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Acquisitions (Details) € in Millions, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) | Mar. 31, 2021 EUR (€) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Jan. 04, 2021
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill, acquired during period | $ 35 |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | 0 |  |  |  | $ 24 |
Easy Sanitary Solutions B.V. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  |  |  | 24.90%
SmarTap |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire businesses |  |  |  | $ 24 |  |
Goodwill, acquired during period |  |  |  | 14 |  |
Finite-lived intangible assets acquired |  |  |  | $ 10 |  |
Weighted average useful life (in years) |  |  |  | 5 years |  |
Easy Sanitary Solutions B.V. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire businesses | 52 |  |  |  |  |
Goodwill, acquired during period | 35 |  |  |  |  |
Finite-lived intangible assets acquired | $ 32 |  |  |  |  |
Weighted average useful life (in years) | 10 years | 10 years |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  | 75.10%
Payments to Acquire Businesses, Net of Cash Acquired | $ 58 | € 47 |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred | $ 6 |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred, Payment Period | 2 years | 2 years |  |  |  |
Kraus USA Inc |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire businesses |  |  | $ 103 |  |  |
Goodwill, acquired during period |  |  | 20 |  |  |
Finite-lived intangible assets acquired |  |  | $ 49 |  |  |
Weighted average useful life (in years) |  |  | 10 years |  |  |
Payments for Asset Acquisition, Contingent |  |  | $ 50 |  |  |
Business Combination, Contingent Consideration, Liability |  |  | 8 |  |  |
Indefinite-lived Intangible Assets Acquired |  |  | 25 |  |  |
Decrease to goodwill | $ 1 |  |  |  |  |
Work Tools International Inc and Elder & Jenks LLC |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire businesses |  |  | 48 |  |  |
Goodwill, acquired during period |  |  | 7 |  |  |
Finite-lived intangible assets acquired |  |  | $ 27 |  |  |
Weighted average useful life (in years) |  |  | 12 years |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 53 |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  | $ 5 |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred, Payment Period |  |  | 18 months |  |  |
Indefinite-lived Intangible Assets Acquired |  |  | $ 7 |  |  |
Decrease to goodwill | $ 0 |  |  |  |  |

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