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SEGMENT INFORMATION - Segment Results (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Premiums | $ 22,266 | $ 19,978 | $ 44,969 | $ 40,102
Services revenue: | 1,349 | 491 | 2,613 | 957
Total external revenues | 23,615 | 20,469 | 47,582 | 41,059
Total intersegment revenues | 0 | 0 | 0 | 0
Investment income | 47 | 176 | 50 | 254
Total revenues | 23,662 | 20,645 | 47,632 | 41,313
Benefits | 19,099 | 17,149 | 38,724 | 34,445
Operating costs | 3,173 | 2,116 | 6,059 | 4,123
Depreciation and amortization | 175 | 144 | 345 | 286
Total operating expenses | 22,447 | 19,409 | 45,128 | 38,854
Income (loss) from operations | 1,215 | 1,236 | 2,504 | 2,459
Interest expense | 101 | 79 | 191 | 147
Other (income) expense, net | (8) | 419 | (29) | 534
Income (loss) before income taxes and equity in net earnings | 1,122 | 738 | 2,342 | 1,778
Equity in net earnings (losses) | 2 | 33 | (2) | 54
Segment earnings (loss) | 1,124 | 771 | 2,340 | 1,832
Less: noncontrolling interests | (1) |  | (1) |
Segment earnings (loss) attributable to Humana | 1,123 |  | 2,339 |
Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 16,692 | 14,585 | 33,744 | 29,400
Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,857 | 1,775 | 3,732 | 3,530
Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 606 | 662 | 1,245 | 1,326
Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 19,155 | 17,022 | 38,721 | 34,256
Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,128 | 1,260 | 2,282 | 2,537
Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 427 | 432 | 856 | 866
Medicaid and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,556 | 1,264 | 3,110 | 2,443
Home solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 752 | 25 | 1,478 | 49
Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 137 | 97 | 250 | 188
ASO and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 204 | 206 | 405 | 401
Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 256 | 163 | 480 | 319
Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 0 | 0 | 0 | 0
Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 0 | 0 | 0 | 0
Operating segments | Retail |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 20,896 | 18,468 | 42,198 | 37,059
Services revenue: | 8 | 12 | 14 | 17
Total external revenues | 20,904 | 18,480 | 42,212 | 37,076
Total intersegment revenues | 0 | 0 | 0 | 0
Investment income | 42 | 65 | 85 | 117
Total revenues | 20,946 | 18,545 | 42,297 | 37,193
Benefits | 18,182 | 16,068 | 36,932 | 32,367
Operating costs | 1,712 | 1,533 | 3,406 | 2,984
Depreciation and amortization | 131 | 108 | 254 | 212
Total operating expenses | 20,025 | 17,709 | 40,592 | 35,563
Income (loss) from operations | 921 | 836 | 1,705 | 1,630
Interest expense | 0 | 0 | 0 | 0
Other (income) expense, net | 0 | 0 | 0 | 0
Income (loss) before income taxes and equity in net earnings | 921 | 836 | 1,705 | 1,630
Equity in net earnings (losses) | 8 | 0 | 8 | 0
Segment earnings (loss) | 929 | 836 | 1,713 | 1,630
Less: noncontrolling interests | 0 |  | 0 |
Segment earnings (loss) attributable to Humana | 929 |  | 1,713 |
Operating segments | Retail | Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 16,692 | 14,585 | 33,744 | 29,400
Operating segments | Retail | Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,857 | 1,775 | 3,732 | 3,530
Operating segments | Retail | Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 606 | 662 | 1,245 | 1,326
Operating segments | Retail | Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 19,155 | 17,022 | 38,721 | 34,256
Operating segments | Retail | Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 185 | 182 | 367 | 360
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 | 1,556 | 1,264 | 3,110 | 2,443
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: | 8 | 12 | 14 | 17
Operating segments | Retail | Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Retail | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 0 | 0 | 0 | 0
Operating segments | Retail | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 0 | 0 | 0 | 0
Operating segments | Group and Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 1,370 | 1,510 | 2,771 | 3,043
Services revenue: | 196 | 194 | 391 | 384
Total external revenues | 1,566 | 1,704 | 3,162 | 3,427
Total intersegment revenues | 14 | 10 | 28 | 20
Investment income | 4 | 4 | 7 | 8
Total revenues | 1,584 | 1,718 | 3,197 | 3,455
Benefits | 1,045 | 1,247 | 2,091 | 2,392
Operating costs | 415 | 409 | 828 | 806
Depreciation and amortization | 23 | 22 | 45 | 43
Total operating expenses | 1,483 | 1,678 | 2,964 | 3,241
Income (loss) from operations | 101 | 40 | 233 | 214
Interest expense | 0 | 0 | 0 | 0
Other (income) expense, net | 0 | 0 | 0 | 0
