STOCK OWNERSHIP AND COMPENSATION PLANS (Activities Related to Stock Awards) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Stock-based compensation expense	$ 69	$ 52	$ 51
Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Shares outstanding, beginning of year	1.7	1.9	1.9
Shares granted	0.6	0.6	0.7
Shares vested	(0.4)	(0.3)	(0.3)
Shares forfeited and cancelled	(0.4)	(0.5)	(0.4)
Shares outstanding, end of year	1.5	1.7	1.9
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Shares outstanding, beginning of year weighted average grant date fair value	$ 59.92	$ 55.50	$ 57.08
Shares granted weighted average grant date fair value	67.26	71.17	52.72
Shares vested weighted average grant date fair value	58.98	55.74	57.14
Shares forfeited and cancelled weighted average grant date fair value	57.31	58.18	56.44
Shares outstanding, end of year weighted average grant date fair value	$ 63.88	$ 59.92	$ 55.50
Unrecognized stock-based compensation cost	$ 33
Unrecognized stock-based compensation cost weighted average period	1 year 10 months 24 days
Total fair value of shares vested	$ 28	$ 20	$ 17
Stock-based compensation expense	69	52	51
Income tax benefit related to stock-based compensation expense	$ 32	$ 20	$ 20