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Share repurchase program (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Feb. 21, 2023
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Shares acquired (in shares) | 425,913 |  | 425,913 |  |
Foreign currency loss |  |  | $ 498 | $ 265 |
February 2023 Stock Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Aggregate consideration amount of repurchase program | $ 157 |  | $ 157 |  | $ 900
Share Repurchase Programs |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Shares acquired (in shares) | 570,049 |  | 570,049 |  |
August 30, 2020 Board Authorized Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Foreign currency loss | $ 173 | $ 45 | $ 386 | $ 108 |

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