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Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Net Unrealized Gains (Losses) on Investments [Member] | Foreign Currency Translation (Losses) Gains [Member] | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 60,436 | $ 9 | $ 7 | $ 61,178 | $ 589 | $ (4,167) | $ 2,820
Balance (Accounting Standards Update 2016-13) at Dec. 31, 2019 | (28) |  |  | (28) |  |  |
Balance (in shares) at Dec. 31, 2019 |  | 948 |  |  |  |  |
Net earnings attributable to UnitedHealth Group common shareholders | 15,403 |  |  | 15,403 |  |  |
Net earnings attributable to nonredeemable noncontrolling interest |  |  |  |  |  |  | 254
Net earnings, Including Portion Attributable to Nonredeemable Noncontrolling Interest | 15,657 |  |  |  |  |  |
Other comprehensive (loss) gains | (236) |  |  |  | 747 | (983) |
Issuances of common stock, and related tax effects (in shares) |  | 12 |  |  |  |  |
Issuances of common stock, and related tax effects | 1,120 | $ 1 | 1,119 |  |  |  |
Share-based compensation | 647 |  | 647 |  |  |  |
Common share repurchases (in shares) |  | (14) |  |  |  |  |
Common share repurchases | (4,250) | $ 0 | (1,576) | (2,674) |  |  |
Cash dividends paid on common shares ($6.40 per share, $5.60 per share and $4.83 per share for the years ended December 31, 2022, 2021 and 2020, respectively) | (4,584) |  |  | (4,584) |  |  |
Redeemable noncontrolling interests fair value and other adjustments | (197) |  | (197) |  |  |  |
Acquisition and other adjustments of nonredeemable noncontrolling interests | 40 |  |  |  |  |  | 40
Distributions to nonredeemable noncontrolling interests | (277) |  |  |  |  |  | (277)
Balance at Dec. 31, 2020 | 68,328 | $ 10 | 0 | 69,295 | 1,336 | (5,150) | 2,837
Balance (in shares) at Dec. 31, 2020 |  | 946 |  |  |  |  |
Net earnings attributable to UnitedHealth Group common shareholders | 17,285 |  |  | 17,285 |  |  |
Net earnings attributable to nonredeemable noncontrolling interest |  |  |  |  |  |  | 360
Net earnings, Including Portion Attributable to Nonredeemable Noncontrolling Interest | 17,645 |  |  |  |  |  |
Other comprehensive (loss) gains | (1,570) |  |  |  | (913) | (657) |
Issuances of common stock, and related tax effects (in shares) |  | 8 |  |  |  |  |
Issuances of common stock, and related tax effects | 1,100 | $ 0 | 1,100 |  |  |  |
Share-based compensation | $ 729 |  | 729 |  |  |  |
Common share repurchases (in shares) | (13) | (13) |  |  |  |  |
Common share repurchases | $ (5,000) | $ 0 | (940) | (4,060) |  |  |
Cash dividends paid on common shares ($6.40 per share, $5.60 per share and $4.83 per share for the years ended December 31, 2022, 2021 and 2020, respectively) | (5,280) |  |  | (5,280) |  |  |
Redeemable noncontrolling interests fair value and other adjustments | (995) |  | (889) |  |  |  |
Acquisition and other adjustments of nonredeemable noncontrolling interests | 407 |  |  |  |  |  | 407
Distributions to nonredeemable noncontrolling interests | (319) |  |  |  |  |  | (319)
Balance at Dec. 31, 2021 | $ 75,045 | $ 10 | 0 | 77,134 | 423 | (5,807) | 3,285
Balance (in shares) at Dec. 31, 2021 | 941 | 941 |  |  |  |  |
Net earnings attributable to UnitedHealth Group common shareholders | $ 20,120 |  |  | 20,120 |  |  |
Net earnings attributable to nonredeemable noncontrolling interest |  |  |  |  |  |  | 406
Net earnings, Including Portion Attributable to Nonredeemable Noncontrolling Interest | 20,526 |  |  |  |  |  |
Other comprehensive (loss) gains | (3,009) |  |  |  | (3,201) | 192 |
Issuances of common stock, and related tax effects (in shares) |  | 7 |  |  |  |  |
Issuances of common stock, and related tax effects | 903 | $ 0 | 903 |  |  |  |
Share-based compensation | $ 875 |  | 875 |  |  |  |
Common share repurchases (in shares) | (14) | (14) |  |  |  |  |
Common share repurchases | $ (7,000) | $ (1) | (1,892) | (5,107) |  |  |
Cash dividends paid on common shares ($6.40 per share, $5.60 per share and $4.83 per share for the years ended December 31, 2022, 2021 and 2020, respectively) | (5,991) |  |  | (5,991) |  |  |
Redeemable noncontrolling interests fair value and other adjustments | 114 |  | 114 |  |  |  |
Acquisition and other adjustments of nonredeemable noncontrolling interests | 374 |  |  |  |  |  | 374
Distributions to nonredeemable noncontrolling interests | (387) |  |  |  |  |  | (387)
Balance at Dec. 31, 2022 | $ 81,450 | $ 9 | $ 0 | $ 86,156 | $ (2,778) | $ (5,615) | $ 3,678
Balance (in shares) at Dec. 31, 2022 | 934 | 934 |  |  |  |  |

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