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SHORT-TERM AND LONG-TERM DEBT - Schedule of Long-Term Debt Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Other	$ 41	$ 49
Other, fair value	41	49
Long-term debt, gross	2,181	2,193
Long-term debt, gross, fair value	2,231	2,159
Less current maturities	(82)	(81)
Less current maturities, fair value	(82)	(81)
Debt issuance costs and discounts, net of amortization	(22)	(22)
Debt issuance costs and discounts, fair value	(22)	(22)
Long-term debt (less current maturities)	2,077	2,090
Long-term debt, excluding current maturities, , fair value	2,127	2,056
British pound denominated term loan and revolving credit facility [Member]
Debt Instrument [Line Items]
Long-term debt	172	174
Long-term debt, fair value	172	174
Euro denominated term loan and revolving credit facility [Member]
Debt Instrument [Line Items]
Long-term debt	123	126
Long-term debt, fair value	123	126
Canadian dollar revolving credit facility [Member]
Debt Instrument [Line Items]
Long-term debt	45	44
Long-term debt, fair value	45	44
Senior Notes, 4.60% due 2045 [Member] | Senior notes [Member]
Debt Instrument [Line Items]
Long-term debt	1,000	1,000
Long-term debt, fair value	1,075	1,026
Senior Notes, 3.75% due 2046 [Member] | Senior notes [Member]
Debt Instrument [Line Items]
Long-term debt	400	400
Long-term debt, fair value	374	357
Senior Notes, 4.20% due 2047 [Member] | Senior notes [Member]
Debt Instrument [Line Items]
Long-term debt	400	400
Long-term debt, fair value	$ 401	$ 383

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