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v3.21.1

Segment Financial Information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | $ 55,486 | $ 50,640
Investment and other income | 452 | 365
Total revenues | 70,196 | 64,421
Earnings from operations | 6,739 | 4,996
Interest expense | (397) | (437)
Earnings before income taxes | 6,342 | 4,559
Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 8,340 | 8,431
Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 5,918 | 4,985
Optum |  |
Statement [Line Items] |  |
Investment and other income | 246 | 168
Total revenues | 36,384 | 32,839
Earnings from operations | 2,631 | 2,108
Interest expense | 0 | 0
Earnings before income taxes | 2,631 | 2,108
Unaffiliated Customers |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 55,486 | 50,640
Total revenues | 69,744 | 64,056
Unaffiliated Customers | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 8,340 | 8,431
Unaffiliated Customers | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 5,918 | 4,985
Unaffiliated Customers | Optum |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 2,928 | 2,047
Total revenues | 14,836 | 13,185
Unaffiliated Customers | Optum | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 8,340 | 8,431
Unaffiliated Customers | Optum | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 3,568 | 2,707
Affiliated Customers |  |
Statement [Line Items] |  |
Total revenues | 0 | 0
Affiliated Customers | Optum |  |
Statement [Line Items] |  |
Total revenues | 21,302 | 19,486
Operating Segments | UnitedHealthcare |  |
Statement [Line Items] |  |
Investment and other income | 206 | 197
Total revenues | 55,114 | 51,068
Earnings from operations | 4,108 | 2,888
Interest expense | 0 | 0
Earnings before income taxes | 4,108 | 2,888
Operating Segments | OptumHealth |  |
Statement [Line Items] |  |
Investment and other income | 179 | 136
Total revenues | 12,403 | 9,192
Earnings from operations | 962 | 712
Interest expense | 0 | 0
Earnings before income taxes | 962 | 712
Operating Segments | OptumInsight |  |
Statement [Line Items] |  |
Investment and other income | 33 | 12
Total revenues | 2,852 | 2,494
Earnings from operations | 779 | 536
Interest expense | 0 | 0
Earnings before income taxes | 779 | 536
Operating Segments | OptumRx |  |
Statement [Line Items] |  |
Investment and other income | 34 | 20
Total revenues | 21,604 | 21,557
Earnings from operations | 890 | 860
Interest expense | 0 | 0
Earnings before income taxes | 890 | 860
Operating Segments | Unaffiliated Customers | UnitedHealthcare |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 52,558 | 48,593
Total revenues | 54,908 | 50,871
Operating Segments | Unaffiliated Customers | UnitedHealthcare | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 0 | 0
Operating Segments | Unaffiliated Customers | UnitedHealthcare | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 2,350 | 2,278
Operating Segments | Unaffiliated Customers | OptumHealth |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 2,928 | 2,047
Total revenues | 5,272 | 3,604
Operating Segments | Unaffiliated Customers | OptumHealth | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 8 | 9
Operating Segments | Unaffiliated Customers | OptumHealth | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 2,336 | 1,548
Operating Segments | Unaffiliated Customers | OptumInsight |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 0 | 0
Total revenues | 998 | 920
Operating Segments | Unaffiliated Customers | OptumInsight | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 37 | 29
Operating Segments | Unaffiliated Customers | OptumInsight | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 961 | 891
Operating Segments | Unaffiliated Customers | OptumRx |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 0 | 0
Total revenues | 8,566 | 8,661
Operating Segments | Unaffiliated Customers | OptumRx | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 8,295 | 8,393
Operating Segments | Unaffiliated Customers | OptumRx | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 271 | 268
Operating Segments | Affiliated Customers | UnitedHealthcare |  |
Statement [Line Items] |  |
Total revenues | 0 | 0
Operating Segments | Affiliated Customers | OptumHealth |  |
Statement [Line Items] |  |
Total revenues | 6,952 | 5,452
Operating Segments | Affiliated Customers | OptumInsight |  |
Statement [Line Items] |  |
Total revenues | 1,821 | 1,562
Operating Segments | Affiliated Customers | OptumRx |  |
Statement [Line Items] |  |
Total revenues | 13,004 | 12,876
Optum Eliminations |  |
Statement [Line Items] |  |
Investment and other income | 0 | 0
Total revenues | (475) | (404)
Earnings from operations | 0 | 0
Interest expense | 0 | 0
Earnings before income taxes | 0 | 0
Optum Eliminations | Unaffiliated Customers |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 0 | 0
Total revenues | 0 | 0
Optum Eliminations | Unaffiliated Customers | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 0 | 0
Optum Eliminations | Unaffiliated Customers | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 0 | 0
Optum Eliminations | Affiliated Customers |  |
Statement [Line Items] |  |
Total revenues | (475) | (404)
Corporate and Eliminations |  |
Statement [Line Items] |  |
Investment and other income | 0 | 0
Total revenues | (21,302) | (19,486)
Earnings from operations | 0 | 0
Interest expense | (397) | (437)
Earnings before income taxes | (397) | (437)
Corporate and Eliminations | Unaffiliated Customers |  |
Statement [Line Items] |  |
Premiums, revenues - unaffiliated customers | 0 | 0
Total revenues | 0 | 0
Corporate and Eliminations | Unaffiliated Customers | Products |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 0 | 0
Corporate and Eliminations | Unaffiliated Customers | Services |  |
Statement [Line Items] |  |
Revenue from Products and Services - unaffiliated customers | 0 | 0
Corporate and Eliminations | Affiliated Customers |  |
Statement [Line Items] |  |
Total revenues | $ (21,302) | $ (19,486)

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