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MEDICARE PART D
 12 Months Ended
Dec. 31, 2022
Insurance [Abstract]  
MEDICARE PART D MEDICARE PART DWe cover prescription drug benefits in accordance with Medicare Part D under multiple contracts with CMS. The accompanying consolidated balance sheets include the following amounts associated with Medicare Part D as of December 31, 2022 and 2021. CMS subsidies/discounts in the table below include the reinsurance and low-income cost subsidies funded by CMS for which we assume no risk as well as brand name prescription drug discounts for Part D plan participants in the coverage gap funded by CMS and pharmaceutical manufacturers. For additional information regarding our prescription drug benefits coverage in accordance with Medicare Part D, refer to Note 2 to
the audited Consolidated Financial Statements included in Part II, Item 8, "Financial Statements and Supplementary Data" of this Form 10-K.
 20222021
 Risk
Corridor
Settlement		CMS
Subsidies/
Discounts		Risk
Corridor
Settlement		CMS
Subsidies/
Discounts
 (in millions)
Other current assets$240 $696 $363 $1,894 
Trade accounts payable and accrued expenses(166)(1,236)(68)(466)
Net current asset (liability)74 (540)295 1,428 
Other long-term assets19 — 5 — 
Other long-term liabilities(78)— (194)— 
Net long-term liability(59)— (189)— 
       Total net asset (liability)$15 $(540)$106 $1,428