Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Deficit - Additional Information (Detail)

v3.21.1
Shareholders' Deficit - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended
Feb. 09, 2021
Jan. 31, 2021
Mar. 31, 2021
Mar. 31, 2020
Feb. 08, 2021
Dec. 31, 2020
Stockholders Equity [Line Items]            
Share repurchase program authorized amount $ 1,500,000,000   $ 1,500,000,000      
Share repurchase program, remaining authorized capacity     $ 1,480,000,000   $ 7,900,000  
Share repurchase program expiration date Oct. 30, 2023   Feb. 09, 2024      
Shares repurchases, value     $ 645,000,000.0 $ 4,700,000    
Repurchase of common stock, shares       0    
Treasury stock shares, at cost     10,000,000.0     10,000,000.0
Repurchase of common stock, shares     13,400,000 100,000    
Shares repurchases, inclusive of transaction costs     $ 621,300,000 $ 0    
Withheld for tax purpose for share-based compensation plans     23,700,000 4,700,000    
Other comprehensive income (loss) before foreign currency translation adjustments reclassifications, tax expense (benefit)     $ 1,500,000 (2,500,000)    
Other comprehensive loss before unrealized gain (loss) on derivatives adjustments reclassifications, tax expense (benefit)       (300,000)    
Common Stock [Member]            
Stockholders Equity [Line Items]            
Share price     $ 48.00      
Shares repurchases, value     $ 0 $ 0    
Repurchase of common stock, shares     13,000,000.0      
Repurchase of common stock, value     $ 621,300,000      
Open Market Repurchase Plan [Member] | Common Stock [Member]            
Stockholders Equity [Line Items]            
Share price     $ 46.63      
Repurchase of common stock, shares     500,000      
Repurchase of common stock, value     $ 21,300,000      
Icahn Parties [Member] | Common Stock [Member]            
Stockholders Equity [Line Items]            
Share price   $ 48.05        
Repurchase of common stock, shares   12,500,000        
Repurchase of common stock, value   $ 600,000,000.0