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Basis of Presentation (Details) - USD ($) $ in Millions	6 Months Ended
Basis of Presentation (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill, net	$ 2,751	$ 2,820
Discontinued Operations, Disposed of by Means Other than Sale, Donation \| PARC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill written off, before-tax	115
Goodwill written off, after-tax	$ 110

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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