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Share repurchase program (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 01, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Feb. 21, 2023 | Aug. 04, 2021
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Shares acquired (in shares) |  | 829,718 |  | 829,718 |  |  |
Foreign currency loss |  |  |  | $ 305 | $ 134 |  |
August 4, 2021 Board Authorized Repurchase Program |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Aggregate consideration amount of repurchase program |  |  |  |  |  |  | $ 150
March 1, 2022 Board Authorized Increase |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Aggregate consideration amount of repurchase program | $ 150 |  |  |  |  |  |
Stock repurchase program authorized amount increase | 300 |  |  |  |  |  |
February 2023 Stock Repurchase Program |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Aggregate consideration amount of repurchase program |  | $ 479 |  | $ 479 |  | $ 900 |
Share Repurchase Programs |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Shares acquired (in shares) |  | 456,900 |  | 456,900 |  |  |
August 30, 2020 Board Authorized Repurchase Program |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Foreign currency loss |  | $ 157 | $ 28 | $ 213 | $ 63 |  |
Maximum | March 1, 2022 Board Authorized Increase |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Stock repurchase program aggregate consideration | $ 450 |  |  |  |  |  |

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