Revenue from contracts with customers - Additional Information (Detail) $ in Billions |
6 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
| |
| Revenue from Contract with Customer [Abstract] | |
| Revenue, remaining performance obligation, amount | $ 8.8 |
| Revenue, remaining performance obligation, percentage | 79.00% |
| Revenue, remaining performance obligation, period | 24 months |