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v3.20.4

Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenues: |  |  |
Premiums | $ 201,478 | $ 189,699 | $ 178,087
Products | 34,145 | 31,597 | 29,601
Services | 20,016 | 18,973 | 17,183
Investment and other income | 1,502 | 1,886 | 1,376
Total revenues | 257,141 | 242,155 | 226,247
Operating costs: |  |  |
Medical costs | 159,396 | 156,440 | 145,403
Operating costs | 41,704 | 35,193 | 34,074
Cost of products sold | 30,745 | 28,117 | 26,998
Depreciation and amortization | 2,891 | 2,720 | 2,428
Total operating costs | 234,736 | 222,470 | 208,903
Earnings from operations | 22,405 | 19,685 | 17,344
Interest expense | (1,663) | (1,704) | (1,400)
Earnings before income taxes | 20,742 | 17,981 | 15,944
Provision for income taxes | (4,973) | (3,742) | (3,562)
Net earnings | 15,769 | 14,239 | 12,382
Earnings attributable to noncontrolling interests | (366) | (400) | (396)
Net earnings attributable to UnitedHealth Group common shareholders | $ 15,403 | $ 13,839 | $ 11,986
Earnings per share attributable to UnitedHealth Group common shareholders: |  |  |
Basic | $ 16.23 | $ 14.55 | $ 12.45
Diluted | $ 16.03 | $ 14.33 | $ 12.19
Basic weighted-average number of common shares outstanding | 949 | 951 | 963
Dilutive effect of common share equivalents | 12 | 15 | 20
Diluted weighted-average number of common shares outstanding | 961 | 966 | 983
Anti-dilutive shares excluded from the calculation of dilutive effect of common share equivalents | 8 | 10 | 6

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