Revenue - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 1,500	$ 1,100
Contract with customer, liability	142	195	$ 103
Proceeds from deposits from customers	490	0	0
Revenue recognized	177	0	0
New Customer Contracts
Disaggregation of Revenue [Line Items]
Deferred revenue	119	0	$ 0
HSG
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 775	$ 833
Maximum
Disaggregation of Revenue [Line Items]
Long term supply, commitment period (in year)	10 years