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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 1,074 | $ 1,178
Lease Revenue | 49 | 59
Total | 1,123 | 1,237
Water Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Total | 438 | 482
Water Infrastructure | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 121 | 133
Water Infrastructure | Europe |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 157 | 160
Water Infrastructure | Asia Pacific |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 59 | 74
Water Infrastructure | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 52 | 56
Water Infrastructure | Transport |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 318 | 346
Water Infrastructure | Treatment |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 71 | 77
Applied Water |  |
Disaggregation of Revenue [Line Items] |  |
Total | 338 | 379
Applied Water | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 191 | 201
Applied Water | Europe |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 82 | 94
Applied Water | Asia Pacific |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 24 | 39
Applied Water | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 41 | 45
Applied Water | Building Services |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 187 | 213
Applied Water | Industrial Water |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 151 | 166
Measurement & Control Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Total | 347 | 376
Measurement & Control Solutions | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 221 | 236
Measurement & Control Solutions | Europe |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 74 | 72
Measurement & Control Solutions | Asia Pacific |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 22 | 31
Measurement & Control Solutions | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 30 | 37
Measurement & Control Solutions | Water |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 183 | 199
Measurement & Control Solutions | Energy |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 72 | 73
Measurement & Control Solutions | Software as a Service |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 21 | 24
Measurement & Control Solutions | Test |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 71 | $ 80

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