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Business Combinations (Tables)
12 Months Ended
Dec. 31, 2022
Business Combination and Asset Acquisition [Abstract]  
Summary of intangible assets acquired
The table below presents intangible assets acquired, by major class, for the AgeWell and Cigna acquisitions.
Fair ValueLifeWeighted-Average Life
 (In millions)(Years)(Years)
Contract rights - member list$81 2-53.7
Provider network2-54.0
$82 3.7