v3.26.1
Capital structure and noncontrolling interests - Schedule of Noncontrolling Interests (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Equity, Attributable to Noncontrolling Interest [Roll Forward]    
Balance, beginning of period $ 990.0 $ 1,013.0
Stock-based compensation 30.0 40.0
Other comprehensive income (loss) (28.0) 47.0
Net income (loss) (51.0) 0.0
Reallocation of noncontrolling interests 0.0 0.0
OP Units reclassification 0.0  
Balance, end of period $ 967.0 $ 1,019.0
Operating Partnership Units    
Equity, Attributable to Noncontrolling Interest [Roll Forward]    
Preferred stock, dividends declared (in dollars per share) $ 0.53 $ 0.53
Operating Partnership Equivalent Unit (OPEU)    
Equity, Attributable to Noncontrolling Interest [Roll Forward]    
Preferred stock, dividends declared (in dollars per share) $ 0.53 $ 0.53
Noncontrolling interests    
Equity, Attributable to Noncontrolling Interest [Roll Forward]    
Distributions $ (13.0) $ (14.0)
Stock-based compensation 13.0 21.0
Other comprehensive income (loss) (3.0) 5.0
Net income (loss) (5.0)  
Reallocation of noncontrolling interests (10.0) (6.0)
OP Units reclassification (5.0)  
Noncontrolling Interest, Operating Partnership Units    
Equity, Attributable to Noncontrolling Interest [Roll Forward]    
Balance, beginning of period 925.0 944.0
Distributions (12.0) (13.0)
Stock-based compensation 13.0 21.0
Other comprehensive income (loss) (3.0) 5.0
Net income (loss) (5.0)  
Reallocation of noncontrolling interests (10.0) (6.0)
OP Units reclassification (5.0)  
Balance, end of period 903.0 951.0
Noncontrolling Interest, Other Consolidated Subsidiaries    
Equity, Attributable to Noncontrolling Interest [Roll Forward]    
Balance, beginning of period 12.0 14.0
Distributions 0.0 0.0
Stock-based compensation 0.0 0.0
Other comprehensive income (loss) 0.0 0.0
Net income (loss) 0.0  
Reallocation of noncontrolling interests 0.0 0.0
OP Units reclassification 0.0  
Balance, end of period 12.0 14.0
Noncontrolling Interest, Other Consolidated Subsidiaries, Operating Partnership Equivalent Units    
Equity, Attributable to Noncontrolling Interest [Roll Forward]    
Balance, beginning of period 53.0 55.0
Distributions (1.0) (1.0)
Stock-based compensation 0.0 0.0
Other comprehensive income (loss) 0.0 0.0
Net income (loss) 0.0  
Reallocation of noncontrolling interests 0.0 0.0
OP Units reclassification 0.0  
Balance, end of period $ 52.0 $ 54.0