v3.26.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
 [3]
Supplemental Cash Flow Elements [Abstract]        
Cash payments related to operating lease liabilities [1] $ 259 $ 260    
Interest Paid 466 478    
Income Tax Paid, after Refund Received 9 9    
Right-of-use assets recorded in exchange for operating lease liabilities 62 76    
Increase (decrease) in accounts payable for purchases of property and equipment (3) 0    
Purchase of property and equipment under capital leases and installment purchases 21 13    
Cash and cash equivalents 1,042   $ 99  
Restricted cash and cash equivalents, current 207   170  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents 1,254 [2] $ 274 [2] 308 [3] $ 295
Continuing Operations        
Cash and cash equivalents 1,042   99  
Restricted cash and cash equivalents, current 207   170  
Restricted Cash and Cash Equivalent, Noncurrent 5   5  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents 1,254   274  
Discontinued Operations        
Cash and cash equivalents 0   33  
Restricted cash and cash equivalents, current 0   1  
Restricted Cash and Cash Equivalent, Noncurrent 0   0  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents 0   34  
Consolidated - Continuing and Discontinued Operations        
Cash and cash equivalents 1,042   132  
Restricted cash and cash equivalents, current 207   171  
Restricted Cash and Cash Equivalent, Noncurrent 5   5  
Cash, Cash Equivalents, Restricted Cash and Cash Equivalents $ 1,254   $ 308  
[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 for the period ended June 30, 2025.
[3] Inclusive of cash and cash equivalents and restricted cash and cash equivalents included in discontinued operations. See note 12.