Pension and Postretirement Benefit Plans - Narrative (Detail) - Pension Plan [Member] $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	$ 83
International [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	$ 98