v3.26.3
Revenue from contracts with customers - Narrative (Details)
$ in Billions
Sep. 30, 2026
USD ($)
Disaggregation of Revenue [Line Items]  
Revenue, remaining performance obligation, amount $ 10.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01  
Disaggregation of Revenue [Line Items]  
Revenue, remaining performance obligation, percentage 71.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period 24 months