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Commitments and contingencies - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) aircraft | Jun. 30, 2023 USD ($) aircraft
Aircraft |  |
Other Commitments [Line Items] |  |
Remainder of 2023 | $ | $ 1,200 | $ 1,200
2024 | $ | 2,100 | 2,100
2025 | $ | 992 | 992
2026 | $ | 1,400 | 1,400
2027 | $ | 1,100 | 1,100
2028 | $ | 1,300 | 1,300
Thereafter | $ | $ 4,300 | $ 4,300
-7 Firm Orders |  |
Other Commitments [Line Items] |  |
Exercised | aircraft | 30 |
-7 Firm Orders | 2022 Contractual Deliveries |  |
Other Commitments [Line Items] |  |
Number of aircrafts to be delivered | aircraft | 14 | 14
-8 Firm Orders |  |
Other Commitments [Line Items] |  |
Exercised | aircraft | 24 |
MAX aircrafts to be delivered this year | aircraft | 70 | 70
-8 Firm Orders | 2022 Contractual Deliveries |  |
Other Commitments [Line Items] |  |
Number of aircrafts to be delivered | aircraft | 32 | 32
B737-7Max |  |
Other Commitments [Line Items] |  |
MAX aircrafts to be delivered this year | aircraft | 26 | 26
-7 or -8 Options | 2022 Contractual Deliveries |  |
Other Commitments [Line Items] |  |
Number of aircrafts to be delivered | aircraft | 46 | 46
B737-8Max And B737-7Max | Aircraft |  |
Other Commitments [Line Items] |  |
Remainder of 2023 | $ | $ 956 | $ 956
Long-term purchase commitment | aircraft |  | 46

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