Earnings Per Share (Tables)
|6 Months Ended|
Jun. 30, 2017
|Earnings Per Share [Abstract]|
|Calculation of Basic and Diluted Net Earnings (Loss) Per Common Share||
The following table sets forth the calculation of basic and diluted net earnings (loss) per common share ($ in millions, except shares in thousands and per share data):
Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.
Reference 1: http://www.xbrl.org/2003/role/presentationRef