|  |  | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 | 
            
                
                    | |  | ASSETS | 
 |  |  |  |  |  |  | 
            
                
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 7,378 | 8,590 | 2,164 | 3,349 | 3,855 | 
            
                
                    | |  | I. Cash and cash equivalents | 
 |  | 5,119 | 8,492 | 1,716 | 2,797 | 3,457 | 
            
                
                    | |  | 1. Cash | 
 |  | 5,119 | 6,492 | 1,716 | 1,297 | 3,457 | 
            
                
                    | |  | 2. Cash equivalents | 
 |  |  | 2,000 |  | 1,500 |  | 
            
                
                    | |  | II. Short-term financial investments | 
 |  | 2,000 |  | 322 | 388 | 381 | 
            
                
                    | |  | 1. Trading securities | 
 |  | 2,000 |  | 514 | 520 | 514 | 
            
                
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  | -192 | -132 | -133 | 
            
                
                    | |  | 3. Investments holding until maturity | 
 |  |  |  |  |  |  | 
            
                
                    | |  | III. Short-term receivables | 
 |  | 223 | 72 | 66 | 117 | 11 | 
            
                
                    | |  | 1.  Short-term receivables of customers | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 2. Prepayments to suppliers | 
 |  | 122 | 66 | 66 | 117 | 11 | 
            
                
                    | |  | 3. Short-term intercompany receivables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 4. Receivables according to the progress of construction contracts | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 5. Receivables on short-term loans | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 6. Other short-term receivables | 
 |  | 100 | 6 |  |  |  | 
            
                
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | IV. Inventories | 
 |  | 27 | 9 |  |  |  | 
            
                
                    | |  | 1. Inventories | 
 |  | 27 | 9 |  |  |  | 
            
                
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  | 
            
                
                    | |  | V. Other current assets | 
 |  | 9 | 18 | 60 | 48 | 5 | 
            
                
                    | |  | 1. Short-term prepaid expenses | 
 |  | 9 | 18 | 27 | 15 | 5 | 
            
                
                    | |  | 2. Deductible VAT | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Taxes and the State Receivables | 
 |  |  |  | 33 | 33 |  | 
            
                
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  | 
            
                
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 12,864 | 12,068 | 17,194 | 16,982 | 16,605 | 
            
                
                    | |  | I. Long-term receivables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 1. Long-term customer's receivables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 2. Business capital in the subsidiary units | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Internal long-term receivables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 4. Receivables on long-term loans | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 5. Other long-term receivables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | II. Fixed assets | 
 |  | 5,346 | 7,394 | 6,943 | 2,350 | 2,300 | 
            
                
                    | |  | 1. Tangible fixed assets | 
 |  | 5,346 | 7,394 | 6,943 | 2,350 | 2,300 | 
            
                
                    | |  | - Cost | 
 |  | 6,078 | 8,578 | 8,578 | 2,500 | 2,500 | 
            
                
                    | |  | - Accumulated depreciation | 
 |  | -732 | -1,184 | -1,635 | -150 | -200 | 
            
                
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  | 
            
                
                    | |  | - Cost | 
 |  |  |  |  |  |  | 
            
                
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Intangible fixed assets | 
 |  |  |  |  |  |  | 
            
                
                    | |  | - Cost | 
 |  |  |  |  |  |  | 
            
                
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  | 
            
                
                    | |  | III. Real Estate Investments | 
 |  | 3,955 | 3,875 | 3,795 | 7,450 | 7,188 | 
            
                
                    | |  | - Cost | 
 |  | 4,000 | 4,000 | 4,000 | 8,537 | 8,537 | 
            
                
                    | |  | - Accumulated depreciation | 
 |  | -45 | -125 | -205 | -1,087 | -1,349 | 
            
                
                    | |  | IV. Long-term assets in progress | 
 |  | 2,500 |  |  |  |  | 
            
                
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 2. Costs of construction in progress | 
 |  | 2,500 |  |  |  |  | 
            
                
                    | |  | IV. Long-term financial investments | 
 |  | 452 | 402 | 6,402 | 7,180 | 7,113 | 
            
                
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Other investments in equity instruments | 
 |  | 452 | 402 | 6,402 | 7,180 | 7,113 | 
            
                
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  | 
            
                
                    | |  | V. Total other long-term assets | 
 |  | 611 | 397 | 53 | 2 | 4 | 
            
                
                    | |  | 1. Long-term prepaid expenses | 
 |  | 611 | 397 | 53 | 2 | 4 | 
            
                
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  | 
            
                
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  | 
            
                
                    | |  | TOTAL ASSETS | 
 |  | 20,242 | 20,659 | 19,358 | 20,332 | 20,459 | 
            
                
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  | 
            
                
                    | |  | A. LIABILITIES | 
 |  | 1,153 | 1,432 | 975 | 323 | 227 | 
            
                
                    | |  | I. Current liabilities | 
 |  | 662 | 1,110 | 821 | 297 | 227 | 
            
                
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 168 | 168 | 168 |  |  | 
            
                
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Short-term payables to sellers | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 4. Advances from customers | 
 |  | 13 | 73 | 522 |  |  | 
            
                
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 30 | 204 | 26 | 162 | 38 | 
            
                
                    | |  | 6. Payables to employees | 
 |  | 126 | 189 | 104 | 83 | 60 | 
            
                
                    | |  | 7. Short-term accrued expenses | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  | 52 | 71 | 
            
                
                    | |  | 11. Other short-term payables | 
 |  | 324 | 476 |  |  | 57 | 
            
                
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 13. Bonus and welfare fund | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  | 
            
                
                    | |  | II. Long-term liabilities | 
 |  | 490 | 322 | 154 | 26 |  | 
            
                
                    | |  | 1. Long-term payables to sellers | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 2. Long-term accrued expenses | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Intercompany payables on business capital | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 4. Long-term intra-company payables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 5. Other long-term payables | 
 |  |  |  |  | 26 |  | 
            
                
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 490 | 322 | 154 |  |  | 
            
                
                    | |  | 7. Convertible bonds | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 8. Deferred income tax payables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 9. Provision for job loss allowance | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 10. Provision for long-term payables | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 11. Long-term unrealized revenue | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  | 
            
                
                    | |  | B. OWNER'S EQUITY | 
 |  | 19,089 | 19,227 | 18,382 | 20,008 | 20,232 | 
            
                
                    | |  | I. ShareHolder's equity | 
 |  | 19,089 | 19,227 | 18,382 | 20,008 | 20,232 | 
            
                
                    | |  | 1. Owner's investment capital | 
 |  | 20,000 | 20,000 | 20,000 | 20,000 | 20,000 | 
            
                
                    | |  | 2. Share capital surplus | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 4. Other owner's capital | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 5. Treasury shares | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 8. Investment and development funds | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 11. After tax undistributed profit | 
 |  | -911 | -773 | -1,618 | 8 | 232 | 
            
                
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | -589 | -911 | -773 | -1,618 | 8 | 
            
                
                    | |  | - Profit after tax undistributed this period | 
 |  | -321 | 137 | -844 | 1,626 | 224 | 
            
                
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 14. interest of shareholders who not control | 
 |  |  |  |  |  |  | 
            
                
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  | 
            
                
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  | 
            
                
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 20,242 | 20,659 | 19,358 | 20,332 | 20,459 |