Business and Basis of Presentation - Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Long-Lived Assets Held-for-sale [Line Items]
Cash	$ 20		$ 0
Assets held for sale	221	$ 0
Liabilities held for sale	50	$ 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	20
Goodwill and other intangible assets	156
Deferred tax assets	3
Other	41
Assets held for sale	221
Other liabilities	50
Liabilities held for sale	$ 50