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Business and Basis of Presentation - Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Long-Lived Assets Held-for-sale [Line Items]
Cash	$ 25		$ 0
Assets held for sale	227	$ 0
Liabilities held for sale	51	$ 0
Disposal Group, Held-for-sale, Not Discontinued Operations | Sound Point Agreement
Long-Lived Assets Held-for-sale [Line Items]
Short-term investments	1
Cash	25
Goodwill and other intangible assets	155
Deferred tax assets	5
Other	41
Assets held for sale	227
Other liabilities	51
Liabilities held for sale	$ 51

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