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Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION PLAN - NONVESTED SHARES (Details)

v3.6.0.2
STOCK-BASED COMPENSATION PLAN - NONVESTED SHARES (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
STOCK-BASED COMPENSATION PLAN Ìý Ìý Ìý
Vesting period 3 years Ìý Ìý
Performance Awards Ìý Ìý Ìý
STOCK-BASED COMPENSATION PLAN Ìý Ìý Ìý
Vesting period 2 years Ìý Ìý
Weighted-average volatility rate 39.30% 30.00% Ìý
Risk-free interest rate (as a percent) 0.90% 0.70% Ìý
Shares Ìý Ìý Ìý
Granted (in shares) Ìý Ìý 0
Performance Awards | Minimum Ìý Ìý Ìý
Additional information Ìý Ìý Ìý
Performance period 2 years Ìý Ìý
Performance Awards | Maximum Ìý Ìý Ìý
Additional information Ìý Ìý Ìý
Performance period 3 years Ìý Ìý
Equity Awards Ìý Ìý Ìý
Shares Ìý Ìý Ìý
Nonvested at the beginning of the period (in shares) 1,854,000 Ìý Ìý
Granted (in shares) 1,889,000 Ìý Ìý
Vested (in shares) (671,000) Ìý Ìý
Forfeited (in shares) (76,000) Ìý Ìý
Nonvested at the end of the period (in shares) 2,996,000 1,854,000 Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) $ 19.97 Ìý Ìý
Granted (in dollars per share) 9.28 Ìý Ìý
Vested (in dollars per share) 19.74 Ìý Ìý
Forfeited (in dollars per share) 16.42 Ìý Ìý
Nonvested at the end of the period (in dollars per share) $ 13.36 $ 19.97 Ìý
Liability Awards Ìý Ìý Ìý
Shares Ìý Ìý Ìý
Nonvested at the beginning of the period (in shares) 475,000 Ìý Ìý
Granted (in shares) 715,000 Ìý Ìý
Vested (in shares) (243,000) Ìý Ìý
Forfeited (in shares) (35,000) Ìý Ìý
Nonvested at the end of the period (in shares) 912,000 475,000 Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) $ 21.37 Ìý Ìý
Granted (in dollars per share) 9.09 Ìý Ìý
Vested (in dollars per share) 20.18 Ìý Ìý
Forfeited (in dollars per share) 15.74 Ìý Ìý
Nonvested at the end of the period (in dollars per share) $ 12.27 $ 21.37 Ìý
Restricted stock units Ìý Ìý Ìý
Shares Ìý Ìý Ìý
Vested (in shares) (60,948) Ìý Ìý
Additional information Ìý Ìý Ìý
Number of restricted stock units vested at the balance sheet date (in shares) 454,900 Ìý Ìý
Nonvested shares Ìý Ìý Ìý
Additional information Ìý Ìý Ìý
Total unrecognized compensation cost $ 28 Ìý Ìý
Weighted-average period over which cost is expected to be recognized 1 year 10 months 24 days Ìý Ìý
Value of share awards vested $ 16 $ 20 $ 19