EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Reconciliation of Basic Shares to Diluted Shares

The following table is a reconciliation of basic shares to diluted shares.

years ended December 31 (in millions)	2017		2016		2015
Basic shares		543		546		545
Effect of dilutive securities		12		5		4
Diluted shares		555		551		549