Stock-based Compensation Plans - Stock Options (Details) |
12 Months Ended |
|---|---|
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Dec. 31, 2015
USD ($)
$ / shares
shares
| |
| Options | |
| Outstanding at beginning of period (in shares) | shares | 88,087,054 |
| Forfeited (in shares) | shares | (24,211,579) |
| Outstanding at end of period (in shares) | shares | 63,875,475 |
| Weighted- average Exercise Price | |
| Outstanding at beginning of period (in dollars per share) | $ / shares | $ 48.96 |
| Forfeited (in dollars per share) | $ / shares | 48.38 |
| Outstanding at end of period (in dollars per share) | $ / shares | $ 49.18 |
| Outstanding, weighted average remaining contractual term | 1 year 1 month |
| Aggregate intrinsic value | $ | $ 0 |
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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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://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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