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v3.22.4

Stockholders' equity - Components of AOCI (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | $ 6,700 | $ 9,409 | $ 9,673
Foreign currency translation adjustments | 496 | (135) | 9
Ending Balance | 3,661 | 6,700 | 9,409
Cumulative effect of changes in accounting principles, net of taxes |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance |  |  | (2)
Foreign currency translation [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | (844) | (709) | (718)
Foreign currency translation adjustments | 496 | (135) | 9
Income taxes | 0 | 0 | 0
Ending Balance | (348) | (844) | (709)
Cash flow hedges [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 61 | (263) | 175
Unrealized gains | 84 | 159 | (61)
Reclassification adjustments to income | 2 | 253 | (501)
Income taxes | (19) | (88) | 124
Ending Balance | 128 | 61 | (263)
Available-for-sale securities [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 0 | 1 | 22
Unrealized gains | 0 | (1) | 6
Reclassification adjustments to income | 0 | 0 | (33)
Income taxes | 0 | 0 | 6
Ending Balance | 0 | 0 | 1
Other [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | (13) | (14) | (7)
Other gains | 2 | 1 | (7)
Ending Balance | (11) | (13) | (14)
AOCI [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | (796) | (985) | (528)
Foreign currency translation adjustments | 496 | (135) | 9
Unrealized gains | 84 | 158 | (55)
Reclassification adjustments to income | 2 | 253 | (534)
Other gains | 2 | 1 | (7)
Income taxes | (19) | (88) | 130
Ending Balance | $ (231) | $ (796) | (985)
AOCI [Member] | Cumulative effect of changes in accounting principles, net of taxes |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance |  |  | $ 0

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