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Contingencies (Details)
$ in Millions
 1 Months Ended 2 Months Ended 3 Months Ended
Feb. 28, 2022
USD ($)
Jan. 31, 2020
stockholder
Mar. 31, 2022
lawsuit
child
class
Sleeper      
Loss Contingencies [Line Items]      
Number of additional lawsuits pending     40
Number of children with injuries or fatalities related to lawsuits | child     44
Whistleblower Letter      
Loss Contingencies [Line Items]      
Number of additional lawsuits pending     7
Number of stockholders who filed complaints | stockholder   2  
Litigation settlement, amount awarded to other party | $ $ 86    
Minimum | Sleeper      
Loss Contingencies [Line Items]      
Number of consumer classes | class     10