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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Schedule of Health Care Cost Payments and Reimbursements We account for these subsidies and discounts as a deposit in our consolidated balance sheets and as a financing activity under receipts (withdrawals) from contract deposits in our consolidated statements of cash flows.
202120202019
(in millions)
Part D subsidy/discount payments$(14,889)$(13,348)$(11,762)
Part D subsidy/discount reimbursements14,628 12,410 11,202 
Net payments$(261)$(938)$(560)
We account for the payments of the federal government’s claims and the related reimbursements under deposit accounting in our consolidated balance sheets and as a financing activity under receipts (withdrawals) from contract deposits in our consolidated statements of cash flows.
202120202019
(in millions)
Health care cost payments$(6,943)$(6,253)$(6,475)
Health care cost reimbursements6,898 6,252 6,412 
Net payments$(45)$(1)$(63)