v3.21.1
Contracted concessional assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Contracted Concessional Assets [Abstract]      
Contracted concessional assets $ 7,987,180   $ 8,155,418
Amount of decrease in the contracted concessional assets cost 35,000    
Impairment provision based on expected credit losses on contracted concessional financial assets (18,000)    
Impairment loss on contracted concessional financial assets 0 $ 0  
Reversal of impairment losses   $ 30,000  
Financial assets under IFRIC 12 [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 853,950   849,149
Financial assets under IFRS 16 lessor [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 2,884   2,941
Intangible assets under IFRIC 12 [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 6,818,433   7,024,789
Intangible assets under IFRS 16 lessee [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 56,170   56,170
Other intangible assets [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 7,217   7,689
Property, plant and equipment [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 250,615   214,680
Cost [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 10,690,638   10,824,037
Cost [Member] | Financial assets under IFRIC 12 [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 923,932   936,837
Cost [Member] | Financial assets under IFRS 16 lessor [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 2,884   2,941
Cost [Member] | Intangible assets under IFRIC 12 [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 9,312,437   9,467,309
Cost [Member] | Intangible assets under IFRS 16 lessee [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 64,878   66,230
Cost [Member] | Other intangible assets [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 13,785   13,800
Cost [Member] | Property, plant and equipment [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 372,722   336,920
Amortization and Impairment [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets (2,703,458)   (2,668,619)
Amortization and Impairment [Member] | Financial assets under IFRIC 12 [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets (69,982)   (87,689)
Amortization and Impairment [Member] | Financial assets under IFRS 16 lessor [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets 0   0
Amortization and Impairment [Member] | Intangible assets under IFRIC 12 [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets (2,494,004)   (2,442,520)
Amortization and Impairment [Member] | Intangible assets under IFRS 16 lessee [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets (10,795)   (10,060)
Amortization and Impairment [Member] | Other intangible assets [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets (6,569)   (6,111)
Amortization and Impairment [Member] | Property, plant and equipment [Member]      
Contracted Concessional Assets [Abstract]      
Contracted concessional assets $ (122,107)   $ (122,240)