v3.25.2
Financing - Summary of Debt (Detail) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Total principal amount of debt $ 7,359.5 $ 9,358.5
Less: Original issue discount, net of amortization (56.4) (60.5)
Less: Debt issuance costs, net of amortization (53.4) (59.6)
Less: Current portion 0.0 0.0
Total long-term debt 7,249.7 9,238.4
7.125% Senior Notes Due July 2028 [Member]    
Debt Instrument [Line Items]    
Senior notes 641.6 641.6
5.00% Senior Notes Due March 2027 [Member]    
Debt Instrument [Line Items]    
Senior notes 750.0 750.0
8.25% Senior Notes Due 2027 [Member]    
Debt Instrument [Line Items]    
Senior notes 866.9 866.9
9.50% Senior Secured Notes Due December 2031 [Member]    
Debt Instrument [Line Items]    
Senior notes 1,000.0 1,000.0
4.75% Senior Secured Notes Due September 2029 [Member]    
Debt Instrument [Line Items]    
Senior secured notes 951.0 1,250.0
6.00% Senior Secured Notes Due 2026 [Member]    
Debt Instrument [Line Items]    
Senior secured notes 0.0 1,500.0
Senior Secured Term Loan Due December 2029 [Member]    
Debt Instrument [Line Items]    
Senior secured notes 3,150.0 3,150.0
Senior Secured Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Senior secured revolving credit facility $ 0.0 $ 200.0