Share-Based Compensation (Stock Options and Restricted Share Units) (Details) shares in Millions |
12 Months Ended |
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Dec. 31, 2018
$ / shares
shares
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Stock options granted (in shares) | 41 |
| Weighted-average exercise price of awards granted during the year (in dollars per share) | $ / shares | $ 35.81 |
| Stock options outstanding (in shares) | 200 |
| Weighted-average exercise price of shares outstanding (in dollars per share) | $ / shares | $ 27.69 |
| Restricted share units [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Awards granted (in shares) | 24 |
| Awards nonvested (in shares) | 51 |
| Weighted-average fair value at grant date of nonvested awards (in dollars per share) | $ / shares | $ 33.77 |
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Details
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