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Debt Obligations - Additional Information (Detail) - USD ($)
$ in Millions
9 Months Ended
Apr. 30, 2019
Sep. 30, 2021
Feb. 01, 2021
Dec. 31, 2020
Debt Instrument [Line Items]        
Long term debt currency portion USD   64.00%    
Long term debt currency portion EUR   34.00%    
Long term debt currency portion CHF   2.00%    
Short term debt   $ 2,386   $ 2,674
Line of Credit Facility, Maximum Borrowing Capacity   $ 2,300    
Convertible Debt [Member]        
Debt Instrument [Line Items]        
Principal amount currently outstanding on the debt instruments     $ 491 $ 514
Weighted average interest rate   0.25%    
Short term debt   $ 23    
Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Covenant Description   The net debt to EBITDA ratio limit is 5.00x in the third and fourth quarters of 2021, gradually declines to 4.50x in the first and second quarters of 2022, and continues to gradually decline over the remaining term of the RCF to 3.50x in the first quarter of 2023.    
Long Term Debt Payable Under Revolving Credit Facility   $ 300    
Revolving Credit Facility [Member] | Trache A [Member]        
Debt Instrument [Line Items]        
Revolving credit facility $ 1,150      
Revolving Credit Facility [Member] | Trache A [Member] | Trache A Extension [Member]        
Debt Instrument [Line Items]        
Revolving credit facility $ 1,065      
Line of credit facility, expiration date Apr. 08, 2023      
Revolving Credit Facility [Member] | Trache B [Member]        
Debt Instrument [Line Items]        
Revolving credit facility $ 1,150      
Line of credit facility, expiration date Apr. 08, 2024