SEGMENT INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net Sales
Net sales	$ 8,375	$ 7,188	$ 6,707
Operating profit	1,405	1,295	1,088
Other income (expense), net	(717)	(164)	(174)
Income from continuing operations before income taxes	688	1,131	914
Assets	5,575	5,777	5,027
Assets held for sale	0	0	528
Export sales from U.S. included in net sales	$ 322	$ 274	$ 244
Maximum
Net Sales
Intra-company sales between segments in percentage	1.00%	1.00%	1.00%
One customer | Customer concentration risk | Sales
Net Sales
Net sales	$ 3,037	$ 2,812	$ 2,481
North America
Net Sales
Net sales	6,624	5,805	5,328
International, principally Europe
Net Sales
Net sales	1,751	1,383	1,379
United States
Net Sales
Long-lived assets	1,332	1,301	1,198
United States | Sales
Net Sales
Net sales	6,387	5,592	5,127
Europe
Net Sales
Long-lived assets	546	522	470
Plumbing Products
Net Sales
Net sales	5,135	4,136	3,984
Plumbing Products | North America
Net Sales
Net sales	3,384	2,753	2,605
Plumbing Products | International, principally Europe
Net Sales
Net sales	1,751	1,383	1,379
Decorative Architectural Products
Net Sales
Net sales	3,240	3,052	2,723
Decorative Architectural Products | North America
Net Sales
Net sales	3,240	3,052	2,723
Decorative Architectural Products | International, principally Europe
Net Sales
Net sales	0	0	0
Operating Segments
Net Sales
Net sales	8,375	7,188	6,707
Operating profit	1,510	1,389	1,188
Assets	4,976	4,455	3,901
Operating Segments | North America
Net Sales
Net sales	6,624	5,805	5,328
Operating profit	1,214	1,167	987
Assets	3,510	3,101	2,785
Operating Segments | International, principally Europe
Net Sales
Net sales	1,751	1,383	1,379
Operating profit	296	222	201
Assets	1,466	1,354	1,116
Operating Segments | Plumbing Products
Net Sales
Net sales	5,135	4,136	3,984
Operating profit	929	806	708
Assets	3,195	2,822	2,375
Operating Segments | Decorative Architectural Products
Net Sales
Net sales	3,240	3,052	2,723
Operating profit	581	583	480
Assets	1,781	1,633	1,526
Corporate, Non-Segment
Net Sales
General corporate expense, net	(105)	(94)	(100)
Assets	$ 599	$ 1,322	$ 598