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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2022
Accounting Policies [Abstract]  
Schedule of cash and cash equivalents The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
December 31,
202220212020
(In millions)
Cash and cash equivalents$4,006 $4,438 $4,154 
Restricted cash and cash equivalents42 68 69 
Total cash and cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows
$4,048 $4,506 $4,223 
Schedule of restricted cash and cash equivalents The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
December 31,
202220212020
(In millions)
Cash and cash equivalents$4,006 $4,438 $4,154 
Restricted cash and cash equivalents42 68 69 
Total cash and cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows
$4,048 $4,506 $4,223 
Schedule of receivables
December 31,
20222021
(In millions)
Government receivables$1,702 $1,566 
Pharmacy rebate receivables291 276 
Other309 335 
Total receivables$2,302 $2,177 
Schedule of amounts due to government agencies Categorized by program, such amounts due government agencies included the following:
December 31,
20222021
(In millions)
Medicaid program:
Minimum MLR, corridors, and profit sharing$1,145 $1,016 
Other premium adjustments482 263 
Medicare program:
Risk adjustment and Part D risk sharing76 89 
Minimum MLR and profit sharing 84 101 
Other premium adjustments27 35 
Marketplace program:
Risk adjustment230 902 
Minimum MLR2 18 
Other premium adjustments33 48 
Total amounts due government agencies$2,079 $2,472 
Summarized premium revenue
Significant Customers
We receive the majority of our revenues under contracts or subcontracts with state Medicaid managed care programs, which are considered individual external customers. Instances where these contracts were at least 10% of our total premium revenue for the year ended December 31, 2022 were New York with 10.0%, Texas with 12.0% and Washington with 13.6%.