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, 2022 USD ($) Employee	Dec. 31, 2022 ILS (₪) Employee	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2016
Income Tax [Line Items]
Balance of accrued potential penalties and interest in unrecognized tax benefits				$ 212		$ 210	$ 173
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense				$ 2		$ 37	$ 9
Statutory tax rate in Israel				23.00%	23.00%	23.00%	23.00%
Annual revenue				$ 14,925		$ 15,878	$ 16,659
Expected impairment of income tax benefit			$ 127
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				98
Tax Carryforwards And Deductions Expiration Period Two [Member]
Income Tax [Line Items]
Tax effect of unspecified carryforward losses and deductions				950
Tax Carryforwards And Deductions No Expiration [Member]
Income Tax [Line Items]
Tax effect of unspecified carryforward losses and deductions				60
Tax Carryforwards And Deductions Indefinite [Member]
Income Tax [Line Items]
Tax effect of unspecified carryforward losses and deductions				1,742
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, 2023	Dec. 31, 2023
Minimum [Member] | Tax Carryforwards And Deductions Expiration Period Two [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2025	Dec. 31, 2025
Minimum [Member] | Tax Carryforwards And Deductions No Expiration [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2033	Dec. 31, 2033
Maximum [Member] | Tax Carryforwards And Deductions Expiration Period One [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2024	Dec. 31, 2024
Maximum [Member] | Tax Carryforwards And Deductions Expiration Period Two [Member]
Income Tax [Line Items]
Expiration period				Dec. 31, 2032	Dec. 31, 2032