SEGMENT INFORMATION - Financial Information of Segments (Details) $ in Millions	3 Months Ended								6 Months Ended		12 Months Ended
	Dec. 31, 2019 USD ($) u_baxGeographical	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2019 USD ($) u_baxGeographical	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Net sales	$ 3,039	$ 2,851	$ 2,834	$ 2,638	$ 2,833	$ 2,761	$ 2,813	$ 2,692	$ 5,472	$ 5,505	$ 11,362	$ 11,099	$ 10,584
Total segment operating income			350	383	391		377	434	733	811	1,772	1,584	1,288
Depreciation											606	602	596
Capital Expenditures											686	692	606
Interest Income (Expense), Net			20	18	11		11	12	38	23	71	45	55
Other Nonoperating Income (Expense)			4	(21)	(33)		(38)	(6)	(17)	(44)	731	(78)	133
Income from continuing operations before income taxes			$ 326	$ 386	$ 413		$ 404	$ 428	$ 712	$ 832	$ 970	1,617	1,100
Number Geographical Segments | u_baxGeographical	3										3
Americas
Segment Reporting Information [Line Items]
Net sales											$ 6,094	5,951	5,718
EMEA
Segment Reporting Information [Line Items]
Net sales											2,968	2,946	2,752
APAC
Segment Reporting Information [Line Items]
Net sales											2,300	2,202	2,114
Operating Segments
Segment Reporting Information [Line Items]
Total segment operating income											3,575	3,609	3,310
Operating Segments | Americas
Segment Reporting Information [Line Items]
Total segment operating income											2,374	2,411	2,238
Depreciation											255	229	231
Capital Expenditures											325	296	269
Operating Segments | EMEA
Segment Reporting Information [Line Items]
Total segment operating income											652	666	562
Depreciation											149	158	149
Capital Expenditures											143	140	141
Operating Segments | APAC
Segment Reporting Information [Line Items]
Total segment operating income											549	532	510
Depreciation											85	95	84
Capital Expenditures											98	122	95
Corporate and Other
Segment Reporting Information [Line Items]
Total segment operating income											(1,803)	(2,025)	(2,022)
Depreciation											117	120	132
Capital Expenditures											$ 120	$ 134	$ 101