v3.20.4
Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives - Restructuring Accruals - Footnotes (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]      
Restructuring reserve $ 798 [1] $ 816 [2] $ 1,161
Other Current Liabilities [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring reserve 628 641  
Other Noncurrent Liabilities [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring reserve $ 169 $ 175  
[1] Included in Other current liabilities ($628 million) and Other noncurrent liabilities ($169 million).
[2] Included in Other current liabilities ($641 million) and Other noncurrent liabilities ($175 million).