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Earnings Per Share - Narrative (Details) shares in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 shares | Dec. 31, 2020 shares | Dec. 31, 2019 shares
Class B Common Stock |  |  |
Class of Stock [Line Items] |  |  |
Basic weighted average shares outstanding (in shares) | 215 | 359 | 479
Common Class A and B |  |  |
Class of Stock [Line Items] |  |  |
Basic weighted average shares outstanding (in shares) | 1,039 | 1,034 | 1,034
Class A Common Stock |  |  |
Class of Stock [Line Items] |  |  |
Basic weighted average shares outstanding (in shares) | 824 | 675 | 555
Conversion ratio | 1 |  |
Class A Common Stock | Options |  |  |
Class of Stock [Line Items] |  |  |
Antidilutive securities excluded from diluted EPS calculation (in shares) |  |  | 6

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=125511455&loc=d3e1448-109256 + Details
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