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Goodwill And Other Intangible Assets
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill And Other Intangible Assets Goodwill and Other Intangible Assets
A summary of the change in the carrying amount of goodwill for our segments (see Note 20, “Segment Information”) for 2022 and 2021 is as follows:
Commercial
& Specialty
Business		Government
Business		CarelonRxOtherTotal
Balance as of January 1, 2021$11,593 $8,331 $48 $1,719 $21,691 
Acquisitions and adjustments— 2,018 11 508 2,537 
Balance as of December 31, 202111,593 10,349 59 2,227 24,228 
Acquisitions and adjustments18 128 — 9 155 
Balance as of December 31, 2022$11,611 $10,477 $59 $2,236 $24,383 
Accumulated impairment as of December 31, 2022$— $— $— $— $— 
As required by FASB guidance, we completed annual impairment tests of existing goodwill and other intangible assets with indefinite lives during 2022, 2021 and 2020. We perform these annual impairment tests during the fourth quarter. FASB guidance also requires interim impairment testing to be performed when potential impairment indicators exist. These tests involve the use of estimates related to the fair value of goodwill and intangible assets with indefinite lives and require a significant degree of management judgment and the use of subjective assumptions. Qualitative testing procedures include assessing our financial performance, macroeconomic conditions, industry and market considerations, various asset specific factors and entity specific events. For quantitative testing, the fair values are estimated using the projected income and market valuation approaches, incorporating Level III internal estimates for inputs, including, but not limited to, revenue projections, income projections, cash flows and discount rates. We did not incur any impairment losses in 2022, 2021 or 2020, as the estimated fair values of our reporting units were substantially in excess of their carrying values.
The components of other intangible assets as of December 31, 2022 and 2021 are as follows:
 20222021
Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount		Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
Intangible assets with finite lives:
Customer relationships$5,791 $(3,693)$2,098 $5,598 $(3,236)$2,362 
Provider and hospital relationships326 (146)180 324 (129)195 
Other1,010 (440)570 610 (141)469 
Total7,127 (4,279)2,848 6,532 (3,506)3,026 
Intangible assets with indefinite lives:
Blue Cross and Blue Shield and other trademarks5,991 — 5,991 6,299 — 6,299 
State Medicaid licenses1,476 — 1,476 1,290 — 1,290 
Total7,467 — 7,467 7,589 — 7,589 
Other intangible assets$14,594 $(4,279)$10,315 $14,121 $(3,506)$10,615 
In 2022, due to our acquisition of Integra, we recorded intangible assets and due to our new branding strategy, reclassified $308 of trademarks with indefinite lives to Intangible assets with finite lives - Other. In addition, the amortization period of certain intangible assets was shortened to align with the anticipated dates the new branding will take place.
Intangible assets, along with the related accumulated amortization, are removed from the table above at the end of the fiscal year in which they become fully amortized.
As of December 31, 2022, the estimated amortization expense for each of the five succeeding years is as follows: 2023, $806; 2024, $370; 2025, $311; 2026, $258; and 2027, $221.