Revenue recognition - Narrative (Details) $ in Millions |
6 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
| |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Revenue recognized | $ 93 |
| Remaining performance obligation, amount | $ 11,700 |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Remaining performance obligation (as percent) | 70.00% |
| Remaining performance obligation, period (in months) | 12 months |