Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 3,638	$ 3,638
Goodwill, accumulated impairment losses	$ 4,400	$ 4,400

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