EQUITY-BASED COMPENSATION (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Equity Based Compensation Details [Abstract]
Number of shares authorized for grant (in shares)	20,000,000		20,000,000
Number of shares available for grant (in shares)	12,100,000		12,100,000
Equity-Based Compensation Expense & Unrecognized Compensation Cost
Equity-based compensation expense	$ 26	$ 26	$ 100	$ 104
Restricted Stock Units
Number of unvested restricted stock units granted (in shares)			1,200,000	1,441,000
Weighted-average grant date fair value, restricted stock units granted (in US dollars per share)			$ 87.30	$ 77.07
Stock Options
Number of options granted (in shares)			2,539,000	3,017,000
Weighted-average grant date fair value, options granted (in US dollars per share)			$ 15.66	$ 16.85
Stock Options Fair Value Assumptions
Expected volatility			26.14%	30.03%
Expected term to exercise from grant date			5 years 11 months 13 days	6 years 5 months 7 days
Risk-free rate			1.19%	1.35%
Expected dividend yield			2.97%	2.91%
Restricted Stock Units [Member]
Equity-Based Compensation Expense & Unrecognized Compensation Cost
Equity-based compensation expense	19	18	69	67
Total unrecognized compensation cost	153		153
Total unrecognized compensation cost, period for recognition			2 years 7 months 20 days
Award vesting period, directors			3 years
Restricted Stock Units [Member] | Minimum [Member]
Equity-Based Compensation Expense & Unrecognized Compensation Cost
Award vesting period			3 years
Restricted Stock Units [Member] | Maximum [Member]
Equity-Based Compensation Expense & Unrecognized Compensation Cost
Award vesting period			4 years
Stock Options [Member]
Equity-Based Compensation Expense & Unrecognized Compensation Cost
Equity-based compensation expense	7	8	31	37
Total unrecognized compensation cost	$ 54		$ 54
Total unrecognized compensation cost, period for recognition			2 years 7 months 5 days
Award vesting period			4 years
Award expiration period			10 years
Performance Based Award [Member]
Restricted Stock Units
Number of unvested restricted stock units granted (in shares)			142,000	196,000
Weighted-average grant date fair value, restricted stock units granted (in US dollars per share)			$ 87.31	$ 77.13
Stock Options
Number of options granted (in shares)			302,000	372,000
Weighted-average grant date fair value, options granted (in US dollars per share)			$ 15.57	$ 16.85