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Restructuring Charges (Estimated Restructuring Costs) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs incurred during period |  |  | $ 3 | $ 8 |
2020 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs | $ 6 |  |  |  |
Restructuring costs incurred during period | 5 | $ 0 | $ 2 | $ 6 |
Total expected costs remaining | 1 |  |  |  |
2019 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs |  |  |  |  | $ 4
Restructuring costs incurred during period | 0 | 0 |  |  | 3
Total expected costs remaining |  |  |  |  | 1
Operating Segments | Water Infrastructure | 2020 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs | 2 |  |  |  |
Restructuring costs incurred during period | 2 | 0 |  |  |
Total expected costs remaining | 0 |  |  |  |
Operating Segments | Water Infrastructure | 2019 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs |  |  |  |  | 3
Restructuring costs incurred during period | 0 | 0 |  |  | 3
Total expected costs remaining |  |  |  |  | 0
Operating Segments | Applied Water | 2020 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs | 1 |  |  |  |
Restructuring costs incurred during period | 1 | 0 |  |  |
Total expected costs remaining | 0 |  |  |  |
Operating Segments | Applied Water | 2019 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs |  |  |  |  | 0
Restructuring costs incurred during period | 0 | 0 |  |  | 0
Total expected costs remaining |  |  |  |  | 0
Operating Segments | Measurement & Control Solutions | 2020 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs | 3 |  |  |  |
Restructuring costs incurred during period | 2 | 0 |  |  |
Total expected costs remaining | 1 |  |  |  |
Operating Segments | Measurement & Control Solutions | 2019 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs |  |  |  |  | 1
Restructuring costs incurred during period | 0 | 0 |  |  | 0
Total expected costs remaining |  |  |  |  | 1
Corporate | 2020 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs | 0 |  |  |  |
Restructuring costs incurred during period | 0 | 0 |  |  |
Total expected costs remaining | 0 |  |  |  |
Corporate | 2019 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total expected costs |  |  |  |  | 0
Restructuring costs incurred during period | $ 0 | $ 0 |  |  | 0
Total expected costs remaining |  |  |  |  | $ 0

X
- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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