Supplemental Share Information - shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Supplemental Share Information Treasury Stock | |||
| Treasury Stock, Shares, Beginning Balance | 368,848,221 | 367,457,888 | 349,148,819 |
| Reacquired stock | 2,286,109 | 7,575,647 | 23,526,293 |
| Issuances pursuant to stock options and benefit plans | (4,850,912) | (6,185,314) | (5,217,224) |
| Treasury Stock, Shares, Ending Balance | 366,283,418 | 368,848,221 | 367,457,888 |
| X | ||||||||||
- Definition Rollforward of Treasury Shares for the periods presented in the report. No definition available.
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| X | ||||||||||
- Definition Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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