The average price of a hedging instrument. [Refer: Hedging instruments [member]]

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The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

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The nominal amount of a hedging instrument. [Refer: Hedging instruments [member]]

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A component of equity representing the accumulated change in the value of the time value of options when separating the intrinsic value and time value of an option contract and designating as the hedging instrument only the changes in the intrinsic value.

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Financial instruments and risk management - Jet fuel price risk (Details) gal in Thousands, $ in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021 MXN ($)	Dec. 31, 2020 MXN ($) gal	Dec. 31, 2019 MXN ($)	Dec. 31, 2018 MXN ($)	Dec. 31, 2021 USD ($) gal $ / gal
Jet fuel price risk
Fair value of derivative financial liabilities		$ (9,657)
Intrinsic value recycled to the fuel cost	$ 1,271,462
Loss from derivatives financial instruments recognized in consolidated statements of operations	$ (14,020)	$ (1,306,557)	$ (67,629)
Jet fuel
Jet fuel price risk
Percentage of operating expenses	34.00%	26.00%	38.00%
Intrinsic value recycled to the fuel cost		$ 33,627
Fuel cost
Jet fuel price risk
Intrinsic value recycled to the fuel cost	$ 835,884		$ 9,477	$ 9,477
Fuel cost \| Jet fuel
Jet fuel price risk
Intrinsic value recycled to the fuel cost		20,646
Finance cost
Jet fuel price risk
Intrinsic value recycled to the fuel cost	435,578
Finance cost \| Jet fuel
Jet fuel price risk
Intrinsic value recycled to the fuel cost		$ 12,981
Jet fuel Asian call options contracts
Jet fuel price risk
Notional volume (in gallons) \| gal		23,967
Fair value of derivative financial assets		$ 206
Cost of hedging recognized in other comprehensive income		$ (133,567)			$ 21,650
Jet fuel Asian call options contracts \| Jet fuel
Jet fuel price risk
Intrinsic value recycled to the fuel cost			$ 61,069
Jet fuel Asian call options contracts \| Within one year
Jet fuel price risk
Notional volume (in gallons) \| gal					7,280
Strike price agreed rate \| $ / gal					1.90
Approximate percentage of hedge (of expected consumption value)					3.00%
Jet fuel Asian call options contracts \| Within six months
Jet fuel price risk
Notional volume (in gallons) \| gal					7,280
Strike price agreed rate \| $ / gal					1.90
Approximate percentage of hedge (of expected consumption value)					6.00%
Jet fuel Asian call options contracts \| Finance cost \| Jet fuel
Jet fuel price risk
Intrinsic value recycled to the fuel cost	$ 12,577
Jet fuel Zero-Cost collars
Jet fuel price risk
Notional volume (in gallons) \| gal		81,646
Fair value of derivative financial liabilities		$ 9,657
Unwind of Zero cost collar		$ 42,643
Jet fuel Zero-Cost collars \| Within one year
Jet fuel price risk
Notional volume (in gallons) \| gal					7,556
Approximate percentage of hedge (of expected consumption value)					3.00%
Jet fuel Zero-Cost collars \| Within one year \| Jet fuel \| Minimum
Jet fuel price risk
Strike price agreed rate \| $ / gal					1.23
Jet fuel Zero-Cost collars \| Within one year \| Jet fuel \| Maximum
Jet fuel price risk
Strike price agreed rate \| $ / gal					1.93
Jet fuel Zero-Cost collars \| Within six months
Jet fuel price risk
Notional volume (in gallons) \| gal					7,556
Approximate percentage of hedge (of expected consumption value)					6.00%
Jet fuel Zero-Cost collars \| Within six months \| Jet fuel \| Minimum
Jet fuel price risk
Strike price agreed rate \| $ / gal					1.23
Jet fuel Zero-Cost collars \| Within six months \| Jet fuel \| Maximum
Jet fuel price risk
Strike price agreed rate \| $ / gal					1.93
All-in \| Within one year
Jet fuel price risk
Approximate percentage of hedge (of expected consumption value)					6.00%
All-in \| Within six months
Jet fuel price risk
Approximate percentage of hedge (of expected consumption value)					12.00%