XML 53 R29.htm IDEA: XBRL DOCUMENT v3.22.2.2
Significant Accounting Policies - Receivables (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables $ 2,220 $ 2,177
Government receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 1,545 1,566
Pharmacy rebate receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 290 276
Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables $ 385 $ 335