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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	May 02, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain on sale			$ 0	$ 1,051	$ 0
Media Business \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from contract with customer				5,300	$ 7,000
Media Business \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal costs				346
Media Business \| Common Limited Partnership Units \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest after disposal	10.00%
Media Business \| Apollo Global Management Inc. \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration	$ 4,300	$ 4,300
Pre-tax gain on sale				1,000
After-tax gain on sale				1,000
Technical services support period	18 months
Media Business \| Apollo Global Management Inc. \| Preferred Limited Partnership Units \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration, limited partnership units	$ 496	$ 750	359
Limited partnership units redeemed			$ 37	$ 100
Media Business \| Apollo Global Management Inc. \| Common Limited Partnership Units \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration, limited partnership units	$ 124
Ownership interest after disposal		10.00%