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v3.22.4

Segment Reporting - Reconciliation of Financial Measures of Segments to Consolidated Totals (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | $ 321,629 | $ 290,912 | $ 267,908
Net investment income (loss) | 838 | 1,199 | 798
Total revenues | 322,467 | 292,111 | 268,706
Adjusted operating income (loss) | 17,532 | 17,312 | 16,008
Depreciation and amortization | 4,247 | 4,512 | 4,441
Operating Segments | Health Care Benefits |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | 90,844 | 81,515 | 74,926
Net investment income (loss) | 476 | 586 | 483
Total revenues | 91,409 | 82,186 | 75,467
Adjusted operating income (loss) | 5,984 | 5,012 | 6,188
Depreciation and amortization | 1,629 | 1,837 | 1,832
Operating Segments | Pharmacy Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | 157,787 | 143,194 | 132,663
Net investment income (loss) | 0 | 0 | 0
Total revenues | 169,236 | 153,022 | 141,938
Adjusted operating income (loss) | 7,356 | 6,859 | 5,688
Depreciation and amortization | 567 | 576 | 612
Copayments | 12,600 | 11,600 | 10,900
Operating Segments | Retail/ LTC |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | 72,874 | 66,078 | 60,208
Net investment income (loss) | (44) | 17 | 0
Total revenues | 106,594 | 100,105 | 91,198
Adjusted operating income (loss) | 6,705 | 7,623 | 6,146
Depreciation and amortization | 1,813 | 1,884 | 1,801
Intersegment Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment revenues | (45,302) | (43,923) | (40,323)
Net investment income (loss) | 0 | 0 | 0
Total revenues | (45,302) | (43,923) | (40,323)
Adjusted operating income (loss) | (728) | (711) | (708)
Depreciation and amortization | 0 | 0 | 0
Intersegment Eliminations | Health Care Benefits |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment revenues | 89 | 85 | 58
Intersegment Eliminations | Pharmacy Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment revenues | 11,449 | 9,828 | 9,275
Intersegment Eliminations | Retail/ LTC |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment revenues | 33,764 | 34,010 | 30,990
Corporate/ Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | 124 | 125 | 111
Net investment income (loss) | 406 | 596 | 315
Total revenues | 530 | 721 | 426
Adjusted operating income (loss) | (1,785) | (1,471) | (1,306)
Depreciation and amortization | $ 238 | $ 215 | $ 196

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