RETIREMENT BENEFITS (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
U.S. Pension Plans
Contributions
Minimum required cash contributions	$ 0
Summary of company contributions
Company contributions			32	35
Company contributions expected for the remainder of the year	11		11	11
U.S. Pension Plans | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	4.80%	4.75%	4.80%		3.90%
Assumption used in determining net benefit expense
Discount rate (as a percent)	4.75%	4.20%			4.70%
Effect of one-percentage-point change in the discount rates
Effect of one-percentage-point increase in the discount rates			16	18
Effect of one-percentage-point decrease in the discount rates			(56)	(36)
Non - U.S. Pension Plans
Summary of company contributions
Company contributions			282	213
Company contributions expected for the remainder of the year	57		57	100
Non - U.S. Pension Plans | Significant plans measured quarterly
Effect of one-percentage-point change in the discount rates
Effect of one-percentage-point increase in the discount rates			(26)	(19)
Effect of one-percentage-point decrease in the discount rates			34	25
Summary of company contributions
Company contributions			129
Non - U.S. Pension Plans | Minimum | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	4.50%	4.70%	4.50%		4.50%
Assumption used in determining net benefit expense
Discount rate (as a percent)	4.70%	4.40%			5.20%
Non - U.S. Pension Plans | Maximum | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	8.90%	8.40%	8.90%		7.70%
Assumption used in determining net benefit expense
Discount rate (as a percent)	8.40%	7.40%			8.50%
Non - U.S. Pension Plans | Weighted Average | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	6.49%	6.52%	6.49%		6.21%
Assumption used in determining net benefit expense
Discount rate (as a percent)	6.52%	6.09%			6.79%
U.S. Postretirement Benefit Plans
Summary of company contributions
Company contributions			49	41
Company contributions expected for the remainder of the year	16		16	14
U.S. Postretirement Benefit Plans | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	4.30%	4.40%	4.30%		3.60%
Assumption used in determining net benefit expense
Discount rate (as a percent)	4.40%	3.60%			4.30%
Summary of company contributions
Company contributions			20
Non-U.S. Postretirement Benefit Plans
Summary of company contributions
Company contributions			244	4
Company contributions expected for the remainder of the year	1		1	86
Non-U.S. Postretirement Benefit Plans | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	8.90%	8.40%	8.90%		7.70%
Assumption used in determining net benefit expense
Discount rate (as a percent)	8.40%	7.40%			8.50%
Summary of company contributions
Company contributions			$ 78