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v3.25.3

Segments - Reconciliation of Gross Margin to Consolidated Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenue: |  |  |  |
Premium revenue | $ 10,841 | $ 9,694 | $ 32,337 | $ 28,644
Service revenue | 21 | 20 | 65 | 60
Revenue from external customers | 10,862 | 9,714 | 32,402 | 28,704
Other operating revenues | 615 | 626 | 1,649 | 1,447
Total revenue | 11,477 | 10,340 | 34,051 | 30,151
Operating expenses: |  |  |  |
Medical care costs | 10,044 | 8,643 | 29,352 | 25,425
Cost of service revenue | 20 | 19 | 58 | 55
Segment expenses | 10,064 | 8,662 | 29,410 | 25,480
Other operating expenses | 1,276 | 1,211 | 3,698 | 3,344
Operating income | 137 | 467 | 943 | 1,327
Less: interest expense | 49 | 29 | 140 | 84
Income before income tax expense | 88 | 438 | 803 | 1,243
Medical margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 797 | 1,051 | 2,985 | 3,219
Service margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 1 | 1 | 7 | 5
Operating segments | Medicaid |  |  |  |
Revenue: |  |  |  |
Premium revenue | 8,015 | 7,668 | 24,174 | 22,538
Service revenue | 0 | 0 | 0 | 0
Revenue from external customers | 8,015 | 7,668 | 24,174 | 22,538
Operating expenses: |  |  |  |
Medical care costs | 7,376 | 6,938 | 22,047 | 20,350
Cost of service revenue | 0 | 0 | 0 | 0
Segment expenses | 7,376 | 6,938 | 22,047 | 20,350
Operating segments | Medicaid | Medical margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 639 | 730 | 2,127 | 2,188
Operating segments | Medicaid | Service margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 0 | 0 | 0 | 0
Operating segments | Medicare |  |  |  |
Revenue: |  |  |  |
Premium revenue | 1,610 | 1,367 | 4,686 | 4,250
Service revenue | 0 | 0 | 0 | 0
Revenue from external customers | 1,610 | 1,367 | 4,686 | 4,250
Operating expenses: |  |  |  |
Medical care costs | 1,507 | 1,225 | 4,250 | 3,728
Cost of service revenue | 0 | 0 | 0 | 0
Segment expenses | 1,507 | 1,225 | 4,250 | 3,728
Operating segments | Medicare | Medical margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 103 | 142 | 436 | 522
Operating segments | Medicare | Service margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 0 | 0 | 0 | 0
Operating segments | Marketplace |  |  |  |
Revenue: |  |  |  |
Premium revenue | 1,197 | 659 | 3,401 | 1,856
Service revenue | 0 | 0 | 0 | 0
Revenue from external customers | 1,197 | 659 | 3,401 | 1,856
Operating expenses: |  |  |  |
Medical care costs | 1,144 | 480 | 2,990 | 1,347
Cost of service revenue | 0 | 0 | 0 | 0
Segment expenses | 1,144 | 480 | 2,990 | 1,347
Operating segments | Marketplace | Medical margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 53 | 179 | 411 | 509
Operating segments | Marketplace | Service margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 0 | 0 | 0 | 0
Operating segments | Other |  |  |  |
Revenue: |  |  |  |
Premium revenue | 19 | 0 | 76 | 0
Service revenue | 21 | 20 | 65 | 60
Revenue from external customers | 40 | 20 | 141 | 60
Operating expenses: |  |  |  |
Medical care costs | 17 | 0 | 65 | 0
Cost of service revenue | 20 | 19 | 58 | 55
Segment expenses | 37 | 19 | 123 | 55
Operating segments | Other | Medical margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | 2 | 0 | 11 | 0
Operating segments | Other | Service margin |  |  |  |
Operating expenses: |  |  |  |
Segment margin | $ 1 | $ 1 | $ 7 | $ 5

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