Fixed Assets - Composition of Partnership Equipment, Property and Improvements (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 2,338	$ 2,055
Less: accumulated depreciation	1,295	1,192
Less: accumulated software amortization	181	138
Fixed Assets Net, Total	862	725
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	1,178	1,115
Equipment, Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	670	598
Software [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	442	295
Land [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 48	$ 47