Derivative Instruments and Hedging Activities - Effect of Derivative Instruments Designated as Cash Flow Hedges and Not Designated as Hedges on Consolidated Statement of Income (Loss) (Detail) - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivatives designated as hedges
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ (392)	$ (87)	$ (755)	$ (260)
Derivatives designated as hedges | Cross currency swaps
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ (362)	$ (89)	$ (653)	$ (267)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of services and sales	Cost of services and sales	Cost of services and sales	Cost of services and sales
Derivatives designated as hedges | Commodity contracts
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ (20)		$ (85)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Total Revenue	Total Revenue	Total Revenue	Total Revenue
Derivatives designated as hedges | Foreign exchange contracts
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ (10)	$ 2	$ (17)	$ 7
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of services and sales	Cost of services and sales	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	$ 8	$ (45)	$ (30)	$ (19)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of services and sales	Cost of services and sales	Cost of services and sales	Cost of services and sales