Fixed Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 567	$ 499	$ 461
Weighted average amortization period for software	5 years	5 years
Capitalized software costs not yet placed in service	$ 133
Purchase of equipment, property and improvements, net	456	$ 302	234
Equipment, Property and Improvements [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	148	126	113
Software [Member]
Property, Plant and Equipment [Line Items]
Amortization expense on software	$ 75	$ 43	$ 16