Revenue recognition - Narrative (Details) $ in Millions	3 Months Ended
	Sep. 30, 2025 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	$ 75
Remaining performance obligation, amount	$ 11,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01
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