v3.25.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract]        
Cash payments related to operating lease liabilities [1] $ 131 $ 131    
Interest Paid 315 282    
Right-of-use assets recorded in exchange for operating lease liabilities 36 (98)    
Increase (decrease) in accounts payable for purchases of property and equipment 0 (2)    
Purchase of property and equipment under capital leases and installment purchases 6 18    
Cash and cash equivalents 60   $ 100  
Restricted cash and cash equivalents, current 174   170  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents [2] 278 $ 298 295 $ 281
Continuing Operations        
Cash and cash equivalents 60   100  
Restricted cash and cash equivalents, current 174   170  
Restricted Cash and Cash Equivalents, Noncurrent 5   5  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents 239   275  
Discontinued Operations        
Cash and cash equivalents 38   19  
Restricted cash and cash equivalents, current 1   1  
Restricted Cash and Cash Equivalents, Noncurrent 0   0  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents 39   20  
Consolidated - Continuing and Discontinued Operations        
Cash and cash equivalents 98   119  
Restricted cash and cash equivalents, current 175   171  
Restricted Cash and Cash Equivalents, Noncurrent 5   5  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents $ 278   $ 295  
[1] Excludes the Company's contingent payments pursuant to operating leases, which are recorded as expense in the period such contingencies are resolved.
[2] Inclusive of cash and cash equivalents and restricted cash and cash equivalents included in discontinued operations. See note 12.