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v3.22.1

Segment Reporting - Reconciliation of Financial Measures of Segments to Consolidated Totals (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Segment Reporting Information [Line Items] |  |
Revenues from external customers | $ 76,658 | $ 68,800
Net investment income (loss) | 168 | 297
Total revenues | 76,826 | 69,097
Adjusted operating income (loss) | 4,483 | 4,205
Health Care Benefits |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 23,109 | 20,483
Pharmacy Services |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 39,461 | 36,321
Retail/ LTC |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 25,418 | 23,274
Operating Segments | Health Care Benefits |  |
Segment Reporting Information [Line Items] |  |
Revenues from external customers | 22,997 | 20,315
Net investment income (loss) | 89 | 148
Total revenues | 23,109 | 20,483
Adjusted operating income (loss) | 1,751 | 1,782
Operating Segments | Pharmacy Services |  |
Segment Reporting Information [Line Items] |  |
Revenues from external customers | 36,196 | 33,313
Net investment income (loss) | 0 | 0
Total revenues | 39,461 | 36,321
Adjusted operating income (loss) | 1,636 | 1,507
Copayments | 3,800 | 3,400
Operating Segments | Retail/ LTC |  |
Segment Reporting Information [Line Items] |  |
Revenues from external customers | 17,434 | 15,140
Net investment income (loss) | (16) | 46
Total revenues | 25,418 | 23,274
Adjusted operating income (loss) | 1,605 | 1,394
Intersegment Eliminations |  |
Segment Reporting Information [Line Items] |  |
Revenues | (11,288) | (11,116)
Net investment income (loss) | 0 | 0
Total revenues | (11,288) | (11,116)
Adjusted operating income (loss) | (204) | (175)
Intersegment Eliminations | Health Care Benefits |  |
Segment Reporting Information [Line Items] |  |
Revenues | 23 | 20
Intersegment Eliminations | Pharmacy Services |  |
Segment Reporting Information [Line Items] |  |
Revenues | 3,265 | 3,008
Intersegment Eliminations | Retail/ LTC |  |
Segment Reporting Information [Line Items] |  |
Revenues | 8,000 | 8,088
Corporate/ Other |  |
Segment Reporting Information [Line Items] |  |
Revenues from external customers | 31 | 32
Net investment income (loss) | 95 | 103
Total revenues | 126 | 135
Adjusted operating income (loss) | $ (305) | $ (303)

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