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v3.20.2

Segments - Reconciliation of Gross Margin to Consolidated Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Add: other operating revenues | $ 5,021 | $ 4,243 | $ 14,188 | $ 12,555
Less: other operating expenses | (4,732) | (3,986) | (13,201) | (11,753)
Operating income | 289 | 257 | 987 | 802
Other expenses, net | 27 | 24 | 77 | 52
Income before income tax expense | 262 | 233 | 910 | 750
Other operating |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Add: other operating revenues | 253 | 159 | 744 | 470
Less: other operating expenses | (634) | (463) | (1,789) | (1,393)
Health Plans |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Add: other operating revenues | 5,020 | 4,239 | 14,181 | 12,546
Health Plans | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Margin | 670 | 561 | 2,032 | 1,725
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Add: other operating revenues | $ 1 | $ 4 | $ 7 | $ 9

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