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SEGMENT INFORMATION - Segment Results (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Premiums | $ 21,468 | $ 19,885 | $ 66,437 | $ 59,987
Services revenue: | 1,159 | 845 | 3,772 | 1,802
Total revenues | 22,799 | 20,697 | 70,431 | 62,010
Investment income (loss) | 172 | (33) | 222 | 221
Benefits | 18,384 | 17,316 | 57,108 | 51,761
Operating costs | 3,061 | 2,603 | 9,120 | 6,726
Depreciation and amortization | 182 | 150 | 527 | 436
Total operating expenses | 21,627 | 20,069 | 66,755 | 58,923
Income (loss) from operations | 1,172 | 628 | 3,676 | 3,087
Gain on sale of KAH Hospice | (240) | 0 | (240) | 0
Interest expense | 102 | 88 | 293 | 235
Other expense (income), net | 13 | (1,096) | (16) | (562)
Income (loss) before income taxes and equity in net earnings | 1,297 | 1,636 | 3,639 | 3,414
Equity in net earnings | 3 | 15 | 1 | 69
Segment earnings (loss) | 1,300 | 1,651 | 3,640 | 3,483
Net loss (income) attributable to noncontrolling interests | 2 |  | 1 |
Segment earnings (loss) attributable to Humana | 1,302 |  | 3,641 |
Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 16,007 |  |  |
Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,792 |  |  |
Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 534 |  |  |
Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 18,333 |  |  |
Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,100 |  |  |
Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 425 |  |  |
Medicaid and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,610 |  |  |
Home solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 519 |  |  |
Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 159 |  |  |
ASO and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 207 |  |  |
Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 274 |  |  |
Retail |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 20,189 | 18,440 | 62,486 | 55,633
Investment income (loss) | 48 | 38 | 133 | 155
Total operating expenses | 19,460 | 17,984 | 60,052 | 53,547
Group and Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 1,551 | 1,695 | 4,748 | 5,150
Investment income (loss) | 3 | 3 | 10 | 11
Total operating expenses | 1,502 | 1,723 | 4,466 | 4,964
Healthcare Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 8,880 | 8,038 | 26,530 | 22,760
Investment income (loss) | 3 | 1 | 6 | 3
Total operating expenses | 8,485 | 7,680 | 25,242 | 21,876
Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 19,885 | 66,437 | 59,987
Services revenue: |  | 845 | 3,772 | 1,802
Total revenues | 22,627 | 20,730 | 70,209 | 61,789
Operating segments | Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 14,642 | 49,751 | 44,042
Operating segments | Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 1,737 | 5,524 | 5,267
Operating segments | Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 541 | 1,779 | 1,867
Operating segments | Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 16,920 | 57,054 | 51,176
Operating segments | Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 1,237 | 3,382 | 3,774
Operating segments | Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 432 | 1,281 | 1,298
Operating segments | Medicaid and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums |  | 1,296 | 4,720 | 3,739
Operating segments | Home solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: |  | 374 | 1,997 | 423
Operating segments | Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: |  | 110 | 409 | 298
Operating segments | ASO and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: |  | 198 | 612 | 599
Operating segments | Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: |  | 163 | 754 | 482
Operating segments | Retail |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 20,131 | 18,401 | 62,329 | 55,460
Services revenue: | 10 | 0 | 24 | 17
Total revenues | 20,141 | 18,401 | 62,353 | 55,477
Benefits | 17,420 | 16,207 | 54,352 | 48,574
Operating costs | 1,903 | 1,669 | 5,309 | 4,653
Depreciation and amortization | 137 | 108 | 391 | 320
Income (loss) from operations | 729 | 456 | 2,434 | 2,086
Gain on sale of KAH Hospice | 0 |  | 0 |
Interest expense | 0 | 0 | 0 | 0
Other expense (income), net | 0 | 0 | 0 | 0
Income (loss) before income taxes and equity in net earnings | 729 | 456 | 2,434 | 2,086
Equity in net earnings | 8 | 0 | 16 | 0
Segment earnings (loss) | 737 | 456 | 2,450 | 2,086
Net loss (income) attributable to noncontrolling interests | 2 |  | 2 |
Segment earnings (loss) attributable to Humana | 739 |  | 2,452 |
Operating segments | Retail | Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 16,007 | 14,642 | 49,751 | 44,042
Operating segments | Retail | Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,792 | 1,737 | 5,524 | 5,267
Operating segments | Retail | Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 534 | 541 | 1,779 | 1,867
Operating segments | Retail | Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 18,333 | 16,920 | 57,054 | 51,176
Operating segments | Retail | Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 188 | 185 | 555 | 545
Operating segments | Retail | Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Retail | Medicaid and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,610 | 1,296 | 4,720 | 3,739
Operating segments | Retail | Home solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Retail | Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Retail | ASO and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 10 | 0 | 24 | 17
