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Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]        
Cash payments related to operating lease liabilities [1] $ 142 $ 139    
Interest Paid 249 225    
Income taxes paid (refunded) (2) 0    
New ROU assets obtained in exchange for operating lease liabilities 30 140    
Increase (decrease) in accounts payable for purchases of property and equipment 2 (8)    
Purchase of property and equipment under capital leases and installment purchases 21 1    
Cash and cash equivalents 187   $ 156  
Restricted cash, current 196   166  
Restricted Cash, Noncurrent 5   5  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 388 $ 482 $ 327 $ 466
[1] Excludes the Company's contingent payments pursuant to operating leases, which are recorded as expense in the period such contingencies are resolved.