Deferred Revenue - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Deferred revenue current liabilities	$ 73	$ 34	$ 36
Deferred revenue non-current liabilities	105	$ 103	100
ETC contracts
Disaggregation of Revenue [Line Items]
Deferred revenue current liabilities	33		29
Deferred revenue non-current liabilities	$ 102		$ 100

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details