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Acquisitions (Details) - 2021 Acquisition
$ in Millions
3 Months Ended
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]  
Asset acquisition, consideration transferred $ 13
Fleet  
Business Acquisition [Line Items]  
Property acquired 4
Franchise agreement  
Business Acquisition [Line Items]  
Finite-lived intangible assets acquired $ 18
Acquired finite-lived intangible assets, weighted average useful life 2 years