Business Combinations - Long Term Income Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Jul. 31, 2021	Dec. 03, 2020	Jul. 31, 2020
Business Acquisition [Line Items]
Intangibles	$ (844)		$ (45)
Federal research and experimentation credit carryforwards	71
Other, net	16		13
Total net long-term deferred income tax liabilities	$ (525)		$ (2)
Credit Karma
Business Acquisition [Line Items]
Intangibles		$ (851)
Federal and state net operating loss carryforwards		138
Federal research and experimentation credit carryforwards		51
Other, net		35
Total net long-term deferred income tax liabilities		$ (627)