Income (loss) before income taxes and equity in net earnings | 101 | 40 | 233 | 214
Equity in net earnings (losses) | 0 | 0 | 0 | 0
Segment earnings (loss) | 101 | 40 | 233 | 214
Less: noncontrolling interests | 0 |  | 0 |
Segment earnings (loss) attributable to Humana | 101 |  | 233 |
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 | 943 | 1,078 | 1,915 | 2,177
Operating segments | Group and Specialty | Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 427 | 432 | 856 | 866
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: | 196 | 194 | 391 | 384
Operating segments | Group and Specialty | Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Operating segments | Group and Specialty | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 14 | 10 | 28 | 20
Operating segments | Group and Specialty | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 0 | 0 | 0 | 0
Operating segments | Healthcare Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Services revenue: | 1,145 | 285 | 2,208 | 556
Total external revenues | 1,145 | 285 | 2,208 | 556
Total intersegment revenues | 7,816 | 7,238 | 15,439 | 14,164
Investment income | 1 | 1 | 3 | 2
Total revenues | 8,962 | 7,524 | 17,650 | 14,722
Benefits | 0 | 0 | 0 | 0
Operating costs | 8,469 | 7,205 | 16,654 | 14,115
Depreciation and amortization | 50 | 41 | 103 | 81
Total operating expenses | 8,519 | 7,246 | 16,757 | 14,196
Income (loss) from operations | 443 | 278 | 893 | 526
Interest expense | 0 | 0 | 0 | 0
Other (income) expense, net | 0 | 0 | 0 | 0
Income (loss) before income taxes and equity in net earnings | 443 | 278 | 893 | 526
Equity in net earnings (losses) | (6) | 33 | (10) | 54
Segment earnings (loss) | 437 | 311 | 883 | 580
Less: noncontrolling interests | (1) |  | (1) |
Segment earnings (loss) attributable to Humana | 436 |  | 882 |
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: | 752 | 25 | 1,478 | 49
Operating segments | Healthcare Services | Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 137 | 97 | 250 | 188
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: | 256 | 163 | 480 | 319
Operating segments | Healthcare Services | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 5,327 | 4,977 | 10,504 | 9,751
Operating segments | Healthcare Services | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | 2,489 | 2,261 | 4,935 | 4,413
Eliminations/ Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Services revenue: | 0 | 0 | 0 | 0
Total external revenues | 0 | 0 | 0 | 0
Total intersegment revenues | (7,830) | (7,248) | (15,467) | (14,184)
Investment income | 0 | 106 | (45) | 127
Total revenues | (7,830) | (7,142) | (15,512) | (14,057)
Benefits | (128) | (166) | (299) | (314)
Operating costs | (7,423) | (7,031) | (14,829) | (13,782)
Depreciation and amortization | (29) | (27) | (57) | (50)
Total operating expenses | (7,580) | (7,224) | (15,185) | (14,146)
Income (loss) from operations | (250) | 82 | (327) | 89
Interest expense | 101 | 79 | 191 | 147
Other (income) expense, net | (8) | 419 | (29) | 534
Income (loss) before income taxes and equity in net earnings | (343) | (416) | (489) | (592)
Equity in net earnings (losses) | 0 | 0 | 0 | 0
Segment earnings (loss) | (343) | (416) | (489) | (592)
Less: noncontrolling interests | 0 |  | 0 |
Segment earnings (loss) attributable to Humana | (343) |  | (489) |
Eliminations/ Corporate | Individual Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Eliminations/ Corporate | Group Medicare Advantage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Eliminations/ Corporate | Medicare stand-alone PDP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Eliminations/ Corporate | Total Medicare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Eliminations/ Corporate | Fully-insured |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Eliminations/ Corporate | Specialty |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Eliminations/ Corporate | Medicaid and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Premiums | 0 | 0 | 0 | 0
Eliminations/ Corporate | Home solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Eliminations/ Corporate | Provider services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Eliminations/ Corporate | ASO and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Eliminations/ Corporate | Pharmacy solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Services revenue: | 0 | 0 | 0 | 0
Eliminations/ Corporate | Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | (5,341) | (4,987) | (10,532) | (9,771)
Eliminations/ Corporate | Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total intersegment revenues | $ (2,489) | $ (2,261) | $ (4,935) | $ (4,413)

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- 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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