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v3.21.1

Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 1,970 | $ 1,581 |
Contract with customer, asset, gross, current | 2 |  | $ 2
Contract with customer, liability | 27 |  | 62
Performance obligation satisfied in previous period | 1 | 3 |
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
Financing Receivable, Allowance for Credit Loss, Asset Held-for-Sale | 1 |  | 0
Balance at end of period | 7 |  | $ 7
Plumbing Products (A) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,249 | 955 |
Decorative Architectural Products |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 721 | 626 |
North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,529 | 1,258 |
North America | Plumbing Products (A) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 808 | 632 |
North America | Decorative Architectural Products |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 721 | 626 |
International, principally Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 441 | 323 |
International, principally Europe | Plumbing Products (A) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 441 | 323 |
International, principally Europe | Decorative Architectural Products |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 0 | $ 0 |

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