TRANSFERS OF FINANCIAL ASSETS (Sale of Trade Accounts Receivable in North America and Europe) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014
Tranfers of Financial Assets [Line Items]
Interests in conduits	$ 285		$ 150
North America and Europe [Member]
Tranfers of Financial Assets [Line Items]
Carrying value of interests held	1,263				1,328
North America and Europe [Member] | Trade Accounts Receivable [Member]
Tranfers of Financial Assets [Line Items]
Percentage of Anticipated Credit Losses	0.34%				0.35%
Impact to carrying value, 10 percent adverse change	1				1
Impact to carrying value, 20 percent adverse change	2				2
Sale of receivables	12		0
Collections reinvested in revolving receivables	5,461		6,189
Interests in conduits	285	[1]	150	[1]
Delinquencies on sold receivables still outstanding	113				133
Trade accounts receivable outstanding and derecognized	$ 2,524				$ 2,607

[1] Presented in "Operating Activities" in the consolidated statements of cash flows.