Summary of Significant Accounting Principles - Change in Accounting Method (Details) $ in Millions |
Jan. 01, 2015
USD ($)
|
|---|---|
| Stock-Based Compensation Awards | |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Cumulative effect of change in retained earnings | $ (635) |
| X | ||||||||||
- Definition Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Details
|