Annual report [Section 13 and 15(d), not S-K Item 405]

Debt - Summary of Debt (Details)

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Debt - Summary of Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Jul. 02, 2024
Dec. 31, 2023
Mar. 31, 2023
Feb. 28, 2023
Debt Instrument [Line Items]          
Outstanding principal $ 3,666        
Deferred financing costs (1)   $ (1)    
Total debt 3,756   3,736    
Debt classified as current (3)   (3)    
Total long-term debt 3,753   3,733    
3.125% Exchangeable senior debentures due 2053          
Debt Instrument [Line Items]          
Outstanding principal 965        
Carrying value $ 951   1,255    
Interest rate (as a percent) 3.125% 3.125%   3.125% 3.125%
3.125% Exchangeable senior debentures due 2054          
Debt Instrument [Line Items]          
Outstanding principal $ 860        
Carrying value $ 946        
Interest rate (as a percent) 3.125% 3.125%      
Senior notes          
Debt Instrument [Line Items]          
Outstanding principal $ 600        
Carrying value 619   623    
Senior credit facility          
Debt Instrument [Line Items]          
Outstanding principal 447        
Carrying value 447   394    
Wells Fargo note payable          
Debt Instrument [Line Items]          
Outstanding principal 4        
Carrying value 4   5    
SPV | Margin loan facility          
Debt Instrument [Line Items]          
Outstanding principal 790        
Carrying value $ 790   $ 1,460