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EARNINGS AND DIVIDENDS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Earnings Per Share [Abstract]    
Earnings, net of tax $ 251 $ 171
Weighted average shares used for basic EPS (in shares) 147,800,000 148,700,000
Dilutive effect of stock options and other awards 1,000,000 1,000,000
Weighted average shares used for diluted EPS (in shares) 148,800,000 149,700,000
Earnings, basic [1] $ 1.70 $ 1.15
Earnings, diluted [1] $ 1.69 $ 1.14
Underlying options excluded from the computation of diluted earnings per share (in shares) 1,081,423 784,890
Shares repurchased (in shares) 287,281 370,000
Cash dividends declared (per share) $ 0.46 $ 0.40
[1] Earnings per share are calculated using whole dollars and shares.