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Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION PLAN (Details 2)

v2.4.0.6
STOCK-BASED COMPENSATION PLAN (Details 2) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Y
Dec. 31, 2010
Dec. 31, 2009
Nonvested shares
Ìý Ìý Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý Ìý
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted under the Stock Incentive Plan $ 16 Ìý Ìý
Weighted-average period over which cost is expected to be recognized (in years) 0.9 Ìý Ìý
Value of share awards vested $ 23 $ 18 $ 12
Equity Awards
Ìý Ìý Ìý
Nonvested shares Ìý Ìý Ìý
Nonvested at the beginning of the period (in shares) 3,126,000 Ìý Ìý
Granted (in shares) 675,000 Ìý Ìý
Vested (in shares) (1,500,000) Ìý Ìý
Forfeited (in shares) (14,000) Ìý Ìý
Nonvested at the end of the period (in shares) 2,287,000 Ìý Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) $ 6.95 Ìý Ìý
Granted (in dollars per share) $ 17.55 Ìý Ìý
Vested (in dollars per share) $ 7.20 Ìý Ìý
Forfeited (in dollars per share) $ 4.98 Ìý Ìý
Nonvested at the end of the period (in dollars per share) $ 9.92 Ìý Ìý
Liability Awards
Ìý Ìý Ìý
Nonvested shares Ìý Ìý Ìý
Nonvested at the beginning of the period (in shares) 1,642,000 Ìý Ìý
Granted (in shares) 311,000 Ìý Ìý
Vested (in shares) (729,000) Ìý Ìý
Forfeited (in shares) (124,000) Ìý Ìý
Nonvested at the end of the period (in shares) 1,100,000 Ìý Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) $ 6.05 Ìý Ìý
Granted (in dollars per share) $ 17.59 Ìý Ìý
Vested (in dollars per share) $ 5.55 Ìý Ìý
Forfeited (in dollars per share) $ 7.99 Ìý Ìý
Nonvested at the end of the period (in dollars per share) $ 9.42 Ìý Ìý
Restricted stock units
Ìý Ìý Ìý
Nonvested shares Ìý Ìý Ìý
Vested (in shares) (115,045) Ìý Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý Ìý
The number of restricted stock units vested at the balance sheet date (in shares) 444,177 Ìý Ìý
Vested restricted stock units reflected (in shares) 176,327 Ìý Ìý