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Summary of Significant Accounting Policies - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 29, 2022
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2022
USD ($)
segment
Summary Of Significant Accounting Policies [Line Items]      
Number of distinct segments | segment     2
Number of reportable segments | segment     2
Rental Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Revenue related to equipment | $   $ 148 $ 299
Minimum | Machinery and Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Patient equipment useful life     3 years
Minimum | Buildings      
Summary Of Significant Accounting Policies [Line Items]      
Patient equipment useful life     5 years
Minimum | Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Patient equipment useful life     1 year
Maximum | Machinery and Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Patient equipment useful life     15 years
Maximum | Buildings      
Summary Of Significant Accounting Policies [Line Items]      
Patient equipment useful life     40 years
Maximum | Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Patient equipment useful life     10 years
Maximum | Leasehold and Land Improvements      
Summary Of Significant Accounting Policies [Line Items]      
Patient equipment useful life     15 years
Apria, Inc      
Summary Of Significant Accounting Policies [Line Items]      
Percentage of business acquired 100.00%    
Business combination consideration transferred | $ $ 1,700