| Group [member] | Company [member] | ||
| Analysis of income and expense [abstract] | |||
| Revenue [abstract] | |||
| Revenue from sale of goods [abstract] | |||
| Revenue from sale of broadband and telecommunication | |||
| Revenue from property development | |||
| Revenue from construction contracts | |||
| Revenue from clean water, treatment and disposal of waste water | |||
| Revenue from sale of food and beverage | |||
| Revenue from sale of agricultural produce | |||
| Revenue from sale of oil and gas products | |||
| Revenue from sale of other goods | |||
| Total revenue from sale of goods | |||
| Revenue from rendering of services [abstract] | |||
| Revenue from rendering of entertainment services | |||
| Revenue from rendering of telecommunication services | |||
| Revenue from rendering of transportation services | |||
| Revenue from rendering of information technology services | |||
| Revenue from rendering of educational services | |||
| Revenue from rendering of healthcare services | |||
| Revenue from rendering of shipping and shipping related services | |||
| Revenue from rendering of other services | |||
| Total revenue from rendering of services | |||
| Interest income [abstract] | |||
| Interest income on loans, advances and financing | |||
| Interest income on other financial assets | |||
| Total interest income | |||
| Other fee and commission income [abstract] | |||
| Gross brokerage and other charges | |||
| Underwriting commissions and fund management income | |||
| Other fee and commission income | |||
| Total other fee and commission income | |||
| Dividend income | |||
| Rental income | |||
| Royalty income | |||
| Other revenue | |||
| Total revenue | |||