STOCK-BASED COMPENSATION PLANS (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Stock-based compensation plans
Total compensation cost	$ 993,000,000	$ 932,000,000
Unvested Stock Award shares
Non-vested Stock Awards Outstanding, Number of Shares
Balance at the beginning of the period (in shares)	424
Granted (in shares)	92
Stock awards vested (in shares)	(82)	(62)
Forfeited (in shares)	(10)
Balance at the end of the period (in shares)	424
Non-vested Stock Awards Outstanding, Weighted-Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 24.33
Granted (in dollars per share)	$ 24.90
Stock awards vested (in dollars per share)	$ 24.22
Forfeited (in dollars per share)	$ 23.50
Balance at the end of the period (in dollars per share)	$ 24.48
Options
Stock Options Outstanding, Number of Shares
Balance at the beginning of the period (in shares)	282
Stock options exercised (in shares)	(11)
Balance at the end of the period (in shares)	271
Exercisable options at the end of the period (in shares)	271
Stock Options Outstanding, Weighted-Average Exercise Price
Balance at the beginning of the period (in dollars per share)	$ 20.42
Stock options exercised (in dollars per share)	$ 10.52
Balance at the end of the period (in dollars per share)	$ 21.12
Exercisable options at the end of the period (in dollars per share)	$ 21.12
Stock-based compensation plans
Proceeds from stock option exercises	$ 116,000	$ 718,000,000