Subsequent Events (Details) $ in Billions |
Jan. 16, 2018
USD ($)
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| Subsequent Event [Member] | |
| Subsequent Event [Line Items] | |
| Targeted reduction of annual costs | $ 1 |
| X | ||||||||||
- Definition The quantified amount of the future effect on earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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| X | ||||||||||
- Details
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