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Segments (Tables)
12 Months Ended
Dec. 31, 2023
Segment Reporting [Abstract]  
Schedule of Operating Segment Information
The following table presents total revenue by segment. Inter-segment revenue was insignificant for all periods presented.
Year Ended December 31,
202320222021
(In millions)
Total revenue:
Medicaid$27,707 $25,783 $21,231 
Medicare4,227 3,824 3,379 
Marketplace2,062 2,296 3,091 
Other76 71 70 
Consolidated$34,072 $31,974 $27,771 
The following table reconciles margin by segment to consolidated income before income tax expense:
Year Ended December 31,
202320222021
(In millions)
Margin:
Medicaid$2,973 $2,981 $2,322 
Medicare388 437 430 
Marketplace499 290 399 
Other11 14 
Total margin3,869 3,719 3,165 
Add: other operating revenues (1)
1,467 1,020 846 
Less: other operating expenses (2)
(3,763)(3,566)(2,991)
Operating income1,573 1,173 1,020 
Less: other expenses, net (3)
109 110 145 
Income before income tax expense$1,464 $1,063 $875 
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(1)Other operating revenues include premium tax revenue, investment income and certain other revenue.
(2)Other operating expenses include general and administrative expenses, premium tax expenses, depreciation and amortization, impairment, and certain other operating expenses.
(3)Other expenses, net include interest expense and non-operating other expenses.