Acquisitions and Divestitures - Verizon Media (Details) - Media Business - USD ($) $ in Millions			3 Months Ended	9 Months Ended
	Sep. 01, 2021	May 02, 2021	Sep. 30, 2021	Sep. 30, 2021	Sep. 28, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal costs			$ 346	$ 346
Assets:
Cash, cash equivalents and restricted cash	$ 168
Accounts receivable	1,597
Prepaid expenses and other	134
Property, plant and equipment, net	1,235
Other intangible assets, net	2,579
Other assets	221
Total assets	5,934
Liabilities:
Accounts payable and accrued liabilities	1,411
Other current liabilities	315
Other liabilities	310
Total liabilities	$ 2,036
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.
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			1,100	1,100
After-tax gain on sale			1,100	$ 1,100
Liabilities:
Administrative services support period				12 months
Technical services support period				18 months
Apollo Global Management Inc. | Preferred Limited Partnership Units
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration, limited partnership units	496	$ 750	$ 396	$ 396
Limited partnership units redeemed					$ 100
Apollo Global Management Inc. | Common Limited Partnership Units
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%