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Intangibles (Tables)

12 Months Ended

Dec. 31, 2020

Intangibles

Schedule of changes in intangibles

										Research
										and development
		Goodwill		Concessions		Contract right		Software		project and patents		Total
Balance at December 31, 2018		3,653		4,061		137		111		—		7,962
Additions		—		439		—		39		—		478
Disposals		—		(17)		—		—		—		(17)
Amortization		—		(239)		(2)		(66)		—		(307)
Impairment (note 18)		—		(112)		—		(11)		—		(123)
Acquisition of subsidiary		—		3		—		1		724		728
Translation adjustment		(24)		(165)		5		2		(40)		(222)
Balance at December 31, 2019		3,629		3,970		140		76		684		8,499
Cost		3,629		5,090		248		888		684		10,539
Accumulated amortization		—		(1,120)		(108)		(812)		—		(2,040)
Balance at December 31, 2019		3,629		3,970		140		76		684		8,499
Additions		—		2,513		—		29		—		2,542
Disposals		—		(7)		(134)		—		—		(141)
Amortization		—		(177)		(1)		(23)		—		(201)
Translation adjustment		(331)		(908)		(5)		(6)		(153)		(1,403)
Balance at December 31, 2020		3,298		5,391		—		76		531		9,296
Cost		3,298		6,393		102		743		531		11,067
Accumulated amortization		—		(1,002)		(102)		(667)		—		(1,771)
Balance at December 31, 2020		3,298		5,391		—		76		531		9,296

Schedule of estimated useful lives of intangibles

		Useful life
Railways concessions		3 to 50 years
Usufruct		22 to 31 years
Software		5 years

X

- Definition

The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill]

+ References

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X

- Definition

The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill]

+ References

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