The book values of major monetary assets and liabilities denominated in currencies other than the functional currency as of December 31, 2016 and 2017 are as follows:
| (In millions) | ||||||||||||||||
| December 31, 2016 | ||||||||||||||||
| Currency | Amount | Exchange rate |
Yen equivalent |
|||||||||||||
|
Monetary assets: |
||||||||||||||||
|
Cash and cash equivalents |
KRW | 37,595 | 0.10 | 3,626 | ||||||||||||
| USD | 32 | 116.56 | 3,775 | |||||||||||||
| EUR | 6 | 122.26 | 750 | |||||||||||||
|
Trade receivables |
KRW | 2,310 | 0.10 | 223 | ||||||||||||
| USD | 6 | 116.56 | 725 | |||||||||||||
| THB | 395 | 3.24 | 1,282 | |||||||||||||
|
Time deposits |
KRW | 5,100 | 0.10 | 492 | ||||||||||||
| USD | 2 | 116.56 | 257 | |||||||||||||
|
Office security deposits |
KRW | 5,623 | 0.10 | 542 | ||||||||||||
|
Available-for-sale financial assets |
USD | 9 | 116.56 | 1,059 | ||||||||||||
|
|
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| (In millions) | ||||||||||||||||
| December 31, 2017 | ||||||||||||||||
| Currency | Amount | Exchange rate |
Yen equivalent |
|||||||||||||
|
Monetary assets: |
||||||||||||||||
|
Cash and cash equivalents |
KRW | 7,312 | 0.11 | 770 | ||||||||||||
| USD | 101 | 112.88 | 11,364 | |||||||||||||
| EUR | 2 | 134.78 | 213 | |||||||||||||
| JPY | 258 | 1.00 | 258 | |||||||||||||
|
Trade receivables |
USD | 12 | 112.88 | 1,336 | ||||||||||||
| THB | 188 | 3.45 | 649 | |||||||||||||
|
Other receivables |
USD | 5 | 112.88 | 611 | ||||||||||||
|
Time deposits |
KRW | 6,100 | 0.11 | 643 | ||||||||||||
| USD | 10 | 112.88 | 1,131 | |||||||||||||
|
Office security deposits |
KRW | 5,655 | 0.11 | 596 | ||||||||||||
|
Available-for-sale financial assets |
USD | 35 | 112.88 | 3,949 | ||||||||||||
| (In millions) | ||||||||||||||||
| December 31, 2016 | ||||||||||||||||
| Currency | Amount | Exchange rate |
Yen equivalent |
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|
Monetary liabilities: |
||||||||||||||||
|
Trade and other payables |
KRW | (7,669 | ) | 0.10 | (740 | ) | ||||||||||
| USD | (5 | ) | 116.56 | (612 | ) | |||||||||||
| EUR | (2 | ) | 122.26 | (211 | ) | |||||||||||
|
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| (In millions) | ||||||||||||||||
| December 31, 2017 | ||||||||||||||||
| Currency | Amount | Exchange rate |
Yen equivalent |
|||||||||||||
|
Monetary liabilities: |
||||||||||||||||
|
Trade and other payables |
KRW | (20,456) | 0.11 | (2,155) | ||||||||||||
| USD | (10) | 112.88 | (1,166) | |||||||||||||
| THB | (97) | 3.45 | (334) | |||||||||||||
|
Put option liabilities |
KRW | (2,114) | 0.11 | (223) | ||||||||||||