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Earnings per Share (Unaudited) Earnings per Share (Tables) | 3 Months Ended
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Mar. 31, 2022
Earnings Per Share [Abstract] |
Reconciliation of net income (loss) and weighted-average shares of common stock outstanding | Reconciliations of net income and weighted-average shares of common stock outstanding for purposes of calculating basic and diluted net income per share follow (in millions, except per share amounts):
| Three Months Ended |  |  |
| March 31, |  |  |
| 2022 |  | 2021 |  |  |  |  |
Net income | $ | 1,904 |  |  | $ | 953 |  |  |  |  |  |
Net income attributable to noncontrolling interests | (377) |  |  | (235) |  |  |  |  |  |
Undistributed earnings allocated to participating securities | (5) |  |  | (4) |  |  |  |  |  |
Net income attributable to common stockholders | $ | 1,522 |  |  | $ | 714 |  |  |  |  |  |
Basic weighted-average shares of common stock outstanding | 1,455 |  |  | 1,462 |  |  |  |  |  |
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs) | 14 |  |  | 15 |  |  |  |  |  |
Diluted weighted-average shares of common stock outstanding | 1,469 |  |  | 1,477 |  |  |  |  |  |
Basic net income per share attributable to common stockholders | $ | 1.05 |  |  | $ | 0.49 |  |  |  |  |  |
Diluted net income per share attributable to common stockholders | $ | 1.04 |  |  | $ | 0.48 |  |  |  |  |  |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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