Taxes on Income (Temporary Differences That Created Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net unrealized loss on available for sale securities	$ 7,159	$ 347
Employee compensation, severance, and benefits	251	237
Operating lease liabilities	242	225
Reserves and allowances	69	74
Net operating loss carryforwards	9	8
Other	185	87
Total deferred tax assets	7,915	978
Valuation allowance	(9)	(8)
Deferred tax assets — net of valuation allowance	7,906	970
Deferred tax liabilities:
Amortization of acquired intangible assets	(1,837)	(1,888)
Operating lease ROU assets	(224)	(210)
Capitalized internal-use software development costs	(187)	(142)
Equipment, office facilities, and property	(151)	(91)
Other	(137)	(121)
Total deferred tax liabilities	(2,536)	(2,452)
Deferred tax asset — net	$ 5,370	0
Deferred tax (liability) — net		$ (1,482)