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v3.25.0.1

Stockholders' equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 700,000 | 0 | 26,100,000
Stock repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200 |  | $ 6,300
Amount available for stock repurchases under a board approved stock repurchase plan | $ 6,800 |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,800 |  |
Common stock, dividends declared per share (in usd per share) | $ 2.38 | $ 2.25 | $ 2.25 | $ 2.25 | $ 2.25 | $ 2.13 | $ 2.13 | $ 2.13 | $ 2.13 | $ 1.94 | $ 1.94 | $ 1.94 | $ 1.94 | $ 9.13 | $ 8.64 | $ 7.95
Income taxes expense (benefit) for unrealized gains and losses for cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 105 | $ 6 | $ 19
Income taxes expense or (benefit) for unrealized gains and losses for cash flow hedges and related reclassifications |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (25) | $ (50) | $ 0
Preferred stock shares authorized (in shares) | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |
Preferred stock, par value (in usd per share) | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |
Preferred stock, shares outstanding (in shares) | 0 |  |  |  | 0 |  |  |  |  |  |  |  |  | 0 | 0 |
Preferred stock, shares issued (in shares) | 0 |  |  |  | 0 |  |  |  |  |  |  |  |  | 0 | 0 |
Accelerated stock repurchase agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,800,000

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