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Segments (Tables)
3 Months Ended
Mar. 31, 2022
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 March 31,
20222021
(In millions)
Total revenue:
Medicaid$6,187 $5,020 
Medicare949 805 
Marketplace616 680 
Other18 17 
Total$7,770 $6,522 
The following table reconciles margin by segment to consolidated income before income taxes.
Three Months Ended March 31,
20222021
(In millions)
Margin:
Medicaid$710 $604 
Medicare128 77 
Marketplace130 151 
Other
Total margin 971 836 
Add: other operating revenues (1)
221 199 
Less: other operating expenses (2)
(820)(700)
Operating income372 335 
Other expenses, net28 30 
Income before income tax expense$344 $305 
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(1)Other operating revenues include premium tax revenue, investment income, and other revenue.
(2)Other operating expenses include general and administrative expenses, premium tax expenses, depreciation and amortization, and other operating expenses.