OTHER FINANCIAL DATA - EARNINGS PER SHARE (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share Numerator [Abstract]
Earnings	$ 348		$ 296	$ 864	$ 719
Earnings Per Share Denominator [Abstract]
Weighted-average common shares outstanding for basic EPS	246,137,000		244,140,000	245,703,000	243,682,000
Dilutive effect of stock options, restricted stock awards and restricted stock units	4,634,000		5,119,000	4,575,000	5,041,000
Weighted-average common shares outstanding for diluted EPS	250,771,000		249,259,000	250,278,000	248,723,000
Earnings Per Share [Abstract]
Basic earnings per common share	$ 1.41		$ 1.21	$ 3.52	$ 2.95
Diluted earnings per common share	$ 1.39		$ 1.19	$ 3.45	$ 2.89
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares excluded from potential dilutive shares	844,251		712,941	971,943	889,420
Ninetieth Percentile [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	200.00%	[1],[2]
Seventy Fifth Percentile Or Above [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	150.00%	[1],[2]
Fiftieth Percentile [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	100.00%	[1],[2]
Thirty Fifth Percentile Or Below [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	0.00%	[1],[2]
Eighth Percentile [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	200.00%	[1],[2]
Six And Seven Tenths Percentile [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	150.00%	[1],[2]
Four And Four Tenths Percentile [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	100.00%	[1],[2]
Three And Three Tenths Percentile [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage	0.00%	[1],[2]
Out Of The Money Stock Options [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	0		0	0	0
Employee Stock Option [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	0		0	0	0
Restricted Stock [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	0		0	0	0
Restricted Stock Units [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	0		0	0	0

[1] Participants also receive additional shares for dividend equivalents on shares subject to RSUs, which are deemed reinvested to purchase additional units that become subject to the same vesting conditions as the RSUs to which the dividends relate.

[2] If performance falls between the tiers shown above, we calculate the payout using linear interpolation.