 
 
   
 
 
    
 
 
 
Currency risk [Member]  
Statement [LineItems]  
Summary of Exposures to Risks, Effects on Profit before Income Tax and Shareholders' Equity
As at December 31, 2020, 2021 and 2022, if the foreign exchange rate had strengthened/weakened by 10% with all other variables held constant, the effects on profit before income tax and shareholders’ equity would have been as follows:


(in millions of Korean won)
  
Fluctuation of
foreign exchange
rate
 
Impact on profit
before income tax 
1
 
 
Impact on
equity
 
2020.12.31
   10%  
25,220    
36,961  
   -10%     (25,220     (36,961
2021.12.31
   10%  
(3,433  
8,692  
   -10%     3,433       (8,692
2022.12.31
   10%  
(5,841  
(15,836
   -10%     5,841       15,836  
Summary of Details of Financial Assets and Liabilities in Foreign Currencies
Details of financial assets and liabilities in foreign currencies as at December 31, 2020, 2021 and 2022, are as follows:
 
(In thousands of foreign currencies)
  
2020
    
2021
    
2022
 
  
Financial
assets
    
Financial
liabilities
    
Financial
assets
    
Financial
liabilities
    
Financial
assets
    
Financial
liabilities
 
USD
     400,046        1,937,935        245,759        2,302,642        106,426        2,336,607  
SDR
1
     255        728        255        722        255        722  
JPY
     209,376        46,000,009        29,227        30,000,763        32,801        400,002  
GBP
     —          —          —          1,005        30        83  
EUR
     316        162        3,943        10,801        185        7,832  
CNY
     458        491        —          —          —          —    
RWF
2
     646        —          586        —          15,521        13,025  
THB
3
     535        —          2,160        —          265        —    
MMK
4
     —          —          —          —          —          —    
TZS
5
     1,019        —          1,644        —          1,464        —    
BWP
6
     212        —          93        —          183        —    
HKD
7
     —          198        —          105        37        —    
BDT
8
     —          —          —          —          —          —    
PLN
9
     26        —          —          —          —          —    
VND
10
     242,370        —          257,895        —          280,226        —    
XAF
11
     16,229        —          —          —          —          —    
SGD
12
     6        284,000        13        284,000        448        284,000  
TWD
13
     —          —          —          226        —          —    
CHF
14
     —          —          —          161        —          —    
MYR
15
     —          —          —          —          1         
BGN
16
     —          —          —          —          62         
 
  1
Special Drawing Rights.
  2
Rwanda Franc.
  3
Thailand Bhat.
  4
Myanmar Kyat.
  5
Tanzanian Shilling.
  6
Botswana Pula.
  7
Hong Kong Dollar.
  8
Bangladesh Taka.
  9
Polish Zloty.
  10
Vietnam Dong.
  11
Central African Franc.
  12
Singapore Dollar.
  13
Taiwan Dollar.
  14
Swiss Franc.
  15
Ringgit Malaysia.
  16
Bulgarian Lev.
Equity price risk [Member]  
Statement [LineItems]  
Summary of Exposures to Risks, Effects on Profit before Income Tax and Shareholders' Equity
As at December 31, 2020, 2021 and 2022, the Group is exposed to equity securities price risk because the securities held by the Group are traded in active markets. If the market prices had
 
increased/decreased by 10% with all other variables held constant, the effects on profit before income tax and equity would have been as follows:
 
(in millions of Korean won)
  
Fluctuation of price
 
Impact on profit
before income tax
 
 
Impact on
equity
 
2020.12.31
   10%  
2,811    
3,472  
   -10%     (2,811     (3,472
2021.12.31
   10%  
2,000    
4,588  
   -10%     (2,000     (4,588
2022.12.31
   10%  
2,660    
113,948  
   -10%     (2,660     (113,948
Interest rate risk [Member]  
Statement [LineItems]  
Summary of Exposures to Risks, Effects on Profit before Income Tax and Shareholders' Equity
As at December 31, 2020, 2021 and 2022, if the market interest rate had increased/decreased by 100 bp with other variables held constant, the effects on profit before income tax and shareholders’ equity would be as follows:


(in millions of Korean won)
  
Fluctuation of
interest rate
 
  
Impact on profit
before income tax
 
 
Impact on
equity
 
2020.12.31
    
+ 100 bp
    
 973    
18,584  
     - 100 bp        (973     (19,377
2021.12.31
     + 100 bp     
753    
5,549  
     - 100 bp        (731     (5,675
2022.12.31
     + 100 bp     
635    
(2,045
     - 100 bp        (669     2,100