Annual report pursuant to Section 13 and 15(d)

Shareholders' Deficit - Additional Information (Detail)

v3.22.4
Shareholders' Deficit - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Feb. 09, 2021
Aug. 31, 2022
Jan. 31, 2021
Aug. 31, 2020
Aug. 31, 2018
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Feb. 08, 2021
Stockholders Equity [Line Items]                  
Repurchase of common stock, shares             20,400,000 18,400,000  
Common shares, shares outstanding           97,900,000 100,800,000 120,100,000  
Preference shares authorized           7,500,000      
Preference shares par value           $ 0.002      
Share repurchase program authorized amount $ 1,500.0         $ 1,500.0      
Share repurchase program, remaining authorized capacity           $ 985.5     $ 7.9
Share repurchase program expiration date Oct. 30, 2023         Feb. 09, 2024      
Shares repurchases, value           $ 146.7 $ 1,011.3 $ 923.5  
Share repurchases           $ 146.7 $ 1,011.3 $ 923.5  
Repurchase of common stock, shares           4,100,000 21,000,000.0 19,000,000.0  
Treasury stock shares, at cost           0 10,000,000.0    
Treasury Stock, Shares, Retired   10,000,000.0       10,000,000.0      
Decrease in value of treasury stock           $ 0.0 $ (328.9)    
Shares repurchases, inclusive of transaction costs and issuance of CVR value           131.8 982.7 $ 893.9  
Withheld for tax purpose for share-based compensation plans           14.9 28.6 29.6  
Repurchase of common stock, value           146.7 1,011.3 923.5  
Other comprehensive loss before unrealized gain (loss) on derivatives adjustments reclassifications, tax expense (benefit)               0.6  
Other comprehensive income (loss) before foreign currency translation adjustments reclassifications, tax expense (benefit)           $ 1.1 $ 0.2 (2.0)  
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax               $ 0.2  
Open market purchases [Member] | Common Stock[Member]                  
Stockholders Equity [Line Items]                  
Repurchase of common stock, shares           3,700,000   3,000,000.0  
Share price           $ 35.73 $ 48.17    
Treasury stock acquired, average cost per share               $ 47.40  
Repurchase of common stock, shares             7,900,000    
Repurchase of common stock, value           $ 131.8 $ 382.7 $ 142.1  
Open market purchases [Member] | Indirect wholly owned subsidiary [Member]                  
Stockholders Equity [Line Items]                  
Repurchase of common stock Per share             $ 48.10 $ 48.53  
Repurchase of common stock, value             $ 982.7 $ 892.1  
August 2020 Dutch Auction Tender Offer [Member]                  
Stockholders Equity [Line Items]                  
Share repurchases         $ 750.0        
Treasury stock acquired, average cost per share       $ 48.75          
Repurchase of common stock, shares       15,400,000          
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     $ 600.0