Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE EARNINGS PER SHARE (Antidilutive Securities Excluded from Computation) (Details)

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EARNINGS PER SHARE EARNINGS PER SHARE (Antidilutive Securities Excluded from Computation) (Details) - shares
shares in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Incremental Common Shares Excluded and Attributable to Share-based Payment Arrangements 4.2 3.8
316.25 million 1.50% 2025 Convertible Senior Notes 7.3 0.0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 11.5 3.8