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Significant Restructuring Costs - Additional Information (Detail)
$ in Millions
3 Months Ended 39 Months Ended
Dec. 31, 2019
USD ($)
Employees
Plant
Dec. 31, 2018
USD ($)
Dec. 31, 2019
Employees
Plant
Restructuring Cost and Reserve [Line Items]      
Restructuring and impairment costs | $ $ 111 $ 0  
Number of employees to be severed     11,200
Number of employees severed 8,100   8,100
Number of plants to be closed | Plant     9
Plants closed | Plant 8   8
Building Technologies & Solutions      
Restructuring Cost and Reserve [Line Items]      
Number of employees to be severed     9,000
Number of plants to be closed | Plant     9
Corporate Segment      
Restructuring Cost and Reserve [Line Items]      
Number of employees to be severed     2,200