Goodwill and Acquired Intangible Assets - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 56	$ 56	$ 56
Amortized intangible assets			10	$ 8
Expected amortization of 2023	5	5	5
Expected amortization of 2024	4	4	4
Expected amortization of 2025	3	3	3
Expected amortization of 2026	1	1	$ 1
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Amortized intangible assets
Nitro \| Tradename and trademarks
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 56	$ 56

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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