Benefit Plans - Actual Overall Asset Allocation for U.S. And Non-U.S. Plans as Compared to Investment Policy Goals (Detail)	Dec. 31, 2021	Dec. 31, 2020
Fixed income
Plan Assets
Asset allocation	67.00%	70.00%
Target Allocation
Asset allocation	68.00%	71.00%
Other securities
Plan Assets
Asset allocation	32.00%	30.00%
Target Allocation
Asset allocation	32.00%	29.00%
Cash
Plan Assets
Asset allocation	1.00%	0.00%
Target Allocation
Asset allocation	0.00%	0.00%