Operating segments | Retail | Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Group and Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,337 | 1,484 | 4,108 | 4,527
Services revenue: | 197 | 198 | 588 | 582
Total revenues | 1,534 | 1,682 | 4,696 | 5,109
Benefits | 1,052 | 1,282 | 3,143 | 3,674
Operating costs | 427 | 421 | 1,255 | 1,227
Depreciation and amortization | 23 | 20 | 68 | 63
Income (loss) from operations | 49 | (28) | 282 | 186
Gain on sale of KAH Hospice | 0 |  | 0 |
Interest expense | 0 | 0 | 0 | 0
Other expense (income), net | 0 | 0 | 0 | 0
Income (loss) before income taxes and equity in net earnings | 49 | (28) | 282 | 186
Equity in net earnings | 0 | 0 | 0 | 0
Segment earnings (loss) | 49 | (28) | 282 | 186
Net loss (income) attributable to noncontrolling interests | 0 |  | 0 |
Segment earnings (loss) attributable to Humana | 49 |  | 282 |
Operating segments | Group and Specialty | Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 912 | 1,052 | 2,827 | 3,229
Operating segments | Group and Specialty | Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 425 | 432 | 1,281 | 1,298
Operating segments | Group and Specialty | Medicaid and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | Home solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | ASO and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 197 | 198 | 588 | 582
Operating segments | Group and Specialty | Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Healthcare Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Services revenue: | 952 | 647 | 3,160 | 1,203
Total revenues | 952 | 647 | 3,160 | 1,203
Benefits | 0 | 0 | 0 | 0
Operating costs | 8,435 | 7,634 | 25,089 | 21,749
Depreciation and amortization | 50 | 46 | 153 | 127
Income (loss) from operations | 395 | 358 | 1,288 | 884
Gain on sale of KAH Hospice | (240) |  | (240) |
Interest expense | 0 | 0 | 0 | 0
Other expense (income), net | 0 | 0 | 0 | 0
Income (loss) before income taxes and equity in net earnings | 635 | 358 | 1,528 | 884
Equity in net earnings | (5) | 15 | (15) | 69
Segment earnings (loss) | 630 | 373 | 1,513 | 953
Net loss (income) attributable to noncontrolling interests | 0 |  | (1) |
Segment earnings (loss) attributable to Humana | 630 |  | 1,512 |
Operating segments | Healthcare Services | Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Medicaid and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Home solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 519 | 374 | 1,997 | 423
Operating segments | Healthcare Services | Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 159 | 110 | 409 | 298
Operating segments | Healthcare Services | ASO and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Healthcare Services | Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 274 | 163 | 754 | 482
Eliminations/ Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | (7,821) | (7,476) | (23,333) | (21,533)
Investment income (loss) | 118 | (75) | 73 | 52
Benefits | (88) | (173) | (387) | (487)
Operating costs | (7,704) | (7,121) | (22,533) | (20,903)
Depreciation and amortization | (28) | (24) | (85) | (74)
Total operating expenses | (7,820) | (7,318) | (23,005) | (21,464)
Income (loss) from operations | (1) | (158) | (328) | (69)
Gain on sale of KAH Hospice | 0 |  | 0 |
Interest expense | 102 | 88 | 293 | 235
Other expense (income), net | 13 | (1,096) | (16) | (562)
Income (loss) before income taxes and equity in net earnings | (116) | 850 | (605) | 258
Equity in net earnings | 0 | 0 | 0 | 0
Segment earnings (loss) | (116) | 850 | (605) | 258
Net loss (income) attributable to noncontrolling interests | 0 |  | 0 |
Segment earnings (loss) attributable to Humana | (116) |  | (605) |
Eliminations/ Corporate | Retail |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 0 | 1 | 0 | 1
Eliminations/ Corporate | Retail | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 0 | 1 | 0 | 1
Eliminations/ Corporate | Retail | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 0 | 0 | 0 | 0
Eliminations/ Corporate | Group and Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 14 | 10 | 42 | 30
Eliminations/ Corporate | Group and Specialty | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 14 | 10 | 42 | 30
Eliminations/ Corporate | Group and Specialty | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 0 | 0 | 0 | 0
Eliminations/ Corporate | Healthcare Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 7,925 | 7,390 | 23,364 | 21,554
Eliminations/ Corporate | Healthcare Services | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 5,466 | 5,087 | 15,970 | 14,838
Eliminations/ Corporate | Healthcare Services | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 2,459 | 2,303 | 7,394 | 6,716
Intersegment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | (7,939) | (7,401) | (23,406) | (21,585)
Intersegment Eliminations | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | (5,480) | (5,098) | (16,012) | (14,869)
Intersegment Eliminations | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | $ (2,459) | $ (2,303) | $ (7,394) | $ (6,716)

X
- Definition Depreciation and amortization expense excluding depreciation and amortization primarily from the delivery of pharmacy services by our wholly-owned pharmacy business (included in our Healthcare Services segment) which has been reclassified to benefit expenses. + References No definition available. + Details
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