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Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION PLANS (Details 2)

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STOCK-BASED COMPENSATION PLANS (Details 2)
$ / shares in Units, $ in Millions
 9 Months Ended
Sep. 30, 2015
USD ($)
$ / shares
shares
Sep. 30, 2014
USD ($)
Nonvested shares Ìý Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted under the Stock Incentive Plan | $ $ 26 Ìý
Weighted-average period over which cost is expected to be recognized 1 year 9 months 18 days Ìý
Value of share awards vested | $ $ 20 $ 19
Performance Awards Ìý Ìý
Nonvested shares Ìý Ìý
Weighted-average volatility rate 30.00% Ìý
Risk-free interest rate (as a percent) 0.70% Ìý
Performance Awards | Minimum Ìý Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
Performance period 2 years Ìý
Performance Awards | Maximum Ìý Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
Performance period 3 years Ìý
Equity Awards Ìý Ìý
Nonvested shares Ìý Ìý
Nonvested at the beginning of the period (in shares) 1,821,000 Ìý
Granted (in shares) 855,000 Ìý
Vested (in shares) (779,000) Ìý
Forfeited (in shares) (39,000) Ìý
Nonvested at the end of the period (in shares) 1,858,000 Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) | $ / shares $ 17.37 Ìý
Granted (in dollars per share) | $ / shares 23.25 Ìý
Vested (in dollars per share) | $ / shares 17.30 Ìý
Forfeited (in dollars per share) | $ / shares 22.07 Ìý
Nonvested at the end of the period (in dollars per share) | $ / shares $ 19.99 Ìý
Liability Awards Ìý Ìý
Nonvested shares Ìý Ìý
Nonvested at the beginning of the period (in shares) 492,000 Ìý
Granted (in shares) 256,000 Ìý
Vested (in shares) (259,000) Ìý
Forfeited (in shares) (10,000) Ìý
Nonvested at the end of the period (in shares) 479,000 Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) | $ / shares $ 18.50 Ìý
Granted (in dollars per share) | $ / shares 22.77 Ìý
Vested (in dollars per share) | $ / shares 17.09 Ìý
Forfeited (in dollars per share) | $ / shares 21.27 Ìý
Nonvested at the end of the period (in dollars per share) | $ / shares $ 21.48 Ìý
Restricted stock units Ìý Ìý
Nonvested shares Ìý Ìý
Vested (in shares) (29,645) Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
The number of restricted stock units vested at the balance sheet date (in shares) 393,952 Ìý
Vested restricted stock units for which common stock shares were issued during the period 29,921 Ìý