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Segments (Tables)
9 Months Ended
Sep. 30, 2024
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.
Three Months Ended September 30,Nine Months Ended September 30,
2024202320242023
(In millions)
Total revenue:
Medicaid$8,263 $6,976 $23,896 $20,282 
Medicare1,385 1,046 4,301 3,157 
Marketplace672 507 1,894 1,528 
Other20 19 60 57 
Consolidated$10,340 $8,548 $30,151 $25,024 
The following table reconciles margin by segment to consolidated income before income tax expense:
Three Months Ended September 30,Nine Months Ended September 30,
2024202320242023
(In millions)
Margin:
Medicaid$730 $752 $2,188 $2,242 
Medicare142 78 522 317 
Marketplace179 104 509 393 
Other
Total margin 1,052 936 3,224 2,959 
Add: other operating revenues (1)
626 289 1,447 800 
Less: other operating expenses (2)
(1,211)(866)(3,344)(2,502)
Operating income467 359 1,327 1,257 
Less: interest expense29 27 84 82 
Income before income tax expense$438 $332 $1,243 $1,175 
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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, and certain other operating expenses.