Derivative Financial Instruments - Schedule of Derivative Instruments Designated As Hedging Instrument Effect on Condensed Consolidated Statements of Comprehensive Income (Details) - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - Foreign exchange contracts [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivative [Line Items]
Gain recognized in OCI (effective element)	$ 0	$ 1
(Loss)/gain reclassified from Accumulated OCL into income (effective element)	$ 0	$ (1)
Revenue [Member]
Derivative [Line Items]
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]	Revenues	Revenues
(Loss)/gain reclassified from Accumulated OCL into income (effective element)	$ (1)	$ 0
Salaries and Benefits [Member]
Derivative [Line Items]
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]	Labor and Related Expense	Labor and Related Expense
(Loss)/gain reclassified from Accumulated OCL into income (effective element)	$ 1	$ (1)