LEASE COMMITMENTS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Leases Operating [Abstract]
Years of operating lease terms	Principally all our operating leases have initial terms of up to 25 years, and some contain renewal options subject to customary conditions.
Rent expense	$ 390	$ 386	$ 369
Operating Leases Future Minimum Payments Due Abstract
2013	305
2014	251
2015	191
2016	133
2017	96
Thereafter	312
Total	$ 1,288