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Registration of securities issued in business combination transactions

STOCK-BASED COMPENSATION PLAN (Details)

v2.4.0.6
STOCK-BASED COMPENSATION PLAN (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
STOCK-BASED COMPENSATION PLANS Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Authorized number of shares to be granted under the Stock Incentive Plan 32,600,000 Ìý 32,600,000 Ìý 32,600,000 Ìý Ìý
Remaining shares available for grant 8,000,000 Ìý 8,000,000 Ìý 10,600,000 Ìý Ìý
Vesting period Ìý Ìý 3 years Ìý 3 years Ìý Ìý
STOCK-BASED COMPENSATION PLANS Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Compensation cost from continuing operations $ 6 $ 2 $ 20 $ 17 $ 22 $ 24 $ 16
Total income tax benefit recognized in the statements of operations for stock-based compensation arrangements Ìý Ìý 6 5 6 8 6
Stock options
 Ìý Ìý Ìý Ìý Ìý Ìý Ìý
STOCK-BASED COMPENSATION PLANS Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Maximum contractual term Ìý Ìý 10 years Ìý 10 years Ìý Ìý
Weighted average of the assumptions utilized for stock options granted Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Dividend yield (as a percent) Ìý 3.60% 3.00% 2.30% 2.30% 3.00% 15.40%
Expected volatility (as a percent) Ìý 65.00% 65.30% 65.60% 65.60% 69.00% 70.40%
Risk-free interest rate (as a percent) Ìý 1.80% 1.30% 2.80% 2.80% 3.10% 2.50%
Expected life of stock options granted during the period Ìý 6 years 7 months 6 days 6 years 7 months 6 days 6 years 7 months 6 days 6 years 7 months 6 days 6 years 7 months 6 days 6 years 7 months 6 days
Option Awards, Shares Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Outstanding at the beginning of the period (in shares) Ìý Ìý 10,345,000 10,997,000 10,997,000 Ìý Ìý
Granted (in shares) Ìý Ìý 1,363,000 Ìý 953,000 Ìý Ìý
Stock options exercised (in shares) Ìý Ìý (661,000) Ìý (1,268,000) Ìý Ìý
Forfeited (in shares) Ìý Ìý (251,000) Ìý (337,000) Ìý Ìý
Outstanding at the end of the period (in shares) 10,796,000 Ìý 10,796,000 Ìý 10,345,000 10,997,000 Ìý
Exercisable at the end of the period (in shares) 8,643,000 Ìý 8,643,000 Ìý 7,089,000 Ìý Ìý
Option Awards, Weighted Average Exercise Price Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Outstanding at the beginning of the period (in dollars per share) Ìý Ìý $ 13.83 $ 12.28 $ 12.28 Ìý Ìý
Granted (in dollars per share) Ìý Ìý $ 13.41 Ìý $ 17.51 Ìý Ìý
Exercised (in dollars per share) Ìý Ìý $ 3.25 Ìý $ 2.82 Ìý Ìý
Forfeited (in dollars per share) Ìý Ìý $ 19.76 Ìý $ 15.14 Ìý Ìý
Outstanding at the end of the period (in dollars per share) $ 14.29 Ìý $ 14.29 Ìý $ 13.83 $ 12.28 Ìý
Exercisable at the end of the period (in dollars per share) $ 14.27 Ìý $ 14.27 Ìý $ 16.34 Ìý Ìý
Outstanding, Weighted Average Remaining Contractual Term Ìý Ìý 5 years 7 months 6 days Ìý 5 years 10 months 24 days Ìý Ìý
Exercisable, Weighted Average Remaining Contractual Term Ìý Ìý 4 years 9 months 18 days Ìý 5 years Ìý Ìý
Outstanding, Aggregate Intrinsic Value 41 Ìý 41 Ìý 27 Ìý Ìý
Exercisable, Aggregate Intrinsic Value 38 Ìý 38 Ìý 13 Ìý Ìý
Weighted-average grant-date fair value of stock options granted (in dollars per share) Ìý Ìý $ 6.36 Ìý $ 9.17 $ 6.97 $ 0.51
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted under the Stock Incentive Plan 11 Ìý 11 Ìý 8 Ìý Ìý
Weighted-average period over which cost is expected to be recognized Ìý Ìý 1 year 7 months 6 days Ìý 7 months 6 days Ìý Ìý
Total intrinsic value of stock options exercised Ìý Ìý $ 7 $ 19 $ 19 $ 14 Ìý