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v3.19.3

Other Deductions, Net (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Other deductions, net [Line Items] |  |  |
Amortization of intangibles (intellectual property and customer relationships) | $ 238 | $ 211 | $ 136
Restructuring costs | 95 | 65 | 78
Other | (8) | 61 | 110
Other deductions, net | 325 | 337 | 324
Increase (decrease) in intangibles amortization from acquisitions | 46 |  |
Acquisition and divestiture related costs | (29) | 18 |
Change in pension expense (income) | (42) | $ (78) |
Change in gain (loss) from foreign currency transactions | 13 |  |
Pentair's Valves & Controls [Member] |  |  |
Other deductions, net [Line Items] |  |  |
Restructuring costs |  |  | $ 25
Order or Production Backlog [Member] | Pentair's Valves & Controls [Member] |  |  |
Other deductions, net [Line Items] |  |  |
Amortization of intangibles (intellectual property and customer relationships) | $ 19 |  |

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