Measurement of Fair Values
The following table shows the valuation techniques used in measuring Level 2 and Level 3 fair values, as well as the significant unobservable inputs used.
| Level 2 and level 3 instruments | Level 3 instruments | ||
|---|---|---|---|
| Type | Valuation technique | Significant unobservable inputs | Inter-relationship between significant unobservable inputs and fair value measurement | 
| Financial instrument measured at fair value | |||
| Interest rate swaps | Income approach −  | Not applicable | Not applicable | 
| Forward currency contracts | Income approach −  | Not applicable | Not applicable | 
| Financial instrument not measured at fair value | |||
| Loans to joint ventures and associates | Income approach −  | 
 | The estimated fair value would increase (decrease) if: 
 | 
| Finance lease receivables | Income approach −  | 
 | The estimated fair value would increase (decrease) if: 
 | 
| Loans and borrowings | Income approach −  | Not applicable | Not applicable | 
| Other long-term debt | Income approach −  | Not applicable | Not applicable |