Derivative Instruments - Summary of Effect of Fair Value and Cash Flow Hedge Accounting on Consolidated Statement of Income (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivative Instrument Detail [Abstract]
Gains (losses) recognized in earnings related discontinuance of cash flow hedges	$ 7	$ 11
OCI, Cash Flow Hedge, Reclassification for Discontinuance, Statement of Income or Comprehensive Income [Extensible Enumeration]	Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax