SHARE-BASED COMPENSATION - Schedule of Stock Appreciation Rights Activity (Details) (Stock appreciation rights, USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Stock appreciation rights
Rights
Balance, beginning of year	1,151
Granted	0
Exercised	(440)
Forfeited or expired	(16)
Balance, end of year	695
Exercisable, end of year	592
Weighted Average Exercise Price
Balance, beginning of year	$ 22.67
Granted	$ 0.00
Exercised	$ 22.08
Forfeited or expired	$ 26.20
Balance, end of year	$ 22.96
Exercisable, end of year	$ 23.62
Average Remaining Contractual Term
Balance, end of year	4 years 0 months 15 days
Exercisable, end of year	3.51
Aggregate Intrinsic Value
Balance, end of year	$ 6
Exercisable, end of year	$ 5