RETIREMENT BENEFITS (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
U.S. Pension Plans
Contributions
Minimum required cash contributions	$ 0
Summary of company contributions
Company contributions			21	25
Company contributions expected for the remainder of the year	21		21	21
U.S. Pension Plans | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	4.75%	4.20%	4.75%		3.90%
Assumption used in determining net benefit expense
Discount rate (as a percent)	4.20%	3.90%			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			(36)	(36)
Non - U.S. Pension Plans
Summary of company contributions
Company contributions			125	75
Company contributions expected for the remainder of the year	88		88	137
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			(19)	(19)
Effect of one-percentage-point decrease in the discount rates			22	25
Summary of company contributions
Company contributions	11
Non - U.S. Pension Plans | Minimum | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	4.70%	4.40%	4.70%		4.50%
Assumption used in determining net benefit expense
Discount rate (as a percent)	4.40%	4.50%			5.20%
Non - U.S. Pension Plans | Maximum | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	8.40%	7.40%	8.40%		7.70%
Assumption used in determining net benefit expense
Discount rate (as a percent)	7.40%	7.70%			8.50%
Non - U.S. Pension Plans | Weighted Average | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	6.52%	6.09%	6.52%		6.21%
Assumption used in determining net benefit expense
Discount rate (as a percent)	6.09%	6.21%			6.79%
U.S. Postretirement Benefit Plans
Summary of company contributions
Company contributions			28	28
Company contributions expected for the remainder of the year	28		28	27
U.S. Postretirement Benefit Plans | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	4.40%	3.60%	4.40%		3.60%
Assumption used in determining net benefit expense
Discount rate (as a percent)	3.60%	3.60%			4.30%
Summary of company contributions
Company contributions	16
Non-U.S. Postretirement Benefit Plans
Summary of company contributions
Company contributions			168	3
Company contributions expected for the remainder of the year	$ 5		$ 5	$ 84
Non-U.S. Postretirement Benefit Plans | Significant plans measured quarterly
Discount rate
Discount rate (as a percent)	8.40%	7.40%	8.40%		7.70%
Assumption used in determining net benefit expense
Discount rate (as a percent)	7.40%	7.70%			8.50%