Summary of significant accounting policies (Tables)

6 Months Ended

Jun. 30, 2026

Accounting Policies [Abstract]

Summary of Customer and Supplier Concentration Risk

Customer and supplier concentrations consisted of the below:


			Three Months Ended June 30, 2026												Three Months Ended June 30, 2025
			Number of customers or suppliers exceeding 10%			Aggregate Value (in millions)			% of Total						Number of customers or suppliers exceeding 10%			Aggregate Value (in millions)			% of Total
Revenue			3			$	182		57		%				2			$	125		50		%
Purchases			2			$	82		30		%				2			$	53		25		%


			Six Months Ended June 30, 2026												Six Months Ended June 30, 2025
			Number of customers or suppliers exceeding 10%			Aggregate Value (in millions)			% of Total						Number of customers or suppliers exceeding 10%			Aggregate Value (in millions)			% of Total
Revenue			3			$	363		58		%				2			$	247		48		%
Purchases			2			$	148		28		%				1			$	60		14		%


			As of June 30, 2026												As of December 31, 2025
			Number of customers or suppliers exceeding 10%			Aggregate Value (in millions)			% of Total						Number of customers or suppliers exceeding 10%			Aggregate Value (in millions)			% of Total
Accounts receivable			4			$	96		68		%				3			$	59		49		%
Accounts payable			2			$	44		39		%				1			$	25		27		%