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SEGMENT INFORMATION (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 2,041 | $ 2,101 | $ 2,297 | $ 1,920 | $ 1,853 | $ 1,945 | $ 2,066 | $ 1,778 | $ 8,359 | $ 7,642 | $ 7,361
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 1,211 | 1,194 | 1,087
Total other income (expense), net |  |  |  |  |  |  |  |  | (169) | (310) | (255)
Income before income taxes |  |  |  |  |  |  |  |  | 1,042 | 884 | 832
Assets | 5,393 |  |  |  | 5,534 |  |  |  | 5,393 | 5,534 | 5,164
Export sales from U.S. included in net sales |  |  |  |  |  |  |  |  | $ 259 | $ 232 | $ 226
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 |  |  |  |  |  |  |  |  | $ 2,670 | $ 2,535 | $ 2,480
North America |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 6,763 | 6,067 | 5,838
Foreign Locations [Member] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,596 | 1,575 | 1,523
UNITED STATES |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Long-lived assets | 1,928 |  |  |  | 492 |  |  |  | 1,928 | 492 | 1,582
UNITED STATES | Sales |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 6,587 | 5,819 | 5,609
Europe |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Long-lived assets | 482 |  |  |  | 1,508 |  |  |  | 482 | 1,508 | 417
Plumbing Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 3,998 | 3,732 | 3,529
Plumbing Products | North America |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,552 | 2,362 | 2,238
Plumbing Products | Foreign Locations [Member] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,446 | 1,370 | 1,291
Decorative Architectural Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,656 | 2,206 | 2,092
Decorative Architectural Products | North America |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,656 | 2,206 | 2,092
Decorative Architectural Products | Foreign Locations [Member] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cabinetry Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 950 | 934 | 970
Cabinetry Products | North America |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 950 | 891 | 908
Cabinetry Products | Foreign Locations [Member] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 43 | 62
Windows and Other Specialty Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 755 | 770 | 770
Windows and Other Specialty Products | North America |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 605 | 608 | 600
Windows and Other Specialty Products | Foreign Locations [Member] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 150 | 162 | 170
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 8,359 | 7,642 | 7,361
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 1,291 | 1,286 | 1,181
Assets | 4,984 |  |  |  | 4,466 |  |  |  | 4,984 | 4,466 | 4,213
Operating Segments | Plumbing Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 3,998 | 3,732 | 3,529
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 715 | 702 | 654
Assets | 2,253 |  |  |  | 2,298 |  |  |  | 2,253 | 2,298 | 2,028
Operating Segments | Decorative Architectural Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,656 | 2,206 | 2,092
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 456 | 438 | 433
Assets | 1,534 |  |  |  | 965 |  |  |  | 1,534 | 965 | 900
Operating Segments | Cabinetry Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 950 | 934 | 970
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 86 | 92 | 97
Assets | 537 |  |  |  | 526 |  |  |  | 537 | 526 | 539
Operating Segments | Windows and Other Specialty Products |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 755 | 770 | 770
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 34 | 54 | (3)
Assets | 660 |  |  |  | 677 |  |  |  | 660 | 677 | 746
Reportable Geographical Components |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 8,359 | 7,642 | 7,361
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 1,291 | 1,286 | 1,181
Assets | 4,984 |  |  |  | 4,466 |  |  |  | 4,984 | 4,466 | 4,213
Reportable Geographical Components | North America |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 6,763 | 6,067 | 5,838
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 1,094 | 1,080 | 973
Assets | 3,832 |  |  |  | 3,236 |  |  |  | 3,832 | 3,236 | 3,029
Reportable Geographical Components | Foreign Locations [Member] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,596 | 1,575 | 1,523
Operating Profit (Loss) |  |  |  |  |  |  |  |  | 197 | 206 | 208
Assets | 1,152 |  |  |  | 1,230 |  |  |  | 1,152 | 1,230 | 1,184
Corporate, Non-Segment |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |
General corporate expense, net |  |  |  |  |  |  |  |  | (80) | (92) | (94)
Assets | $ 409 |  |  |  | $ 1,068 |  |  |  | $ 409 | $ 1,068 | $ 951

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