Business Combinations - Preliminary Allocation of Aggregate Purchase Price (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 12, 2022	Apr. 01, 2022
Assets:
Goodwill	$ 10,126		$ 2,873
Avast plc
Assets:
Accounts receivable		$ 61
Other current assets		18
Property and equipment		31
Operating lease assets		18
Intangible assets	$ 2,383	2,383
Goodwill		7,267
Other long-term assets		10
Total assets acquired		9,788
Liabilities:
Current liabilities		180
Contract liabilities		508
Operating lease liabilities		18
Long-term deferred tax liabilities		345
Other long-term obligations		46
Total liabilities assumed		1,097
Total purchase price		$ 8,691