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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Acquisitions and Divestitures - Verizon Media Divestiture (Details) - USD ($) $ in Millions		12 Months Ended
	Sep. 01, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain on sale		$ 0	$ 0	$ 1,051
Discontinued Operations, Disposed of by Sale \| Media Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from contract with customer				5,300
Discontinued Operations, Disposed of by Sale \| Media Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal costs				346
Discontinued Operations, Disposed of by Sale \| Media Business \| Common Limited Partnership Units
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest after disposal	10.00%
Apollo Global Management Inc. \| Discontinued Operations, Disposed of by Sale \| Media Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration	$ 4,300
Pre-tax gain on sale				1,000
After-tax gain on sale				$ 1,000
Apollo Global Management Inc. \| Discontinued Operations, Disposed of by Sale \| Media Business \| Preferred Limited Partnership Units
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration, limited partnership units	496
Apollo Global Management Inc. \| Discontinued Operations, Disposed of by Sale \| Media Business \| Common Limited Partnership Units
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration, limited partnership units	$ 124