SEGMENT INFORMATION - Tabular Information by Segment and Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Sales
Net sales	$ 7,967	$ 8,680	$ 8,375
Operating profit	1,348	1,297	1,405
Other income (expense), net	(110)	(104)	(717)
Income before income taxes	1,238	1,193	688
Assets	5,363	5,187	5,575
Export sales from U.S. included in net sales	$ 253	$ 337	$ 322
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	$ 3,070	$ 3,298	$ 3,037
North America
Net Sales
Net sales	6,384	6,978	6,624
International, particularly Europe
Net Sales
Net sales	1,583	1,702	1,751
United States
Net Sales
Long-lived assets	1,459	1,372	1,332
United States | Sales
Net Sales
Net sales	6,140	6,756	6,387
Europe
Net Sales
Long-lived assets	677	548	546
Plumbing Products
Net Sales
Net sales	4,842	5,252	5,135
Plumbing Products | North America
Net Sales
Net sales	3,259	3,550	3,384
Plumbing Products | International, particularly Europe
Net Sales
Net sales	1,583	1,702	1,751
Decorative Architectural Products
Net Sales
Net sales	3,125	3,428	3,240
Decorative Architectural Products | North America
Net Sales
Net sales	3,125	3,428	3,240
Decorative Architectural Products | International, particularly Europe
Net Sales
Net sales	0	0	0
Operating Segments
Net Sales
Net sales	7,967	8,680	8,375
Operating profit	1,439	1,384	1,510
Assets	4,837	4,876	4,976
Operating Segments | North America
Net Sales
Net sales	6,384	6,978	6,624
Operating profit	1,210	1,116	1,214
Assets	3,538	3,552	3,510
Operating Segments | International, particularly Europe
Net Sales
Net sales	1,583	1,702	1,751
Operating profit	229	268	296
Assets	1,299	1,324	1,466
Operating Segments | Plumbing Products
Net Sales
Net sales	4,842	5,252	5,135
Operating profit	861	819	929
Assets	3,140	3,096	3,195
Operating Segments | Decorative Architectural Products
Net Sales
Net sales	3,125	3,428	3,240
Operating profit	578	565	581
Assets	1,696	1,780	1,781
Corporate, Non-Segment
Net Sales
General corporate expense, net	(91)	(87)	(105)
Assets	$ 527	$ 311	$ 599