Derivative Instruments and Hedging Activities - Effect of Derivative Instruments Designated as Cash Flow Hedges and Not Designated as Hedges on Consolidated Statement of Income (Detail) - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivatives designated as hedges
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ 78	$ (169)
Derivatives designated as hedges | Cross currency interest rate swaps
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ 95	$ (131)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of services and sales	Cost of services and sales
Derivatives designated as hedges | Cross currency interest rate swaps
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ (22)	$ (21)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest	Interest
Derivatives designated as hedges | Commodity contracts
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ 2	$ (15)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Total Revenue	Total Revenue
Derivatives designated as hedges | Foreign exchange contracts
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ 3	$ (2)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of services and sales	Cost of services and sales
Derivatives not designated as hedges | Foreign exchange contracts
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ 1	$ (11)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of services and sales	Cost of services and sales