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Subsequent events (Details)	Nov. 04, 2025 USD ($)	Oct. 14, 2025 USD ($)	Nov. 05, 2025 USD ($)	Nov. 02, 2025 USD ($) data_center	Sep. 30, 2025 USD ($)
Subsequent Event [Line Items]
Revenue, remaining performance obligation, amount					$ 195,027,000
Lease not yet commenced, total					$ 198,000,000
Subsequent event
Subsequent Event [Line Items]
Average contract term				5 years
Revenue, remaining performance obligation, amount				$ 9,700,000,000
Payable portion per tranche, percentage				0.20
Contractual obligation				$ 5,800,000,000
Number of data center facility | data_center				4
Contract lease term			24 months
Lease not yet commenced, total			$ 199,800,000
Price upon maturity	$ 1
Subsequent event | Convertible debt | Capped call contract
Subsequent Event [Line Items]
Net proceeds used to purchase the capped call transactions		$ 56,700,000
Subsequent event | Convertible Senior Notes due 2031 | Convertible debt
Subsequent Event [Line Items]
Aggregate principal amount		$ 1,000,000,000
Stated interest rate		0.00%
Proceeds from convertible notes		$ 979,000,000

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