Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Intangible assets:
Intangible assets, acquired cost	$ 117	$ 108
Less: accumulated amortization	(66)	(61)
Intangible assets, net	51	47
Goodwill	12	10
Customer relationships
Intangible assets:
Intangible assets, acquired cost	50	50
Developed technology
Intangible assets:
Intangible assets, acquired cost	31	31
Franchise rights
Intangible assets:
Intangible assets, acquired cost	$ 36	$ 27

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details