Commitments and Contingencies - Additional Information (Details) $ in Millions, € in Billions			1 Months Ended
	Mar. 18, 2021 USD ($)	Mar. 16, 2020 EUR (€)	Aug. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)
VirnetX | Pending Litigation
Commitments and Contingencies Disclosure [Line Items]
Award from legal proceedings, due to other party				$ 503
iOS Performance Management | Litigation, final court approval
Commitments and Contingencies Disclosure [Line Items]
Award from legal proceedings, due to other party	$ 310
French Competition Authority | Pending Litigation
Commitments and Contingencies Disclosure [Line Items]
Award from legal proceedings, due to other party | €		€ 1.1
Optis | Pending Litigation
Commitments and Contingencies Disclosure [Line Items]
Award from legal proceedings, due to other party			$ 300