Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

The following discloses basic and diluted weighted average shares outstanding:

	Year Ended December 31,
(Shares in millions)	2015	2014	2013
Basic and Diluted weighted average shares outstanding	779	777	772

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table discloses the number of anti-dilutive shares excluded:

	Year Ended December 31,
(Shares in millions)	2015	2014	2013
Anti-dilutive potential shares	3	5	5