Pension - Components of Net Periodic Pension Benefit (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 7
Interest cost	32
Expected return on plan assets	$ (74)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax
Net periodic pension benefit	$ (35)