Contracted concessional assets (Tables)

3 Months Ended

Mar. 31, 2019

Contracted concessional assets [Abstract]

Movements of contracted concessional assets

The detail of contracted concessional assets included in the heading ‘Contracted concessional assets’ as of March 31, 2019 and December 31, 2018 is as follows:

	Balance as of March 31,			Balance as of December 31,
	2019			2018
	($ in thousands)
Contracted concessional assets cost		10,373,619			10,475,828
Amortization and impairment		(1,984,111	)		(1,926,647	)
Total		8,389,508			8,549,181