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Income Taxes - Additional Information (Detail) ₪ in Millions, $ in Millions		1 Months Ended		12 Months Ended
	Jan. 01, 2017	Oct. 31, 2021 USD ($)	Jul. 31, 2020 USD ($)	Dec. 31, 2023 USD ($) Employee	Dec. 31, 2023 ILS (₪) Employee	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020	Dec. 31, 2016
Income Tax [Line Items]
Balance of accrued potential penalties and interest in unrecognized tax benefits				$ 224		$ 212	$ 210
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense				$ 12		$ 2	$ 37
Statutory tax rate in Israel				23.00%	23.00%	23.00%	23.00%	23.00%
Annual revenue				$ 15,846		$ 14,925	$ 15,878
Expected impairment of income tax benefit			$ 126
With Effect From January 2025 [Member] \| Organization For Economic Cooperation And Development [Member] \| Pillar Two Rules [Member]
Income Tax [Line Items]
Global minimum tax rate percentage				15.00%	15.00%
Israel Tax Authority [Member]
Income Tax [Line Items]
Withholding tax percentage on dividends									8.00%
Israel Tax Authority [Member] \| Tax Year 2008 To 2011 [Member]
Income Tax [Line Items]
Income Tax Examination, Estimate of Possible Loss		$ 350
Tax Carryforwards And Deductions Expiration Period One [Member]
Income Tax [Line Items]
Tax effect of unspecified carryforward losses and deductions				$ 50
Tax Carryforwards And Deductions Expiration Period Two [Member]
Income Tax [Line Items]
Tax effect of unspecified carryforward losses and deductions				924
Tax Carryforwards And Deductions No Expiration [Member]
Income Tax [Line Items]
Tax effect of unspecified carryforward losses and deductions				291
Tax Carryforwards And Deductions Indefinite [Member]
Income Tax [Line Items]
Tax effect of unspecified carryforward losses and deductions				1,196
Amendment 69 to Investment Law [Member]
Income Tax [Line Items]
Payment of corporate tax				577
Exempt Income				9,400
Amendment 68 to Investment Law [Member] \| Israel Tax Authority [Member]
Income Tax [Line Items]
Statutory tax rate in Israel									16.00%
Amendment 68 to Investment Law [Member] \| Israel Tax Authority [Member] \| Development Zonea [Member]
Income Tax [Line Items]
Statutory tax rate in Israel									9.00%
Amendment 73 to Investment Law [Member] \| Israel Tax Authority [Member] \| Development Zonea [Member]
Income Tax [Line Items]
Statutory tax rate in Israel	7.50%
Preferred Enterprise [Member] \| Israel Tax Authority [Member]
Income Tax [Line Items]
Withholding tax percentage on dividends									20.00%
Preferred Enterprise [Member] \| Israel Tax Authority [Member] \| Development Zonea [Member]
Income Tax [Line Items]
Withholding tax percentage on dividends									5.00%
Preferred Technological Enterprises [Member]
Income Tax [Line Items]
Venture capital investment				$ 2
Average growth rate in sales or workforce				25.00%	25.00%
Average growth preceding period in sales or workforce				3 years	3 years
Preferred Technological Enterprises [Member] \| Research and Development Arrangement [Member]
Income Tax [Line Items]
Minimum percentage of investment income				7.00%	7.00%
Minimum investment income				$ 22	₪ 75
Minimum percentage of workforce				20.00%	20.00%
Minimum number of employees employed \| Employee				200	200
Preferred Technological Enterprises [Member] \| Israel Tax Authority [Member]
Income Tax [Line Items]
Statutory tax rate in Israel				12.00%	12.00%
Preferred Technological Enterprises [Member] \| Israel Tax Authority [Member] \| Development Zonea [Member]
Income Tax [Line Items]
Statutory tax rate in Israel				7.50%	7.50%
Special Preferred Technological Enterprise [Member]
Income Tax [Line Items]
Annual revenue				$ 2,900	₪ 10,000
Special Preferred Technological Enterprise [Member] \| Israel Tax Authority [Member]
Income Tax [Line Items]
Statutory tax rate in Israel				6.00%	6.00%
Withholding tax percentage on dividends				4.00%	4.00%
Minimum [Member] \| Tax Carryforwards And Deductions Expiration Period One [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2024	Dec. 31, 2024
Minimum [Member] \| Tax Carryforwards And Deductions Expiration Period Two [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2026	Dec. 31, 2026
Minimum [Member] \| Tax Carryforwards And Deductions No Expiration [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2034	Dec. 31, 2034
Maximum [Member] \| Tax Carryforwards And Deductions Expiration Period One [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2025	Dec. 31, 2025
Maximum [Member] \| Tax Carryforwards And Deductions Expiration Period Two [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2033	Dec. 31, 2033