| Group [member] | Company [member] | ||
| Trade and other current payables [abstract] | |||
| Current trade payables [abstract] | |||
| Trade payables | |||
| Trade payables due to contract customers | |||
| Trade payables due to holding company | |||
| Trade payables due to subsidiaries | |||
| Trade payables due to associates | |||
| Trade payables due to joint ventures | |||
| Trade payables due to other related parties | |||
| Other current trade payables | |||
| Total current trade payables | |||
| Other current payables [abstract] | |||
| Other current payables due to related parties [abstract] | |||
| Other payables due to holding company | |||
| Other payables due to subsidiaries | |||
| Other payables due to associates | |||
| Other payables due to joint ventures | |||
| Other payables due to other related parties | |||
| Total other current payables due to related parties | |||
| Other payables due to non-controlling interests [abstract] | |||
| Dividend payable to non-controlling interests | |||
| Loans from non-controlling interests | |||
| Miscellaneous payable due to non-controlling interests | |||
| Total other payables due to non-controlling interests | |||
| Current non-trade payables [abstract] | |||
| Accruals | |||
| Retention payables | |||
| Deferred income | |||
| Deposits and advanced billings | |||
| Financing costs | |||
| Dividend payables | |||
| Interest payables | |||
| Other current non-trade payables | |||
| Total current non-trade payables | |||
| Total other current payables | |||
| Total trade and other current payables | |||