Employee Benefits - Sensitivity of Disclosures to Changes in Selected Assumptions (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
25 BP Decrease in Discount Rate, Change in ABO	$ 2
25 BP Decrease in Discount Rate, Change in pension expense	0
U.S Plans [Member] | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
25 BP Decrease in Discount Rate, Change in PBO	19
25 BP Decrease in Discount Rate, Change in ABO	19
25 BP Decrease in Discount Rate, Change in pension expense	0
25 BP Decrease in Long-Term Rate of Return, Change in pension expense	1
Non-U.S. Plans [Member] | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
25 BP Decrease in Discount Rate, Change in PBO	77
25 BP Decrease in Discount Rate, Change in ABO	73
25 BP Decrease in Discount Rate, Change in pension expense	5
25 BP Decrease in Long-Term Rate of Return, Change in pension expense	$ 3