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v3.21.2

Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | $ 2,179 | $ 1,764 | $ 4,149 | $ 3,345 |
Contract with customer, asset, gross, current | 1 |  | 1 |  | $ 2
Contract with customer, liability | 24 |  | 24 |  | 62
Contract with customer, liability, revenue recognized | 1 | 3 |  |  |
Performance obligation satisfied in previous period | 3 | 2 | 4 | 5 |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Balance at January 1 |  |  | 7 | 5 | 5
Provision for expected credit losses during the period |  |  | 1 |  | 3
Write-offs charged against the allowance |  |  | (1) |  | (2)
Recoveries of amounts previously written off |  |  | 1 |  | 1
Other |  |  | 1 |  | 0
Balance at end of period | 7 |  | 7 |  | $ 7
Hüppe |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Other |  |  | 1 |  |
Plumbing Products (A) |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | 1,329 | 868 | 2,578 | 1,823 |
Decorative Architectural Products |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | 850 | 896 | 1,571 | 1,522 |
North America |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | 1,717 | 1,480 | 3,246 | 2,738 |
North America | Plumbing Products (A) |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | 867 | 584 | 1,675 | 1,216 |
North America | Decorative Architectural Products |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | 850 | 896 | 1,571 | 1,522 |
International, principally Europe |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | 462 | 284 | 903 | 607 |
International, principally Europe | Plumbing Products (A) |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | 462 | 284 | 903 | 607 |
International, principally Europe | Decorative Architectural Products |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Net sales | $ 0 | $ 0 | $ 0 | $ 0 |

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